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5
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1 /*
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2 * SpanDSP - a series of DSP components for telephony
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3 *
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4 * v29rx.c - ITU V.29 modem receive part
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5 *
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6 * Written by Steve Underwood <steveu@coppice.org>
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7 *
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8 * Copyright (C) 2003 Steve Underwood
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9 *
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10 * All rights reserved.
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11 *
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12 * This program is free software; you can redistribute it and/or modify
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13 * it under the terms of the GNU General Public License version 2, as
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14 * published by the Free Software Foundation.
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15 *
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16 * This program is distributed in the hope that it will be useful,
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17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 * GNU General Public License for more details.
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20 *
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21 * You should have received a copy of the GNU General Public License
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22 * along with this program; if not, write to the Free Software
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23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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24 *
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25 * $Id: v29rx.c,v 1.100 2006/11/28 16:59:57 steveu Exp $
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26 */
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27
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28 /*! \file */
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29
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30 #ifdef HAVE_CONFIG_H
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31 #include <config.h>
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32 #endif
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33
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34 #include <inttypes.h>
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35 #include <string.h>
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36 #include <stdio.h>
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37 #include <stdlib.h>
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38 #if defined(HAVE_TGMATH_H)
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39 #include <tgmath.h>
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40 #endif
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41 #if defined(HAVE_MATH_H)
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42 #include <math.h>
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43 #endif
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44
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45 #include "spandsp/telephony.h"
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46 #include "spandsp/logging.h"
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47 #include "spandsp/complex.h"
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48 #include "spandsp/vector_float.h"
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49 #include "spandsp/complex_vector_float.h"
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50 #include "spandsp/async.h"
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51 #include "spandsp/power_meter.h"
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52 #include "spandsp/arctan2.h"
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53 #include "spandsp/dds.h"
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54 #include "spandsp/complex_filters.h"
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55
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56 #include "spandsp/v29rx.h"
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57
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58 #define CARRIER_NOMINAL_FREQ 1700.0f
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59 #define BAUD_RATE 2400
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60 #define EQUALIZER_DELTA 0.21f
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61
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62 /* Segments of the training sequence */
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63 #define V29_TRAINING_SEG_2_LEN 128
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64 #define V29_TRAINING_SEG_3_LEN 384
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65 #define V29_TRAINING_SEG_4_LEN 48
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66
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67 enum
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68 {
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69 TRAINING_STAGE_NORMAL_OPERATION = 0,
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70 TRAINING_STAGE_SYMBOL_ACQUISITION,
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71 TRAINING_STAGE_LOG_PHASE,
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72 TRAINING_STAGE_WAIT_FOR_CDCD,
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73 TRAINING_STAGE_TRAIN_ON_CDCD,
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74 TRAINING_STAGE_TRAIN_ON_CDCD_AND_TEST,
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75 TRAINING_STAGE_TEST_ONES,
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76 TRAINING_STAGE_PARKED
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77 };
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78
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79 static const complexf_t v29_constellation[16] =
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80 {
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81 { 3.0f, 0.0f}, /* 0deg low */
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82 { 1.0f, 1.0f}, /* 45deg low */
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83 { 0.0f, 3.0f}, /* 90deg low */
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84 {-1.0f, 1.0f}, /* 135deg low */
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85 {-3.0f, 0.0f}, /* 180deg low */
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86 {-1.0f, -1.0f}, /* 225deg low */
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87 { 0.0f, -3.0f}, /* 270deg low */
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88 { 1.0f, -1.0f}, /* 315deg low */
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89 { 5.0f, 0.0f}, /* 0deg high */
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90 { 3.0f, 3.0f}, /* 45deg high */
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91 { 0.0f, 5.0f}, /* 90deg high */
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92 {-3.0f, 3.0f}, /* 135deg high */
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93 {-5.0f, 0.0f}, /* 180deg high */
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94 {-3.0f, -3.0f}, /* 225deg high */
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95 { 0.0f, -5.0f}, /* 270deg high */
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96 { 3.0f, -3.0f} /* 315deg high */
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97 };
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98
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99 static const uint8_t space_map_9600[20][20] =
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100 {
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101 {13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11},
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102 {13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11},
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103 {13, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 4, 11, 11, 11, 11, 11, 11, 11},
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104 {13, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 4, 11, 11, 11, 11, 11, 11, 11},
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105 {13, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 4, 11, 11, 11, 11, 11, 11, 11},
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106 {13, 13, 13, 13, 13, 13, 13, 5, 4, 4, 4, 4, 3, 11, 11, 11, 11, 11, 11, 11},
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107 {14, 13, 13, 13, 13, 13, 5, 5, 5, 5, 3, 3, 3, 3, 11, 11, 11, 11, 11, 10},
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108 {14, 14, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 10, 10},
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109 {14, 14, 6, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 10, 10},
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110 {14, 14, 6, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 10, 10},
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111 {14, 14, 6, 6, 6, 6, 7, 7, 7, 7, 1, 1, 1, 1, 2, 2, 2, 2, 10, 10},
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112 {14, 14, 6, 6, 6, 6, 7, 7, 7, 7, 1, 1, 1, 1, 2, 2, 2, 2, 10, 10},
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113 {14, 14, 6, 6, 6, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 2, 2, 2, 10, 10},
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114 {14, 15, 15, 15, 15, 15, 7, 7, 7, 7, 1, 1, 1, 1, 9, 9, 9, 9, 9, 10},
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115 {15, 15, 15, 15, 15, 15, 15, 7, 0, 0, 0, 0, 1, 9, 9, 9, 9, 9, 9, 9},
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116 {15, 15, 15, 15, 15, 15, 15, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9},
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117 {15, 15, 15, 15, 15, 15, 15, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9},
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118 {15, 15, 15, 15, 15, 15, 15, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9},
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119 {15, 15, 15, 15, 15, 15, 15, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9},
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120 {15, 15, 15, 15, 15, 15, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9}
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121 };
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122
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123 /* Raised root cosine pulse shaping; Beta = 0.5; 4 symbols either
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124 side of the centre. We cannot simplify this by using only half
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125 the filter, as each variant are each skewed by n/PULSESHAPER_COEFF_SETS of a
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126 sample. Only one is symmetric. */
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127 #define PULSESHAPER_GAIN 10.00736638f
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128 #define PULSESHAPER_COEFF_SETS 48
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129 static const complexf_t pulseshaper[PULSESHAPER_COEFF_SETS][V29_RX_FILTER_STEPS] =
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130 {
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131 {
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132 {-0.0006054906f, -0.0076934875f}, /* Filter 0 */
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133 { 0.0036800486f, -0.0011957203f},
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134 {-0.0058580399f, -0.0095594523f},
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135 { 0.0088272477f, -0.0088272477f},
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136 {-0.0070156625f, -0.0042992035f},
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137 { 0.0051634535f, -0.0158914757f},
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138 {-0.0145681539f, -0.0011465386f},
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139 {-0.0064674675f, -0.0408339830f},
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140 {-0.0136664375f, 0.0056608238f},
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141 {-0.0772003348f, -0.1062571451f},
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142 { 0.0857393910f, -0.1003879288f},
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143 {-0.1385128868f, -0.0705758409f},
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144 { 0.1555698727f, -0.6479951549f},
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145 { 1.0773601675f, 0.0000000000f},
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146 { 0.2515047363f, 1.0475926203f},
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147 {-0.5937739316f, 0.3025429295f},
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148 {-0.1009610161f, -0.1182101618f},
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149 {-0.0775987390f, 0.1068055014f},
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150 {-0.1213433119f, -0.0502620455f},
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151 { 0.0023140483f, -0.0146103259f},
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152 {-0.0412155371f, 0.0032437331f},
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153 {-0.0045157276f, -0.0138979805f},
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154 {-0.0142470087f, 0.0087305782f},
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155 {-0.0058181901f, -0.0058181901f},
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156 {-0.0065226701f, 0.0106440302f},
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157 {-0.0106628561f, -0.0034645720f},
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158 {-0.0003035921f, 0.0038575039f},
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159 },
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160 {
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161 {-0.0003235976f, -0.0041116977f}, /* Filter 1 */
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162 { 0.0034317849f, -0.0011150545f},
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163 {-0.0059948336f, -0.0097826794f},
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164 { 0.0086437458f, -0.0086437458f},
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165 {-0.0074140419f, -0.0045433307f},
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166 { 0.0050851588f, -0.0156505094f},
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167 {-0.0154601145f, -0.0012167374f},
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168 {-0.0064469783f, -0.0407046190f},
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169 {-0.0156933045f, 0.0065003796f},
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170 {-0.0783633460f, -0.1078578927f},
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171 { 0.0839596331f, -0.0983041000f},
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172 {-0.1466635902f, -0.0747288317f},
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173 { 0.1581236518f, -0.6586324102f},
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174 { 1.0822215889f, 0.0000000000f},
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175 { 0.2503251863f, 1.0426794408f},
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176 {-0.5839878512f, 0.2975566724f},
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177 {-0.0950902426f, -0.1113363693f},
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178 {-0.0791302548f, 0.1089134521f},
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179 {-0.1194691818f, -0.0494857553f},
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180 { 0.0019760247f, -0.0124761291f},
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181 {-0.0413061980f, 0.0032508683f},
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182 {-0.0042392071f, -0.0130469379f},
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183 {-0.0144455612f, 0.0088522513f},
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184 {-0.0054839934f, -0.0054839934f},
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185 {-0.0066522258f, 0.0108554460f},
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186 {-0.0104075179f, -0.0033816075f},
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187 {-0.0003235976f, 0.0041116977f},
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188 },
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189 {
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190 {-0.0003431146f, -0.0043596842f}, /* Filter 2 */
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191 { 0.0031779221f, -0.0010325695f},
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192 {-0.0061279979f, -0.0099999837f},
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193 { 0.0084521727f, -0.0084521727f},
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194 {-0.0078074148f, -0.0047843899f},
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195 { 0.0050005298f, -0.0153900482f},
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196 {-0.0163511406f, -0.0012868627f},
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197 {-0.0064201364f, -0.0405351459f},
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198 {-0.0177497724f, 0.0073521965f},
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199 {-0.0794957450f, -0.1094165063f},
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200 { 0.0820917217f, -0.0961170567f},
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201 {-0.1549087286f, -0.0789299396f},
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202 { 0.1606663689f, -0.6692235895f},
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203 { 1.0868898157f, 0.0000000000f},
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204 { 0.2491014054f, 1.0375820265f},
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205 {-0.5741661901f, 0.2925522861f},
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206 {-0.0892910248f, -0.1045463576f},
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207 {-0.0805830641f, 0.1109130726f},
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208 {-0.1175509420f, -0.0486911944f},
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209 { 0.0016433282f, -0.0103755662f},
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210 {-0.0413575411f, 0.0032549091f},
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211 {-0.0039628985f, -0.0121965475f},
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212 {-0.0146266493f, 0.0089632222f},
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213 {-0.0051463192f, -0.0051463192f},
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214 {-0.0067756751f, 0.0110568969f},
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215 {-0.0101460989f, -0.0032966674f},
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216 {-0.0003431146f, 0.0043596842f},
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217 },
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218 {
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219 {-0.0003621305f, -0.0046013044f}, /* Filter 3 */
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220 { 0.0029186307f, -0.0009483206f},
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221 {-0.0062573914f, -0.0102111348f},
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222 { 0.0082526365f, -0.0082526365f},
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223 {-0.0081953754f, -0.0050221325f},
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224 { 0.0049095725f, -0.0151101104f},
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225 {-0.0172404079f, -0.0013568495f},
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226 {-0.0063868556f, -0.0403250190f},
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227 {-0.0198348595f, 0.0082158678f},
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228 {-0.0805962556f, -0.1109312291f},
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229 { 0.0801351139f, -0.0938261634f},
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230 {-0.1632463544f, -0.0831781721f},
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231 { 0.1631971552f, -0.6797650728f},
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232 { 1.0913630919f, 0.0000000000f},
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233 { 0.2478338529f, 1.0323022902f},
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234 {-0.5643122679f, 0.2875314620f},
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235 {-0.0835646644f, -0.0978416511f},
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236 {-0.0819577515f, 0.1128051674f},
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237 {-0.1155905906f, -0.0478791903f},
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238 { 0.0013161074f, -0.0083095754f},
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239 {-0.0413701808f, 0.0032559039f},
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240 {-0.0036870475f, -0.0113475654f},
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241 {-0.0147903020f, 0.0090635087f},
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242 {-0.0048055043f, -0.0048055043f},
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243 {-0.0068929555f, 0.0112482810f},
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244 {-0.0098788669f, -0.0032098384f},
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245 {-0.0003621305f, 0.0046013044f},
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246 },
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247 {
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248 {-0.0003806334f, -0.0048364061f}, /* Filter 4 */
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249 { 0.0026540877f, -0.0008623654f},
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250 {-0.0063828750f, -0.0104159053f},
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251 { 0.0080452535f, -0.0080452535f},
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252 {-0.0085775184f, -0.0052563101f},
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253 { 0.0048122983f, -0.0148107313f},
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254 {-0.0181270820f, -0.0014266323f},
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255 {-0.0063470532f, -0.0400737166f},
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256 {-0.0219475497f, 0.0090909727f},
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257 {-0.0816636012f, -0.1124003042f},
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258 { 0.0780893017f, -0.0914308250f},
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259 {-0.1716744668f, -0.0874725099f},
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260 { 0.1657151424f, -0.6902532446f},
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261 { 1.0956397332f, 0.0000000000f},
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262 { 0.2465230038f, 1.0268422107f},
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263 {-0.5544294025f, 0.2824958906f},
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264 {-0.0779124236f, -0.0912237273f},
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265 {-0.0832549311f, 0.1145905820f},
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266 {-0.1135901216f, -0.0470505689f},
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267 { 0.0009945051f, -0.0062790582f},
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268 {-0.0413447525f, 0.0032539026f},
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269 {-0.0034118961f, -0.0105007365f},
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270 {-0.0149365628f, 0.0091531374f},
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271 {-0.0044618854f, -0.0044618854f},
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272 {-0.0070040103f, 0.0114295060f},
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273 {-0.0096060925f, -0.0031212087f},
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274 {-0.0003806334f, 0.0048364061f},
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275 },
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276 {
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277 {-0.0003986119f, -0.0050648440f}, /* Filter 5 */
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278 { 0.0023844759f, -0.0007747632f},
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279 {-0.0065043116f, -0.0106140718f},
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280 { 0.0078301476f, -0.0078301476f},
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281 {-0.0089534403f, -0.0054866753f},
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282 { 0.0047087245f, -0.0144919637f},
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283 {-0.0190103194f, -0.0014961446f},
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284 {-0.0063006503f, -0.0397807405f},
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285 {-0.0240867927f, 0.0099770762f},
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286 {-0.0826965057f, -0.1138219754f},
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287 { 0.0759538132f, -0.0889304892f},
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288 {-0.1801910135f, -0.0918119071f},
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289 { 0.1682194641f, -0.7006844950f},
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290 { 1.0997181284f, 0.0000000000f},
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291 { 0.2451693490f, 1.0212038328f},
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292 {-0.5445209082f, 0.2774472605f},
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293 {-0.0723355236f, -0.0846940164f},
|
|
|
294 {-0.0844752467f, 0.1162702023f},
|
|
|
295 {-0.1115515226f, -0.0462061535f},
|
|
|
296 { 0.0006786580f, -0.0042848780f},
|
|
|
297 {-0.0412819110f, 0.0032489569f},
|
|
|
298 {-0.0031376826f, -0.0096567942f},
|
|
|
299 {-0.0150654901f, 0.0092321442f},
|
|
|
300 {-0.0041157984f, -0.0041157984f},
|
|
|
301 {-0.0071087889f, 0.0116004892f},
|
|
|
302 {-0.0093280490f, -0.0030308668f},
|
|
|
303 {-0.0003986119f, 0.0050648440f},
|
|
|
304 },
|
|
|
305 {
|
|
|
306 {-0.0004160550f, -0.0052864799f}, /* Filter 6 */
|
|
|
307 { 0.0021099840f, -0.0006855754f},
|
|
|
308 {-0.0066215668f, -0.0108054149f},
|
|
|
309 { 0.0076074506f, -0.0076074506f},
|
|
|
310 {-0.0093227386f, -0.0057129815f},
|
|
|
311 { 0.0045988736f, -0.0141538775f},
|
|
|
312 {-0.0198892682f, -0.0015653194f},
|
|
|
313 {-0.0062475719f, -0.0394456164f},
|
|
|
314 {-0.0262515049f, 0.0108737293f},
|
|
|
315 {-0.0836936943f, -0.1151944878f},
|
|
|
316 { 0.0737282126f, -0.0863246457f},
|
|
|
317 {-0.1887938905f, -0.0961952919f},
|
|
|
318 { 0.1707092554f, -0.7110552220f},
|
|
|
319 { 1.1035967397f, 0.0000000000f},
|
|
|
320 { 0.2437733949f, 1.0153892656f},
|
|
|
321 {-0.5345900940f, 0.2723872580f},
|
|
|
322 {-0.0668351454f, -0.0782539010f},
|
|
|
323 {-0.0856193708f, 0.1178449541f},
|
|
|
324 {-0.1094767749f, -0.0453467649f},
|
|
|
325 { 0.0003686970f, -0.0023278610f},
|
|
|
326 {-0.0411823301f, 0.0032411197f},
|
|
|
327 {-0.0028646414f, -0.0088164597f},
|
|
|
328 {-0.0151771562f, 0.0093005733f},
|
|
|
329 {-0.0037675783f, -0.0037675783f},
|
|
|
330 {-0.0072072465f, 0.0117611574f},
|
|
|
331 {-0.0090450120f, -0.0029389025f},
|
|
|
332 {-0.0004160550f, 0.0052864799f},
|
|
|
333 },
|
|
|
334 {
|
|
|
335 {-0.0004329524f, -0.0055011823f}, /* Filter 7 */
|
|
|
336 { 0.0018308065f, -0.0005948651f},
|
|
|
337 {-0.0067345088f, -0.0109897195f},
|
|
|
338 { 0.0073773020f, -0.0073773020f},
|
|
|
339 {-0.0096850130f, -0.0059349836f},
|
|
|
340 { 0.0044827743f, -0.0137965606f},
|
|
|
341 {-0.0207630684f, -0.0016340889f},
|
|
|
342 {-0.0061877467f, -0.0390678953f},
|
|
|
343 {-0.0284405684f, 0.0117804691f},
|
|
|
344 {-0.0846538939f, -0.1165160891f},
|
|
|
345 { 0.0714121011f, -0.0836128276f},
|
|
|
346 {-0.1974809435f, -0.1006215665f},
|
|
|
347 { 0.1731836536f, -0.7213618325f},
|
|
|
348 { 1.1072741035f, 0.0000000000f},
|
|
|
349 { 0.2423356631f, 1.0094006816f},
|
|
|
350 {-0.5246402627f, 0.2673175657f},
|
|
|
351 {-0.0614124285f, -0.0719047153f},
|
|
|
352 {-0.0866880040f, 0.1193158015f},
|
|
|
353 {-0.1073678519f, -0.0444732204f},
|
|
|
354 { 0.0000647469f, -0.0004087959f},
|
|
|
355 {-0.0410467015f, 0.0032304455f},
|
|
|
356 {-0.0025930028f, -0.0079804420f},
|
|
|
357 {-0.0152716480f, 0.0093584780f},
|
|
|
358 {-0.0034175587f, -0.0034175587f},
|
|
|
359 {-0.0072993441f, 0.0119114470f},
|
|
|
360 {-0.0087572594f, -0.0028454060f},
|
|
|
361 {-0.0004329524f, 0.0055011823f},
|
|
|
362 },
|
|
|
363 {
|
|
|
364 {-0.0004492944f, -0.0057088271f}, /* Filter 8 */
|
|
|
365 { 0.0015471436f, -0.0005026974f},
|
|
|
366 {-0.0068430082f, -0.0111667745f},
|
|
|
367 { 0.0071398493f, -0.0071398493f},
|
|
|
368 {-0.0100398656f, -0.0061524375f},
|
|
|
369 { 0.0043604608f, -0.0134201184f},
|
|
|
370 {-0.0216308523f, -0.0017023850f},
|
|
|
371 {-0.0061211077f, -0.0386471532f},
|
|
|
372 {-0.0306528326f, 0.0126968190f},
|
|
|
373 {-0.0855758340f, -0.1177850307f},
|
|
|
374 { 0.0690051173f, -0.0807946117f},
|
|
|
375 {-0.2062499680f, -0.1050896077f},
|
|
|
376 { 0.1756417989f, -0.7316007446f},
|
|
|
377 { 1.1107488316f, 0.0000000000f},
|
|
|
378 { 0.2408566902f, 1.0032403162f},
|
|
|
379 {-0.5146747091f, 0.2622398626f},
|
|
|
380 {-0.0560684714f, -0.0656477454f},
|
|
|
381 {-0.0876818748f, 0.1206837473f},
|
|
|
382 {-0.1052267179f, -0.0435863337f},
|
|
|
383 {-0.0002330732f, 0.0014715664f},
|
|
|
384 {-0.0408757346f, 0.0032169901f},
|
|
|
385 {-0.0023229930f, -0.0071494373f},
|
|
|
386 {-0.0153490660f, 0.0094059197f},
|
|
|
387 {-0.0030660718f, -0.0030660718f},
|
|
|
388 {-0.0073850485f, 0.0120513039f},
|
|
|
389 {-0.0084650709f, -0.0027504683f},
|
|
|
390 {-0.0004492944f, 0.0057088271f},
|
|
|
391 },
|
|
|
392 {
|
|
|
393 {-0.0004650718f, -0.0059092972f}, /* Filter 9 */
|
|
|
394 { 0.0012592008f, -0.0004091391f},
|
|
|
395 {-0.0069469389f, -0.0113363740f},
|
|
|
396 { 0.0068952472f, -0.0068952472f},
|
|
|
397 {-0.0103869007f, -0.0063651009f},
|
|
|
398 { 0.0042319732f, -0.0130246742f},
|
|
|
399 {-0.0224917457f, -0.0017701388f},
|
|
|
400 {-0.0060475918f, -0.0381829922f},
|
|
|
401 {-0.0328871136f, 0.0136222885f},
|
|
|
402 {-0.0864582472f, -0.1189995684f},
|
|
|
403 { 0.0665069376f, -0.0778696190f},
|
|
|
404 {-0.2150987105f, -0.1095982672f},
|
|
|
405 { 0.1780828343f, -0.7417683886f},
|
|
|
406 { 1.1140196110f, 0.0000000000f},
|
|
|
407 { 0.2393370276f, 0.9969104659f},
|
|
|
408 {-0.5046967186f, 0.2571558224f},
|
|
|
409 {-0.0508043306f, -0.0594842284f},
|
|
|
410 {-0.0886017384f, 0.1219498309f},
|
|
|
411 {-0.1030553278f, -0.0426869144f},
|
|
|
412 {-0.0005246505f, 0.0033125128f},
|
|
|
413 {-0.0406701557f, 0.0032008107f},
|
|
|
414 {-0.0020548339f, -0.0063241284f},
|
|
|
415 {-0.0154095242f, 0.0094429686f},
|
|
|
416 {-0.0027134480f, -0.0027134480f},
|
|
|
417 {-0.0074643325f, 0.0121806836f},
|
|
|
418 {-0.0081687281f, -0.0026541806f},
|
|
|
419 {-0.0004650718f, 0.0059092972f},
|
|
|
420 },
|
|
|
421 {
|
|
|
422 {-0.0004802758f, -0.0061024829f}, /* Filter 10 */
|
|
|
423 { 0.0009671895f, -0.0003142589f},
|
|
|
424 {-0.0070461774f, -0.0114983165f},
|
|
|
425 { 0.0066436583f, -0.0066436583f},
|
|
|
426 {-0.0107257260f, -0.0065727333f},
|
|
|
427 { 0.0040973574f, -0.0126103693f},
|
|
|
428 {-0.0233448674f, -0.0018372809f},
|
|
|
429 {-0.0059671403f, -0.0376750413f},
|
|
|
430 {-0.0351421949f, 0.0145563737f},
|
|
|
431 {-0.0872998705f, -0.1201579635f},
|
|
|
432 { 0.0639172763f, -0.0748375152f},
|
|
|
433 {-0.2240248692f, -0.1141463722f},
|
|
|
434 { 0.1805059061f, -0.7518612089f},
|
|
|
435 { 1.1170852055f, 0.0000000000f},
|
|
|
436 { 0.2377772412f, 0.9904134878f},
|
|
|
437 {-0.4947095655f, 0.2520671138f},
|
|
|
438 {-0.0456210210f, -0.0534153526f},
|
|
|
439 {-0.0894483767f, 0.1231151286f},
|
|
|
440 {-0.1008556255f, -0.0417757679f},
|
|
|
441 {-0.0008098779f, 0.0051133675f},
|
|
|
442 {-0.0404307068f, 0.0031819656f},
|
|
|
443 {-0.0017887430f, -0.0055051847f},
|
|
|
444 {-0.0154531504f, 0.0094697028f},
|
|
|
445 {-0.0023600156f, -0.0023600156f},
|
|
|
446 {-0.0075371745f, 0.0122995509f},
|
|
|
447 {-0.0078685137f, -0.0025566351f},
|
|
|
448 {-0.0004802758f, 0.0061024829f},
|
|
|
449 },
|
|
|
450 {
|
|
|
451 {-0.0004948985f, -0.0062882817f}, /* Filter 11 */
|
|
|
452 { 0.0006713257f, -0.0002181269f},
|
|
|
453 {-0.0071406035f, -0.0116524059f},
|
|
|
454 { 0.0063852527f, -0.0063852526f},
|
|
|
455 {-0.0110559525f, -0.0067750964f},
|
|
|
456 { 0.0039566651f, -0.0121773631f},
|
|
|
457 {-0.0241893313f, -0.0019037417f},
|
|
|
458 {-0.0058796987f, -0.0371229566f},
|
|
|
459 {-0.0374168281f, 0.0154985577f},
|
|
|
460 {-0.0880994453f, -0.1212584838f},
|
|
|
461 { 0.0612358868f, -0.0716980115f},
|
|
|
462 {-0.2330260947f, -0.1187327256f},
|
|
|
463 { 0.1829101645f, -0.7618756659f},
|
|
|
464 { 1.1199444556f, 0.0000000000f},
|
|
|
465 { 0.2361779109f, 0.9837517978f},
|
|
|
466 {-0.4847165122f, 0.2469753988f},
|
|
|
467 {-0.0405195152f, -0.0474422567f},
|
|
|
468 {-0.0902225974f, 0.1241807520f},
|
|
|
469 {-0.0986295432f, -0.0408536944f},
|
|
|
470 {-0.0010886543f, 0.0068734926f},
|
|
|
471 {-0.0401581456f, 0.0031605146f},
|
|
|
472 {-0.0015249332f, -0.0046932617f},
|
|
|
473 {-0.0154800853f, 0.0094862085f},
|
|
|
474 {-0.0020061005f, -0.0020061005f},
|
|
|
475 {-0.0076035587f, 0.0124078801f},
|
|
|
476 {-0.0075647115f, -0.0024579238f},
|
|
|
477 {-0.0004948985f, 0.0062882817f},
|
|
|
478 },
|
|
|
479 {
|
|
|
480 {-0.0005089323f, -0.0064665981f}, /* Filter 12 */
|
|
|
481 { 0.0003718310f, -0.0001208152f},
|
|
|
482 {-0.0072301003f, -0.0117984513f},
|
|
|
483 { 0.0061202077f, -0.0061202077f},
|
|
|
484 {-0.0113771948f, -0.0069719540f},
|
|
|
485 { 0.0038099540f, -0.0117258328f},
|
|
|
486 {-0.0250242456f, -0.0019694508f},
|
|
|
487 {-0.0057852169f, -0.0365264219f},
|
|
|
488 {-0.0397097323f, 0.0164483097f},
|
|
|
489 {-0.0888557186f, -0.1222994047f},
|
|
|
490 { 0.0584625613f, -0.0684508645f},
|
|
|
491 {-0.2420999907f, -0.1233561066f},
|
|
|
492 { 0.1852947639f, -0.7718082372f},
|
|
|
493 { 1.1225962793f, 0.0000000000f},
|
|
|
494 { 0.2345396308f, 0.9769278702f},
|
|
|
495 {-0.4747208072f, 0.2418823327f},
|
|
|
496 {-0.0355007435f, -0.0415660302f},
|
|
|
497 {-0.0909252334f, 0.1251478474f},
|
|
|
498 {-0.0963790005f, -0.0399214891f},
|
|
|
499 {-0.0013608847f, 0.0085922877f},
|
|
|
500 {-0.0398532442f, 0.0031365183f},
|
|
|
501 {-0.0012636128f, -0.0038890004f},
|
|
|
502 {-0.0154904827f, 0.0094925800f},
|
|
|
503 {-0.0016520262f, -0.0016520262f},
|
|
|
504 {-0.0076634750f, 0.0125056546f},
|
|
|
505 {-0.0072576065f, -0.0023581393f},
|
|
|
506 {-0.0005089323f, 0.0064665981f},
|
|
|
507 },
|
|
|
508 {
|
|
|
509 {-0.0005223703f, -0.0066373443f}, /* Filter 13 */
|
|
|
510 { 0.0000689315f, -0.0000223972f},
|
|
|
511 {-0.0073145539f, -0.0119362671f},
|
|
|
512 { 0.0058487082f, -0.0058487082f},
|
|
|
513 {-0.0116890717f, -0.0071630723f},
|
|
|
514 { 0.0036572876f, -0.0112559738f},
|
|
|
515 {-0.0258487141f, -0.0020343379f},
|
|
|
516 {-0.0056836493f, -0.0358851497f},
|
|
|
517 {-0.0420195954f, 0.0174050863f},
|
|
|
518 {-0.0895674434f, -0.1232790098f},
|
|
|
519 { 0.0555971318f, -0.0650958776f},
|
|
|
520 {-0.2512441154f, -0.1280152709f},
|
|
|
521 { 0.1876588631f, -0.7816554194f},
|
|
|
522 { 1.1250396727f, 0.0000000000f},
|
|
|
523 { 0.2328630086f, 0.9699442360f},
|
|
|
524 {-0.4647256838f, 0.2367895630f},
|
|
|
525 {-0.0305655940f, -0.0357877124f},
|
|
|
526 {-0.0915571420f, 0.1260175949f},
|
|
|
527 {-0.0941059032f, -0.0389799414f},
|
|
|
528 {-0.0016264798f, 0.0102691896f},
|
|
|
529 {-0.0395167881f, 0.0031100387f},
|
|
|
530 {-0.0010049855f, -0.0030930272f},
|
|
|
531 {-0.0154845091f, 0.0094889194f},
|
|
|
532 {-0.0012981133f, -0.0012981133f},
|
|
|
533 {-0.0077169192f, 0.0125928676f},
|
|
|
534 {-0.0069474841f, -0.0022573744f},
|
|
|
535 {-0.0005223703f, 0.0066373443f},
|
|
|
536 },
|
|
|
537 {
|
|
|
538 {-0.0005352062f, -0.0068004397f}, /* Filter 14 */
|
|
|
539 {-0.0002371416f, 0.0000770520f},
|
|
|
540 {-0.0073938544f, -0.0120656738f},
|
|
|
541 { 0.0055709463f, -0.0055709463f},
|
|
|
542 {-0.0119912063f, -0.0073482207f},
|
|
|
543 { 0.0034987353f, -0.0107680002f},
|
|
|
544 {-0.0266618369f, -0.0020983321f},
|
|
|
545 {-0.0055749551f, -0.0351988812f},
|
|
|
546 {-0.0443450744f, 0.0183683312f},
|
|
|
547 {-0.0902333798f, -0.1241955926f},
|
|
|
548 { 0.0526394697f, -0.0616329003f},
|
|
|
549 {-0.2604559819f, -0.1327089513f},
|
|
|
550 { 0.1900016262f, -0.7914137299f},
|
|
|
551 { 1.1272737104f, 0.0000000000f},
|
|
|
552 { 0.2311486652f, 0.9628034819f},
|
|
|
553 {-0.4547343588f, 0.2316987286f},
|
|
|
554 {-0.0257149117f, -0.0301082932f},
|
|
|
555 {-0.0921192046f, 0.1267912077f},
|
|
|
556 {-0.0918121426f, -0.0380298346f},
|
|
|
557 {-0.0018853566f, 0.0119036728f},
|
|
|
558 {-0.0391495767f, 0.0030811385f},
|
|
|
559 {-0.0007492498f, -0.0023059539f},
|
|
|
560 {-0.0154623431f, 0.0094753361f},
|
|
|
561 {-0.0009446795f, -0.0009446795f},
|
|
|
562 {-0.0077638924f, 0.0126695210f},
|
|
|
563 {-0.0066346301f, -0.0021557220f},
|
|
|
564 {-0.0005352062f, 0.0068004397f},
|
|
|
565 },
|
|
|
566 {
|
|
|
567 {-0.0005474342f, -0.0069558110f}, /* Filter 15 */
|
|
|
568 {-0.0005461525f, 0.0001774557f},
|
|
|
569 {-0.0074678951f, -0.0121864973f},
|
|
|
570 { 0.0052871211f, -0.0052871211f},
|
|
|
571 {-0.0122832268f, -0.0075271711f},
|
|
|
572 { 0.0033343726f, -0.0102621437f},
|
|
|
573 {-0.0274627107f, -0.0021613622f},
|
|
|
574 {-0.0054590979f, -0.0344673874f},
|
|
|
575 {-0.0466847952f, 0.0193374753f},
|
|
|
576 {-0.0908522954f, -0.1250474569f},
|
|
|
577 { 0.0495894870f, -0.0580618293f},
|
|
|
578 {-0.2697330596f, -0.1374358585f},
|
|
|
579 { 0.1923222223f, -0.8010797080f},
|
|
|
580 { 1.1292975460f, 0.0000000000f},
|
|
|
581 { 0.2293972347f, 0.9555082489f},
|
|
|
582 {-0.4447500311f, 0.2266114595f},
|
|
|
583 {-0.0209494991f, -0.0245287119f},
|
|
|
584 {-0.0926123259f, 0.1274699310f},
|
|
|
585 {-0.0894995944f, -0.0370719458f},
|
|
|
586 {-0.0021374375f, 0.0134952491f},
|
|
|
587 {-0.0387524213f, 0.0030498817f},
|
|
|
588 {-0.0004965997f, -0.0015283766f},
|
|
|
589 {-0.0154241758f, 0.0094519471f},
|
|
|
590 {-0.0005920390f, -0.0005920390f},
|
|
|
591 {-0.0078044017f, 0.0127356261f},
|
|
|
592 {-0.0063193305f, -0.0020532749f},
|
|
|
593 {-0.0005474342f, 0.0069558110f},
|
|
|
594 },
|
|
|
595 {
|
|
|
596 {-0.0005590491f, -0.0071033921f}, /* Filter 16 */
|
|
|
597 {-0.0008578611f, 0.0002787360f},
|
|
|
598 {-0.0075365733f, -0.0122985698f},
|
|
|
599 { 0.0049974389f, -0.0049974388f},
|
|
|
600 {-0.0125647661f, -0.0076996986f},
|
|
|
601 { 0.0031642806f, -0.0097386544f},
|
|
|
602 {-0.0282504297f, -0.0022233570f},
|
|
|
603 {-0.0053360461f, -0.0336904691f},
|
|
|
604 {-0.0490373539f, 0.0203119370f},
|
|
|
605 {-0.0914229663f, -0.1258329180f},
|
|
|
606 { 0.0464471360f, -0.0543826090f},
|
|
|
607 {-0.2790727745f, -0.1421946809f},
|
|
|
608 { 0.1946198263f, -0.8106499175f},
|
|
|
609 { 1.1311104123f, 0.0000000000f},
|
|
|
610 { 0.2276093640f, 0.9480612314f},
|
|
|
611 {-0.4347758804f, 0.2215293759f},
|
|
|
612 {-0.0162701156f, -0.0190498578f},
|
|
|
613 {-0.0930374331f, 0.1280550409f},
|
|
|
614 {-0.0871701184f, -0.0361070452f},
|
|
|
615 {-0.0023826511f, 0.0150434671f},
|
|
|
616 {-0.0383261449f, 0.0030163330f},
|
|
|
617 {-0.0002472237f, -0.0007608763f},
|
|
|
618 {-0.0153702098f, 0.0094188767f},
|
|
|
619 {-0.0002405024f, -0.0002405024f},
|
|
|
620 {-0.0078384594f, 0.0127912031f},
|
|
|
621 {-0.0060018711f, -0.0019501261f},
|
|
|
622 {-0.0005590491f, 0.0071033921f},
|
|
|
623 },
|
|
|
624 {
|
|
|
625 {-0.0005700463f, -0.0072431248f}, /* Filter 17 */
|
|
|
626 {-0.0011720231f, 0.0003808134f},
|
|
|
627 {-0.0075997900f, -0.0124017301f},
|
|
|
628 { 0.0047021127f, -0.0047021127f},
|
|
|
629 {-0.0128354632f, -0.0078655819f},
|
|
|
630 { 0.0029885467f, -0.0091978010f},
|
|
|
631 {-0.0290240862f, -0.0022842451f},
|
|
|
632 {-0.0052057731f, -0.0328679578f},
|
|
|
633 {-0.0514013169f, 0.0212911226f},
|
|
|
634 {-0.0919441775f, -0.1265503037f},
|
|
|
635 { 0.0432124100f, -0.0505952315f},
|
|
|
636 {-0.2884725105f, -0.1469840856f},
|
|
|
637 { 0.1968936193f, -0.8201209469f},
|
|
|
638 { 1.1327116219f, 0.0000000000f},
|
|
|
639 { 0.2257857123f, 0.9404651753f},
|
|
|
640 {-0.4248150656f, 0.2164540873f},
|
|
|
641 {-0.0116774779f, -0.0136725700f},
|
|
|
642 {-0.0933954755f, 0.1285478440f},
|
|
|
643 {-0.0848255565f, -0.0351358959f},
|
|
|
644 {-0.0026209319f, 0.0165479125f},
|
|
|
645 {-0.0378715811f, 0.0029805581f},
|
|
|
646 {-0.0000013054f, -0.0000040177f},
|
|
|
647 {-0.0153006596f, 0.0093762563f},
|
|
|
648 { 0.0001096232f, 0.0001096232f},
|
|
|
649 {-0.0078660833f, 0.0128362814f},
|
|
|
650 {-0.0056825374f, -0.0018463683f},
|
|
|
651 {-0.0005700463f, 0.0072431248f},
|
|
|
652 },
|
|
|
653 {
|
|
|
654 {-0.0005804218f, -0.0073749578f}, /* Filter 18 */
|
|
|
655 {-0.0014883899f, 0.0004836072f},
|
|
|
656 {-0.0076574502f, -0.0124958231f},
|
|
|
657 { 0.0044013628f, -0.0044013628f},
|
|
|
658 {-0.0130949624f, -0.0080246033f},
|
|
|
659 { 0.0028072639f, -0.0086398699f},
|
|
|
660 {-0.0297827710f, -0.0023439549f},
|
|
|
661 {-0.0050682571f, -0.0319997159f},
|
|
|
662 {-0.0537752213f, 0.0222744260f},
|
|
|
663 {-0.0924147241f, -0.1271979554f},
|
|
|
664 { 0.0398853435f, -0.0466997371f},
|
|
|
665 {-0.2979296109f, -0.1518027189f},
|
|
|
666 { 0.1991427888f, -0.8294894121f},
|
|
|
667 { 1.1341005677f, 0.0000000000f},
|
|
|
668 { 0.2239269510f, 0.9327228772f},
|
|
|
669 {-0.4148707237f, 0.2113871920f},
|
|
|
670 {-0.0071722592f, -0.0083976366f},
|
|
|
671 {-0.0936874236f, 0.1289496760f},
|
|
|
672 {-0.0824677330f, -0.0341592535f},
|
|
|
673 {-0.0028522199f, 0.0180082079f},
|
|
|
674 {-0.0373895741f, 0.0029426233f},
|
|
|
675 { 0.0002409767f, 0.0007416500f},
|
|
|
676 {-0.0152157506f, 0.0093242240f},
|
|
|
677 { 0.0004580348f, 0.0004580348f},
|
|
|
678 {-0.0078872970f, 0.0128708989f},
|
|
|
679 {-0.0053616143f, -0.0017420941f},
|
|
|
680 {-0.0005804218f, 0.0073749578f},
|
|
|
681 },
|
|
|
682 {
|
|
|
683 {-0.0005901721f, -0.0074988473f}, /* Filter 19 */
|
|
|
684 {-0.0018067093f, 0.0005870354f},
|
|
|
685 {-0.0077094631f, -0.0125807004f},
|
|
|
686 { 0.0040954155f, -0.0040954155f},
|
|
|
687 {-0.0133429149f, -0.0081765487f},
|
|
|
688 { 0.0026205314f, -0.0080651662f},
|
|
|
689 {-0.0305255746f, -0.0024024148f},
|
|
|
690 {-0.0049234813f, -0.0310856377f},
|
|
|
691 {-0.0561575756f, 0.0232612294f},
|
|
|
692 {-0.0928334114f, -0.1277742292f},
|
|
|
693 { 0.0364660122f, -0.0426962145f},
|
|
|
694 {-0.3074413786f, -0.1566492066f},
|
|
|
695 { 0.2013665292f, -0.8387519577f},
|
|
|
696 { 1.1352767227f, 0.0000000000f},
|
|
|
697 { 0.2220337633f, 0.9248371830f},
|
|
|
698 {-0.4049459681f, 0.2063302764f},
|
|
|
699 {-0.0027550900f, -0.0032257959f},
|
|
|
700 {-0.0939142683f, 0.1292619011f},
|
|
|
701 {-0.0800984531f, -0.0331778656f},
|
|
|
702 {-0.0030764613f, 0.0194240122f},
|
|
|
703 {-0.0368809773f, 0.0029025959f},
|
|
|
704 { 0.0004794497f, 0.0014755944f},
|
|
|
705 {-0.0151157193f, 0.0092629247f},
|
|
|
706 { 0.0008044337f, 0.0008044337f},
|
|
|
707 {-0.0079021290f, 0.0128951026f},
|
|
|
708 {-0.0050393858f, -0.0016373957f},
|
|
|
709 {-0.0005901721f, 0.0074988473f},
|
|
|
710 },
|
|
|
711 {
|
|
|
712 {-0.0005992944f, -0.0076147568f}, /* Filter 20 */
|
|
|
713 {-0.0021267251f, 0.0006910149f},
|
|
|
714 {-0.0077557420f, -0.0126562207f},
|
|
|
715 { 0.0037845040f, -0.0037845040f},
|
|
|
716 {-0.0135789777f, -0.0083212083f},
|
|
|
717 { 0.0024284540f, -0.0074740128f},
|
|
|
718 {-0.0312515874f, -0.0024595533f},
|
|
|
719 {-0.0047714341f, -0.0301256492f},
|
|
|
720 {-0.0585468603f, 0.0242509035f},
|
|
|
721 {-0.0931990565f, -0.1282774964f},
|
|
|
722 { 0.0329545338f, -0.0385848015f},
|
|
|
723 {-0.3170050775f, -0.1615221547f},
|
|
|
724 { 0.2035640423f, -0.8479052583f},
|
|
|
725 { 1.1362396407f, 0.0000000000f},
|
|
|
726 { 0.2201068440f, 0.9168109865f},
|
|
|
727 {-0.3950438879f, 0.2012849146f},
|
|
|
728 { 0.0015734425f, 0.0018422645f},
|
|
|
729 {-0.0940770209f, 0.1294859108f},
|
|
|
730 {-0.0777195022f, -0.0321924719f},
|
|
|
731 {-0.0032936077f, 0.0207950209f},
|
|
|
732 {-0.0363466528f, 0.0028605436f},
|
|
|
733 { 0.0007139459f, 0.0021972995f},
|
|
|
734 {-0.0150008130f, 0.0091925101f},
|
|
|
735 { 0.0011485255f, 0.0011485255f},
|
|
|
736 {-0.0079106134f, 0.0129089479f},
|
|
|
737 {-0.0047161348f, -0.0015323651f},
|
|
|
738 {-0.0005992944f, 0.0076147568f},
|
|
|
739 },
|
|
|
740 {
|
|
|
741 {-0.0006077863f, -0.0077226571f}, /* Filter 21 */
|
|
|
742 {-0.0024481778f, 0.0007954612f},
|
|
|
743 {-0.0077962045f, -0.0127222494f},
|
|
|
744 { 0.0034688681f, -0.0034688681f},
|
|
|
745 {-0.0138028157f, -0.0084583763f},
|
|
|
746 { 0.0022311426f, -0.0068667508f},
|
|
|
747 {-0.0319599006f, -0.0025152987f},
|
|
|
748 {-0.0046121088f, -0.0291197091f},
|
|
|
749 {-0.0609415283f, 0.0252428075f},
|
|
|
750 {-0.0935104881f, -0.1287061452f},
|
|
|
751 { 0.0293510677f, -0.0343656849f},
|
|
|
752 {-0.3266179339f, -0.1664201496f},
|
|
|
753 { 0.2057345372f, -0.8569460203f},
|
|
|
754 { 1.1369889562f, 0.0000000000f},
|
|
|
755 { 0.2181468989f, 0.9086472276f},
|
|
|
756 {-0.3851675459f, 0.1962526670f},
|
|
|
757 { 0.0058127944f, 0.0068059078f},
|
|
|
758 {-0.0941767115f, 0.1296231230f},
|
|
|
759 {-0.0753326453f, -0.0312038034f},
|
|
|
760 {-0.0035036167f, 0.0221209652f},
|
|
|
761 {-0.0357874706f, 0.0028165350f},
|
|
|
762 { 0.0009443030f, 0.0029062658f},
|
|
|
763 {-0.0148712891f, 0.0091131377f},
|
|
|
764 { 0.0014900206f, 0.0014900206f},
|
|
|
765 {-0.0079127895f, 0.0129124989f},
|
|
|
766 {-0.0043921429f, -0.0014270937f},
|
|
|
767 {-0.0006077863f, 0.0077226571f},
|
|
|
768 },
|
|
|
769 {
|
|
|
770 {-0.0006156462f, -0.0078225266f}, /* Filter 22 */
|
|
|
771 {-0.0027708045f, 0.0009002890f},
|
|
|
772 {-0.0078307725f, -0.0127786593f},
|
|
|
773 { 0.0031487534f, -0.0031487534f},
|
|
|
774 {-0.0140141002f, -0.0085878517f},
|
|
|
775 { 0.0020287139f, -0.0062437395f},
|
|
|
776 {-0.0326496069f, -0.0025695798f},
|
|
|
777 {-0.0044455042f, -0.0280678087f},
|
|
|
778 {-0.0633400059f, 0.0262362895f},
|
|
|
779 {-0.0937665479f, -0.1290585813f},
|
|
|
780 { 0.0256558155f, -0.0300391005f},
|
|
|
781 {-0.3362771370f, -0.1713417594f},
|
|
|
782 { 0.2078772313f, -0.8658709834f},
|
|
|
783 { 1.1375243848f, 0.0000000000f},
|
|
|
784 { 0.2161546447f, 0.9003488919f},
|
|
|
785 {-0.3753199780f, 0.1912350805f},
|
|
|
786 { 0.0099624646f, 0.0116645474f},
|
|
|
787 {-0.0942143887f, 0.1296749813f},
|
|
|
788 {-0.0729396259f, -0.0302125823f},
|
|
|
789 {-0.0037064513f, 0.0234016123f},
|
|
|
790 {-0.0352043080f, 0.0027706391f},
|
|
|
791 { 0.0011703644f, 0.0036020111f},
|
|
|
792 {-0.0147274152f, 0.0090249716f},
|
|
|
793 { 0.0018286340f, 0.0018286340f},
|
|
|
794 {-0.0079087015f, 0.0129058279f},
|
|
|
795 {-0.0040676902f, -0.0013216727f},
|
|
|
796 {-0.0006156462f, 0.0078225266f},
|
|
|
797 },
|
|
|
798 {
|
|
|
799 {-0.0006228729f, -0.0079143505f}, /* Filter 23 */
|
|
|
800 {-0.0030943393f, 0.0010054118f},
|
|
|
801 {-0.0078593727f, -0.0128253306f},
|
|
|
802 { 0.0028244120f, -0.0028244120f},
|
|
|
803 {-0.0142125109f, -0.0087094379f},
|
|
|
804 { 0.0018212906f, -0.0056053560f},
|
|
|
805 {-0.0333198014f, -0.0026223252f},
|
|
|
806 {-0.0042716241f, -0.0269699732f},
|
|
|
807 {-0.0657406925f, 0.0272306864f},
|
|
|
808 {-0.0939660909f, -0.1293332287f},
|
|
|
809 { 0.0218690212f, -0.0256053340f},
|
|
|
810 {-0.3459798404f, -0.1762855337f},
|
|
|
811 { 0.2099913501f, -0.8746769223f},
|
|
|
812 { 1.1378457233f, 0.0000000000f},
|
|
|
813 { 0.2141308087f, 0.8919190081f},
|
|
|
814 {-0.3655041913f, 0.1862336874f},
|
|
|
815 { 0.0140219952f, 0.0164176470f},
|
|
|
816 {-0.0941911192f, 0.1296429536f},
|
|
|
817 {-0.0705421655f, -0.0292195216f},
|
|
|
818 {-0.0039020802f, 0.0246367649f},
|
|
|
819 {-0.0345980484f, 0.0027229255f},
|
|
|
820 { 0.0013919788f, 0.0042840703f},
|
|
|
821 {-0.0145694683f, 0.0089281816f},
|
|
|
822 { 0.0021640858f, 0.0021640858f},
|
|
|
823 {-0.0078983989f, 0.0128890156f},
|
|
|
824 {-0.0037430549f, -0.0012161922f},
|
|
|
825 {-0.0006228729f, 0.0079143505f},
|
|
|
826 },
|
|
|
827 {
|
|
|
828 {-0.0006294658f, -0.0079981214f}, /* Filter 24 */
|
|
|
829 {-0.0034185133f, 0.0011107423f},
|
|
|
830 {-0.0078819362f, -0.0128621510f},
|
|
|
831 { 0.0024961016f, -0.0024961016f},
|
|
|
832 {-0.0143977349f, -0.0088229433f},
|
|
|
833 { 0.0016090008f, -0.0049519954f},
|
|
|
834 {-0.0339695814f, -0.0026734640f},
|
|
|
835 {-0.0040904779f, -0.0258262610f},
|
|
|
836 {-0.0681419627f, 0.0282253251f},
|
|
|
837 {-0.0941079866f, -0.1295285313f},
|
|
|
838 { 0.0179909715f, -0.0210647211f},
|
|
|
839 {-0.3557231633f, -0.1812500047f},
|
|
|
840 { 0.2120761281f, -0.8833606476f},
|
|
|
841 { 1.1379528497f, 0.0000000000f},
|
|
|
842 { 0.2120761281f, 0.8833606476f},
|
|
|
843 {-0.3557231633f, 0.1812500047f},
|
|
|
844 { 0.0179909715f, 0.0210647211f},
|
|
|
845 {-0.0941079866f, 0.1295285313f},
|
|
|
846 {-0.0681419627f, -0.0282253251f},
|
|
|
847 {-0.0040904779f, 0.0258262610f},
|
|
|
848 {-0.0339695814f, 0.0026734640f},
|
|
|
849 { 0.0016090008f, 0.0049519954f},
|
|
|
850 {-0.0143977349f, 0.0088229433f},
|
|
|
851 { 0.0024961016f, 0.0024961016f},
|
|
|
852 {-0.0078819362f, 0.0128621510f},
|
|
|
853 {-0.0034185133f, -0.0011107423f},
|
|
|
854 {-0.0006294658f, 0.0079981214f},
|
|
|
855 },
|
|
|
856 {
|
|
|
857 {-0.0006354249f, -0.0080738393f}, /* Filter 25 */
|
|
|
858 {-0.0037430549f, 0.0012161922f},
|
|
|
859 {-0.0078983989f, -0.0128890156f},
|
|
|
860 { 0.0021640858f, -0.0021640858f},
|
|
|
861 {-0.0145694683f, -0.0089281816f},
|
|
|
862 { 0.0013919788f, -0.0042840703f},
|
|
|
863 {-0.0345980484f, -0.0027229255f},
|
|
|
864 {-0.0039020802f, -0.0246367649f},
|
|
|
865 {-0.0705421655f, 0.0292195216f},
|
|
|
866 {-0.0941911192f, -0.1296429536f},
|
|
|
867 { 0.0140219952f, -0.0164176470f},
|
|
|
868 {-0.3655041913f, -0.1862336874f},
|
|
|
869 { 0.2141308087f, -0.8919190081f},
|
|
|
870 { 1.1378457233f, 0.0000000000f},
|
|
|
871 { 0.2099913501f, 0.8746769223f},
|
|
|
872 {-0.3459798404f, 0.1762855337f},
|
|
|
873 { 0.0218690212f, 0.0256053340f},
|
|
|
874 {-0.0939660909f, 0.1293332287f},
|
|
|
875 {-0.0657406925f, -0.0272306864f},
|
|
|
876 {-0.0042716241f, 0.0269699732f},
|
|
|
877 {-0.0333198014f, 0.0026223252f},
|
|
|
878 { 0.0018212906f, 0.0056053560f},
|
|
|
879 {-0.0142125109f, 0.0087094379f},
|
|
|
880 { 0.0028244120f, 0.0028244120f},
|
|
|
881 {-0.0078593727f, 0.0128253306f},
|
|
|
882 {-0.0030943393f, -0.0010054118f},
|
|
|
883 {-0.0006354249f, 0.0080738393f},
|
|
|
884 },
|
|
|
885 {
|
|
|
886 {-0.0006407508f, -0.0081415109f}, /* Filter 26 */
|
|
|
887 {-0.0040676902f, 0.0013216727f},
|
|
|
888 {-0.0079087015f, -0.0129058279f},
|
|
|
889 { 0.0018286340f, -0.0018286340f},
|
|
|
890 {-0.0147274152f, -0.0090249716f},
|
|
|
891 { 0.0011703644f, -0.0036020111f},
|
|
|
892 {-0.0352043080f, -0.0027706391f},
|
|
|
893 {-0.0037064513f, -0.0234016123f},
|
|
|
894 {-0.0729396259f, 0.0302125823f},
|
|
|
895 {-0.0942143887f, -0.1296749813f},
|
|
|
896 { 0.0099624646f, -0.0116645474f},
|
|
|
897 {-0.3753199780f, -0.1912350805f},
|
|
|
898 { 0.2161546447f, -0.9003488919f},
|
|
|
899 { 1.1375243848f, 0.0000000000f},
|
|
|
900 { 0.2078772313f, 0.8658709834f},
|
|
|
901 {-0.3362771370f, 0.1713417594f},
|
|
|
902 { 0.0256558155f, 0.0300391005f},
|
|
|
903 {-0.0937665479f, 0.1290585813f},
|
|
|
904 {-0.0633400059f, -0.0262362895f},
|
|
|
905 {-0.0044455042f, 0.0280678087f},
|
|
|
906 {-0.0326496069f, 0.0025695798f},
|
|
|
907 { 0.0020287139f, 0.0062437395f},
|
|
|
908 {-0.0140141002f, 0.0085878517f},
|
|
|
909 { 0.0031487534f, 0.0031487534f},
|
|
|
910 {-0.0078307725f, 0.0127786593f},
|
|
|
911 {-0.0027708045f, -0.0009002890f},
|
|
|
912 {-0.0006407508f, 0.0081415109f},
|
|
|
913 },
|
|
|
914 {
|
|
|
915 {-0.0006454445f, -0.0082011502f}, /* Filter 27 */
|
|
|
916 {-0.0043921429f, 0.0014270937f},
|
|
|
917 {-0.0079127895f, -0.0129124989f},
|
|
|
918 { 0.0014900206f, -0.0014900206f},
|
|
|
919 {-0.0148712891f, -0.0091131377f},
|
|
|
920 { 0.0009443030f, -0.0029062658f},
|
|
|
921 {-0.0357874706f, -0.0028165350f},
|
|
|
922 {-0.0035036167f, -0.0221209652f},
|
|
|
923 {-0.0753326453f, 0.0312038034f},
|
|
|
924 {-0.0941767115f, -0.1296231230f},
|
|
|
925 { 0.0058127944f, -0.0068059078f},
|
|
|
926 {-0.3851675459f, -0.1962526670f},
|
|
|
927 { 0.2181468989f, -0.9086472276f},
|
|
|
928 { 1.1369889562f, 0.0000000000f},
|
|
|
929 { 0.2057345372f, 0.8569460203f},
|
|
|
930 {-0.3266179339f, 0.1664201496f},
|
|
|
931 { 0.0293510677f, 0.0343656849f},
|
|
|
932 {-0.0935104881f, 0.1287061452f},
|
|
|
933 {-0.0609415283f, -0.0252428075f},
|
|
|
934 {-0.0046121088f, 0.0291197091f},
|
|
|
935 {-0.0319599006f, 0.0025152987f},
|
|
|
936 { 0.0022311426f, 0.0068667508f},
|
|
|
937 {-0.0138028157f, 0.0084583763f},
|
|
|
938 { 0.0034688681f, 0.0034688681f},
|
|
|
939 {-0.0077962045f, 0.0127222494f},
|
|
|
940 {-0.0024481778f, -0.0007954612f},
|
|
|
941 {-0.0006454445f, 0.0082011502f},
|
|
|
942 },
|
|
|
943 {
|
|
|
944 {-0.0006495077f, -0.0082527783f}, /* Filter 28 */
|
|
|
945 {-0.0047161348f, 0.0015323651f},
|
|
|
946 {-0.0079106134f, -0.0129089479f},
|
|
|
947 { 0.0011485255f, -0.0011485255f},
|
|
|
948 {-0.0150008130f, -0.0091925101f},
|
|
|
949 { 0.0007139459f, -0.0021972995f},
|
|
|
950 {-0.0363466528f, -0.0028605436f},
|
|
|
951 {-0.0032936077f, -0.0207950209f},
|
|
|
952 {-0.0777195022f, 0.0321924719f},
|
|
|
953 {-0.0940770209f, -0.1294859108f},
|
|
|
954 { 0.0015734425f, -0.0018422645f},
|
|
|
955 {-0.3950438879f, -0.2012849146f},
|
|
|
956 { 0.2201068440f, -0.9168109865f},
|
|
|
957 { 1.1362396407f, 0.0000000000f},
|
|
|
958 { 0.2035640423f, 0.8479052583f},
|
|
|
959 {-0.3170050775f, 0.1615221547f},
|
|
|
960 { 0.0329545338f, 0.0385848015f},
|
|
|
961 {-0.0931990565f, 0.1282774964f},
|
|
|
962 {-0.0585468603f, -0.0242509035f},
|
|
|
963 {-0.0047714341f, 0.0301256492f},
|
|
|
964 {-0.0312515874f, 0.0024595533f},
|
|
|
965 { 0.0024284540f, 0.0074740128f},
|
|
|
966 {-0.0135789777f, 0.0083212083f},
|
|
|
967 { 0.0037845040f, 0.0037845040f},
|
|
|
968 {-0.0077557420f, 0.0126562207f},
|
|
|
969 {-0.0021267251f, -0.0006910149f},
|
|
|
970 {-0.0006495077f, 0.0082527783f},
|
|
|
971 },
|
|
|
972 {
|
|
|
973 {-0.0006529426f, -0.0082964229f}, /* Filter 29 */
|
|
|
974 {-0.0050393858f, 0.0016373957f},
|
|
|
975 {-0.0079021290f, -0.0128951026f},
|
|
|
976 { 0.0008044337f, -0.0008044337f},
|
|
|
977 {-0.0151157193f, -0.0092629247f},
|
|
|
978 { 0.0004794497f, -0.0014755944f},
|
|
|
979 {-0.0368809773f, -0.0029025959f},
|
|
|
980 {-0.0030764613f, -0.0194240122f},
|
|
|
981 {-0.0800984531f, 0.0331778656f},
|
|
|
982 {-0.0939142683f, -0.1292619011f},
|
|
|
983 {-0.0027550900f, 0.0032257959f},
|
|
|
984 {-0.4049459681f, -0.2063302764f},
|
|
|
985 { 0.2220337633f, -0.9248371830f},
|
|
|
986 { 1.1352767227f, 0.0000000000f},
|
|
|
987 { 0.2013665292f, 0.8387519577f},
|
|
|
988 {-0.3074413786f, 0.1566492066f},
|
|
|
989 { 0.0364660122f, 0.0426962145f},
|
|
|
990 {-0.0928334114f, 0.1277742292f},
|
|
|
991 {-0.0561575756f, -0.0232612294f},
|
|
|
992 {-0.0049234813f, 0.0310856377f},
|
|
|
993 {-0.0305255746f, 0.0024024148f},
|
|
|
994 { 0.0026205314f, 0.0080651662f},
|
|
|
995 {-0.0133429149f, 0.0081765487f},
|
|
|
996 { 0.0040954155f, 0.0040954155f},
|
|
|
997 {-0.0077094631f, 0.0125807004f},
|
|
|
998 {-0.0018067093f, -0.0005870354f},
|
|
|
999 {-0.0006529426f, 0.0082964229f},
|
|
|
1000 },
|
|
|
1001 {
|
|
|
1002 {-0.0006557520f, -0.0083321188f}, /* Filter 30 */
|
|
|
1003 {-0.0053616143f, 0.0017420941f},
|
|
|
1004 {-0.0078872970f, -0.0128708989f},
|
|
|
1005 { 0.0004580348f, -0.0004580348f},
|
|
|
1006 {-0.0152157506f, -0.0093242240f},
|
|
|
1007 { 0.0002409767f, -0.0007416500f},
|
|
|
1008 {-0.0373895741f, -0.0029426233f},
|
|
|
1009 {-0.0028522199f, -0.0180082079f},
|
|
|
1010 {-0.0824677330f, 0.0341592535f},
|
|
|
1011 {-0.0936874236f, -0.1289496760f},
|
|
|
1012 {-0.0071722592f, 0.0083976366f},
|
|
|
1013 {-0.4148707237f, -0.2113871920f},
|
|
|
1014 { 0.2239269510f, -0.9327228772f},
|
|
|
1015 { 1.1341005677f, 0.0000000000f},
|
|
|
1016 { 0.1991427888f, 0.8294894121f},
|
|
|
1017 {-0.2979296109f, 0.1518027189f},
|
|
|
1018 { 0.0398853435f, 0.0466997371f},
|
|
|
1019 {-0.0924147241f, 0.1271979554f},
|
|
|
1020 {-0.0537752213f, -0.0222744260f},
|
|
|
1021 {-0.0050682571f, 0.0319997159f},
|
|
|
1022 {-0.0297827710f, 0.0023439549f},
|
|
|
1023 { 0.0028072639f, 0.0086398699f},
|
|
|
1024 {-0.0130949624f, 0.0080246033f},
|
|
|
1025 { 0.0044013628f, 0.0044013628f},
|
|
|
1026 {-0.0076574502f, 0.0124958231f},
|
|
|
1027 {-0.0014883899f, -0.0004836072f},
|
|
|
1028 {-0.0006557520f, 0.0083321188f},
|
|
|
1029 },
|
|
|
1030 {
|
|
|
1031 {-0.0006579390f, -0.0083599075f}, /* Filter 31 */
|
|
|
1032 {-0.0056825374f, 0.0018463683f},
|
|
|
1033 {-0.0078660833f, -0.0128362814f},
|
|
|
1034 { 0.0001096232f, -0.0001096232f},
|
|
|
1035 {-0.0153006596f, -0.0093762563f},
|
|
|
1036 {-0.0000013054f, 0.0000040177f},
|
|
|
1037 {-0.0378715811f, -0.0029805581f},
|
|
|
1038 {-0.0026209319f, -0.0165479125f},
|
|
|
1039 {-0.0848255565f, 0.0351358959f},
|
|
|
1040 {-0.0933954755f, -0.1285478440f},
|
|
|
1041 {-0.0116774779f, 0.0136725700f},
|
|
|
1042 {-0.4248150656f, -0.2164540873f},
|
|
|
1043 { 0.2257857123f, -0.9404651753f},
|
|
|
1044 { 1.1327116219f, 0.0000000000f},
|
|
|
1045 { 0.1968936193f, 0.8201209469f},
|
|
|
1046 {-0.2884725105f, 0.1469840856f},
|
|
|
1047 { 0.0432124100f, 0.0505952315f},
|
|
|
1048 {-0.0919441775f, 0.1265503037f},
|
|
|
1049 {-0.0514013169f, -0.0212911226f},
|
|
|
1050 {-0.0052057731f, 0.0328679578f},
|
|
|
1051 {-0.0290240862f, 0.0022842451f},
|
|
|
1052 { 0.0029885467f, 0.0091978010f},
|
|
|
1053 {-0.0128354632f, 0.0078655819f},
|
|
|
1054 { 0.0047021127f, 0.0047021127f},
|
|
|
1055 {-0.0075997900f, 0.0124017301f},
|
|
|
1056 {-0.0011720231f, -0.0003808134f},
|
|
|
1057 {-0.0006579390f, 0.0083599075f},
|
|
|
1058 },
|
|
|
1059 {
|
|
|
1060 {-0.0006595075f, -0.0083798372f}, /* Filter 32 */
|
|
|
1061 {-0.0060018711f, 0.0019501261f},
|
|
|
1062 {-0.0078384594f, -0.0127912031f},
|
|
|
1063 {-0.0002405024f, 0.0002405024f},
|
|
|
1064 {-0.0153702098f, -0.0094188767f},
|
|
|
1065 {-0.0002472237f, 0.0007608763f},
|
|
|
1066 {-0.0383261449f, -0.0030163330f},
|
|
|
1067 {-0.0023826511f, -0.0150434671f},
|
|
|
1068 {-0.0871701184f, 0.0361070452f},
|
|
|
1069 {-0.0930374331f, -0.1280550409f},
|
|
|
1070 {-0.0162701156f, 0.0190498578f},
|
|
|
1071 {-0.4347758804f, -0.2215293759f},
|
|
|
1072 { 0.2276093640f, -0.9480612314f},
|
|
|
1073 { 1.1311104123f, 0.0000000000f},
|
|
|
1074 { 0.1946198263f, 0.8106499175f},
|
|
|
1075 {-0.2790727745f, 0.1421946809f},
|
|
|
1076 { 0.0464471360f, 0.0543826090f},
|
|
|
1077 {-0.0914229663f, 0.1258329180f},
|
|
|
1078 {-0.0490373539f, -0.0203119370f},
|
|
|
1079 {-0.0053360461f, 0.0336904691f},
|
|
|
1080 {-0.0282504297f, 0.0022233570f},
|
|
|
1081 { 0.0031642806f, 0.0097386544f},
|
|
|
1082 {-0.0125647661f, 0.0076996986f},
|
|
|
1083 { 0.0049974389f, 0.0049974388f},
|
|
|
1084 {-0.0075365733f, 0.0122985698f},
|
|
|
1085 {-0.0008578611f, -0.0002787360f},
|
|
|
1086 {-0.0006595075f, 0.0083798372f},
|
|
|
1087 },
|
|
|
1088 {
|
|
|
1089 {-0.0006604618f, -0.0083919627f}, /* Filter 33 */
|
|
|
1090 {-0.0063193305f, 0.0020532749f},
|
|
|
1091 {-0.0078044017f, -0.0127356261f},
|
|
|
1092 {-0.0005920390f, 0.0005920390f},
|
|
|
1093 {-0.0154241758f, -0.0094519471f},
|
|
|
1094 {-0.0004965997f, 0.0015283766f},
|
|
|
1095 {-0.0387524213f, -0.0030498817f},
|
|
|
1096 {-0.0021374375f, -0.0134952491f},
|
|
|
1097 {-0.0894995944f, 0.0370719458f},
|
|
|
1098 {-0.0926123259f, -0.1274699310f},
|
|
|
1099 {-0.0209494991f, 0.0245287119f},
|
|
|
1100 {-0.4447500311f, -0.2266114595f},
|
|
|
1101 { 0.2293972347f, -0.9555082489f},
|
|
|
1102 { 1.1292975460f, 0.0000000000f},
|
|
|
1103 { 0.1923222223f, 0.8010797080f},
|
|
|
1104 {-0.2697330596f, 0.1374358585f},
|
|
|
1105 { 0.0495894870f, 0.0580618293f},
|
|
|
1106 {-0.0908522954f, 0.1250474569f},
|
|
|
1107 {-0.0466847952f, -0.0193374753f},
|
|
|
1108 {-0.0054590979f, 0.0344673874f},
|
|
|
1109 {-0.0274627107f, 0.0021613622f},
|
|
|
1110 { 0.0033343726f, 0.0102621437f},
|
|
|
1111 {-0.0122832268f, 0.0075271711f},
|
|
|
1112 { 0.0052871211f, 0.0052871211f},
|
|
|
1113 {-0.0074678951f, 0.0121864973f},
|
|
|
1114 {-0.0005461525f, -0.0001774557f},
|
|
|
1115 {-0.0006604618f, 0.0083919627f},
|
|
|
1116 },
|
|
|
1117 {
|
|
|
1118 {-0.0006608067f, -0.0083963451f}, /* Filter 34 */
|
|
|
1119 {-0.0066346301f, 0.0021557220f},
|
|
|
1120 {-0.0077638924f, -0.0126695210f},
|
|
|
1121 {-0.0009446795f, 0.0009446795f},
|
|
|
1122 {-0.0154623431f, -0.0094753361f},
|
|
|
1123 {-0.0007492498f, 0.0023059539f},
|
|
|
1124 {-0.0391495767f, -0.0030811385f},
|
|
|
1125 {-0.0018853566f, -0.0119036728f},
|
|
|
1126 {-0.0918121426f, 0.0380298346f},
|
|
|
1127 {-0.0921192046f, -0.1267912077f},
|
|
|
1128 {-0.0257149117f, 0.0301082932f},
|
|
|
1129 {-0.4547343588f, -0.2316987286f},
|
|
|
1130 { 0.2311486652f, -0.9628034819f},
|
|
|
1131 { 1.1272737104f, 0.0000000000f},
|
|
|
1132 { 0.1900016262f, 0.7914137299f},
|
|
|
1133 {-0.2604559819f, 0.1327089513f},
|
|
|
1134 { 0.0526394697f, 0.0616329003f},
|
|
|
1135 {-0.0902333798f, 0.1241955926f},
|
|
|
1136 {-0.0443450744f, -0.0183683312f},
|
|
|
1137 {-0.0055749551f, 0.0351988812f},
|
|
|
1138 {-0.0266618369f, 0.0020983321f},
|
|
|
1139 { 0.0034987353f, 0.0107680002f},
|
|
|
1140 {-0.0119912063f, 0.0073482207f},
|
|
|
1141 { 0.0055709463f, 0.0055709463f},
|
|
|
1142 {-0.0073938544f, 0.0120656738f},
|
|
|
1143 {-0.0002371416f, -0.0000770520f},
|
|
|
1144 {-0.0006608067f, 0.0083963451f},
|
|
|
1145 },
|
|
|
1146 {
|
|
|
1147 {-0.0006605475f, -0.0083930522f}, /* Filter 35 */
|
|
|
1148 {-0.0069474841f, 0.0022573744f},
|
|
|
1149 {-0.0077169192f, -0.0125928676f},
|
|
|
1150 {-0.0012981133f, 0.0012981133f},
|
|
|
1151 {-0.0154845091f, -0.0094889194f},
|
|
|
1152 {-0.0010049855f, 0.0030930272f},
|
|
|
1153 {-0.0395167881f, -0.0031100387f},
|
|
|
1154 {-0.0016264798f, -0.0102691896f},
|
|
|
1155 {-0.0941059032f, 0.0389799414f},
|
|
|
1156 {-0.0915571420f, -0.1260175949f},
|
|
|
1157 {-0.0305655940f, 0.0357877124f},
|
|
|
1158 {-0.4647256838f, -0.2367895630f},
|
|
|
1159 { 0.2328630086f, -0.9699442360f},
|
|
|
1160 { 1.1250396727f, 0.0000000000f},
|
|
|
1161 { 0.1876588631f, 0.7816554194f},
|
|
|
1162 {-0.2512441154f, 0.1280152709f},
|
|
|
1163 { 0.0555971318f, 0.0650958776f},
|
|
|
1164 {-0.0895674434f, 0.1232790098f},
|
|
|
1165 {-0.0420195954f, -0.0174050863f},
|
|
|
1166 {-0.0056836493f, 0.0358851497f},
|
|
|
1167 {-0.0258487141f, 0.0020343379f},
|
|
|
1168 { 0.0036572876f, 0.0112559738f},
|
|
|
1169 {-0.0116890717f, 0.0071630723f},
|
|
|
1170 { 0.0058487082f, 0.0058487082f},
|
|
|
1171 {-0.0073145539f, 0.0119362671f},
|
|
|
1172 { 0.0000689315f, 0.0000223972f},
|
|
|
1173 {-0.0006605475f, 0.0083930522f},
|
|
|
1174 },
|
|
|
1175 {
|
|
|
1176 {-0.0006596901f, -0.0083821579f}, /* Filter 36 */
|
|
|
1177 {-0.0072576065f, 0.0023581393f},
|
|
|
1178 {-0.0076634750f, -0.0125056546f},
|
|
|
1179 {-0.0016520262f, 0.0016520262f},
|
|
|
1180 {-0.0154904827f, -0.0094925800f},
|
|
|
1181 {-0.0012636128f, 0.0038890004f},
|
|
|
1182 {-0.0398532442f, -0.0031365183f},
|
|
|
1183 {-0.0013608847f, -0.0085922877f},
|
|
|
1184 {-0.0963790005f, 0.0399214891f},
|
|
|
1185 {-0.0909252334f, -0.1251478474f},
|
|
|
1186 {-0.0355007435f, 0.0415660302f},
|
|
|
1187 {-0.4747208072f, -0.2418823327f},
|
|
|
1188 { 0.2345396308f, -0.9769278702f},
|
|
|
1189 { 1.1225962793f, 0.0000000000f},
|
|
|
1190 { 0.1852947639f, 0.7718082372f},
|
|
|
1191 {-0.2420999907f, 0.1233561066f},
|
|
|
1192 { 0.0584625613f, 0.0684508645f},
|
|
|
1193 {-0.0888557186f, 0.1222994047f},
|
|
|
1194 {-0.0397097323f, -0.0164483097f},
|
|
|
1195 {-0.0057852169f, 0.0365264219f},
|
|
|
1196 {-0.0250242456f, 0.0019694508f},
|
|
|
1197 { 0.0038099540f, 0.0117258328f},
|
|
|
1198 {-0.0113771948f, 0.0069719540f},
|
|
|
1199 { 0.0061202077f, 0.0061202077f},
|
|
|
1200 {-0.0072301003f, 0.0117984513f},
|
|
|
1201 { 0.0003718310f, 0.0001208152f},
|
|
|
1202 {-0.0006596901f, 0.0083821579f},
|
|
|
1203 },
|
|
|
1204 {
|
|
|
1205 {-0.0006582408f, -0.0083637423f}, /* Filter 37 */
|
|
|
1206 {-0.0075647115f, 0.0024579238f},
|
|
|
1207 {-0.0076035587f, -0.0124078801f},
|
|
|
1208 {-0.0020061005f, 0.0020061005f},
|
|
|
1209 {-0.0154800853f, -0.0094862085f},
|
|
|
1210 {-0.0015249332f, 0.0046932617f},
|
|
|
1211 {-0.0401581456f, -0.0031605146f},
|
|
|
1212 {-0.0010886543f, -0.0068734926f},
|
|
|
1213 {-0.0986295432f, 0.0408536944f},
|
|
|
1214 {-0.0902225974f, -0.1241807520f},
|
|
|
1215 {-0.0405195152f, 0.0474422567f},
|
|
|
1216 {-0.4847165122f, -0.2469753988f},
|
|
|
1217 { 0.2361779109f, -0.9837517978f},
|
|
|
1218 { 1.1199444556f, 0.0000000000f},
|
|
|
1219 { 0.1829101645f, 0.7618756659f},
|
|
|
1220 {-0.2330260947f, 0.1187327256f},
|
|
|
1221 { 0.0612358868f, 0.0716980115f},
|
|
|
1222 {-0.0880994453f, 0.1212584838f},
|
|
|
1223 {-0.0374168281f, -0.0154985577f},
|
|
|
1224 {-0.0058796987f, 0.0371229566f},
|
|
|
1225 {-0.0241893313f, 0.0019037417f},
|
|
|
1226 { 0.0039566651f, 0.0121773631f},
|
|
|
1227 {-0.0110559525f, 0.0067750964f},
|
|
|
1228 { 0.0063852527f, 0.0063852526f},
|
|
|
1229 {-0.0071406035f, 0.0116524059f},
|
|
|
1230 { 0.0006713257f, 0.0002181269f},
|
|
|
1231 {-0.0006582408f, 0.0083637423f},
|
|
|
1232 },
|
|
|
1233 {
|
|
|
1234 {-0.0006562063f, -0.0083378917f}, /* Filter 38 */
|
|
|
1235 {-0.0078685137f, 0.0025566351f},
|
|
|
1236 {-0.0075371745f, -0.0122995509f},
|
|
|
1237 {-0.0023600156f, 0.0023600156f},
|
|
|
1238 {-0.0154531504f, -0.0094697028f},
|
|
|
1239 {-0.0017887430f, 0.0055051847f},
|
|
|
1240 {-0.0404307068f, -0.0031819656f},
|
|
|
1241 {-0.0008098779f, -0.0051133675f},
|
|
|
1242 {-0.1008556255f, 0.0417757679f},
|
|
|
1243 {-0.0894483767f, -0.1231151286f},
|
|
|
1244 {-0.0456210210f, 0.0534153526f},
|
|
|
1245 {-0.4947095655f, -0.2520671138f},
|
|
|
1246 { 0.2377772412f, -0.9904134878f},
|
|
|
1247 { 1.1170852055f, 0.0000000000f},
|
|
|
1248 { 0.1805059061f, 0.7518612089f},
|
|
|
1249 {-0.2240248692f, 0.1141463722f},
|
|
|
1250 { 0.0639172763f, 0.0748375152f},
|
|
|
1251 {-0.0872998705f, 0.1201579635f},
|
|
|
1252 {-0.0351421949f, -0.0145563737f},
|
|
|
1253 {-0.0059671403f, 0.0376750413f},
|
|
|
1254 {-0.0233448674f, 0.0018372809f},
|
|
|
1255 { 0.0040973574f, 0.0126103693f},
|
|
|
1256 {-0.0107257260f, 0.0065727333f},
|
|
|
1257 { 0.0066436583f, 0.0066436583f},
|
|
|
1258 {-0.0070461774f, 0.0114983165f},
|
|
|
1259 { 0.0009671895f, 0.0003142589f},
|
|
|
1260 {-0.0006562063f, 0.0083378917f},
|
|
|
1261 },
|
|
|
1262 {
|
|
|
1263 {-0.0006535939f, -0.0083046980f}, /* Filter 39 */
|
|
|
1264 {-0.0081687281f, 0.0026541806f},
|
|
|
1265 {-0.0074643325f, -0.0121806836f},
|
|
|
1266 {-0.0027134480f, 0.0027134480f},
|
|
|
1267 {-0.0154095242f, -0.0094429686f},
|
|
|
1268 {-0.0020548339f, 0.0063241284f},
|
|
|
1269 {-0.0406701557f, -0.0032008107f},
|
|
|
1270 {-0.0005246505f, -0.0033125128f},
|
|
|
1271 {-0.1030553278f, 0.0426869144f},
|
|
|
1272 {-0.0886017384f, -0.1219498309f},
|
|
|
1273 {-0.0508043306f, 0.0594842284f},
|
|
|
1274 {-0.5046967186f, -0.2571558224f},
|
|
|
1275 { 0.2393370276f, -0.9969104659f},
|
|
|
1276 { 1.1140196110f, 0.0000000000f},
|
|
|
1277 { 0.1780828343f, 0.7417683886f},
|
|
|
1278 {-0.2150987105f, 0.1095982672f},
|
|
|
1279 { 0.0665069376f, 0.0778696190f},
|
|
|
1280 {-0.0864582472f, 0.1189995684f},
|
|
|
1281 {-0.0328871136f, -0.0136222885f},
|
|
|
1282 {-0.0060475918f, 0.0381829922f},
|
|
|
1283 {-0.0224917457f, 0.0017701388f},
|
|
|
1284 { 0.0042319732f, 0.0130246742f},
|
|
|
1285 {-0.0103869007f, 0.0063651009f},
|
|
|
1286 { 0.0068952472f, 0.0068952472f},
|
|
|
1287 {-0.0069469389f, 0.0113363740f},
|
|
|
1288 { 0.0012592008f, 0.0004091391f},
|
|
|
1289 {-0.0006535939f, 0.0083046980f},
|
|
|
1290 },
|
|
|
1291 {
|
|
|
1292 {-0.0006504113f, -0.0082642593f}, /* Filter 40 */
|
|
|
1293 {-0.0084650709f, 0.0027504683f},
|
|
|
1294 {-0.0073850485f, -0.0120513039f},
|
|
|
1295 {-0.0030660718f, 0.0030660718f},
|
|
|
1296 {-0.0153490660f, -0.0094059197f},
|
|
|
1297 {-0.0023229930f, 0.0071494373f},
|
|
|
1298 {-0.0408757346f, -0.0032169901f},
|
|
|
1299 {-0.0002330732f, -0.0014715664f},
|
|
|
1300 {-0.1052267179f, 0.0435863337f},
|
|
|
1301 {-0.0876818748f, -0.1206837473f},
|
|
|
1302 {-0.0560684714f, 0.0656477454f},
|
|
|
1303 {-0.5146747091f, -0.2622398626f},
|
|
|
1304 { 0.2408566902f, -1.0032403162f},
|
|
|
1305 { 1.1107488316f, 0.0000000000f},
|
|
|
1306 { 0.1756417989f, 0.7316007446f},
|
|
|
1307 {-0.2062499680f, 0.1050896077f},
|
|
|
1308 { 0.0690051173f, 0.0807946117f},
|
|
|
1309 {-0.0855758340f, 0.1177850307f},
|
|
|
1310 {-0.0306528326f, -0.0126968190f},
|
|
|
1311 {-0.0061211077f, 0.0386471532f},
|
|
|
1312 {-0.0216308523f, 0.0017023850f},
|
|
|
1313 { 0.0043604608f, 0.0134201184f},
|
|
|
1314 {-0.0100398656f, 0.0061524375f},
|
|
|
1315 { 0.0071398493f, 0.0071398493f},
|
|
|
1316 {-0.0068430082f, 0.0111667745f},
|
|
|
1317 { 0.0015471436f, 0.0005026974f},
|
|
|
1318 {-0.0006504113f, 0.0082642593f},
|
|
|
1319 },
|
|
|
1320 {
|
|
|
1321 {-0.0006466667f, -0.0082166790f}, /* Filter 41 */
|
|
|
1322 {-0.0087572594f, 0.0028454060f},
|
|
|
1323 {-0.0072993441f, -0.0119114470f},
|
|
|
1324 {-0.0034175587f, 0.0034175587f},
|
|
|
1325 {-0.0152716480f, -0.0093584780f},
|
|
|
1326 {-0.0025930028f, 0.0079804420f},
|
|
|
1327 {-0.0410467015f, -0.0032304455f},
|
|
|
1328 { 0.0000647469f, 0.0004087959f},
|
|
|
1329 {-0.1073678519f, 0.0444732204f},
|
|
|
1330 {-0.0866880040f, -0.1193158015f},
|
|
|
1331 {-0.0614124285f, 0.0719047153f},
|
|
|
1332 {-0.5246402627f, -0.2673175657f},
|
|
|
1333 { 0.2423356631f, -1.0094006816f},
|
|
|
1334 { 1.1072741035f, 0.0000000000f},
|
|
|
1335 { 0.1731836536f, 0.7213618325f},
|
|
|
1336 {-0.1974809435f, 0.1006215665f},
|
|
|
1337 { 0.0714121011f, 0.0836128276f},
|
|
|
1338 {-0.0846538939f, 0.1165160891f},
|
|
|
1339 {-0.0284405684f, -0.0117804691f},
|
|
|
1340 {-0.0061877467f, 0.0390678953f},
|
|
|
1341 {-0.0207630684f, 0.0016340889f},
|
|
|
1342 { 0.0044827743f, 0.0137965606f},
|
|
|
1343 {-0.0096850130f, 0.0059349836f},
|
|
|
1344 { 0.0073773020f, 0.0073773020f},
|
|
|
1345 {-0.0067345088f, 0.0109897195f},
|
|
|
1346 { 0.0018308065f, 0.0005948651f},
|
|
|
1347 {-0.0006466667f, 0.0082166790f},
|
|
|
1348 },
|
|
|
1349 {
|
|
|
1350 {-0.0006423686f, -0.0081620664f}, /* Filter 42 */
|
|
|
1351 {-0.0090450120f, 0.0029389025f},
|
|
|
1352 {-0.0072072465f, -0.0117611574f},
|
|
|
1353 {-0.0037675783f, 0.0037675783f},
|
|
|
1354 {-0.0151771562f, -0.0093005733f},
|
|
|
1355 {-0.0028646414f, 0.0088164597f},
|
|
|
1356 {-0.0411823301f, -0.0032411197f},
|
|
|
1357 { 0.0003686970f, 0.0023278610f},
|
|
|
1358 {-0.1094767749f, 0.0453467649f},
|
|
|
1359 {-0.0856193708f, -0.1178449541f},
|
|
|
1360 {-0.0668351454f, 0.0782539010f},
|
|
|
1361 {-0.5345900940f, -0.2723872580f},
|
|
|
1362 { 0.2437733949f, -1.0153892656f},
|
|
|
1363 { 1.1035967397f, 0.0000000000f},
|
|
|
1364 { 0.1707092554f, 0.7110552220f},
|
|
|
1365 {-0.1887938905f, 0.0961952919f},
|
|
|
1366 { 0.0737282126f, 0.0863246457f},
|
|
|
1367 {-0.0836936943f, 0.1151944878f},
|
|
|
1368 {-0.0262515049f, -0.0108737293f},
|
|
|
1369 {-0.0062475719f, 0.0394456164f},
|
|
|
1370 {-0.0198892682f, 0.0015653194f},
|
|
|
1371 { 0.0045988736f, 0.0141538775f},
|
|
|
1372 {-0.0093227386f, 0.0057129815f},
|
|
|
1373 { 0.0076074506f, 0.0076074506f},
|
|
|
1374 {-0.0066215668f, 0.0108054149f},
|
|
|
1375 { 0.0021099840f, 0.0006855754f},
|
|
|
1376 {-0.0006423686f, 0.0081620664f},
|
|
|
1377 },
|
|
|
1378 {
|
|
|
1379 {-0.0006375260f, -0.0081005359f}, /* Filter 43 */
|
|
|
1380 {-0.0093280490f, 0.0030308668f},
|
|
|
1381 {-0.0071087889f, -0.0116004892f},
|
|
|
1382 {-0.0041157984f, 0.0041157984f},
|
|
|
1383 {-0.0150654901f, -0.0092321442f},
|
|
|
1384 {-0.0031376826f, 0.0096567942f},
|
|
|
1385 {-0.0412819110f, -0.0032489569f},
|
|
|
1386 { 0.0006786580f, 0.0042848780f},
|
|
|
1387 {-0.1115515226f, 0.0462061535f},
|
|
|
1388 {-0.0844752467f, -0.1162702023f},
|
|
|
1389 {-0.0723355236f, 0.0846940164f},
|
|
|
1390 {-0.5445209082f, -0.2774472605f},
|
|
|
1391 { 0.2451693490f, -1.0212038328f},
|
|
|
1392 { 1.0997181284f, 0.0000000000f},
|
|
|
1393 { 0.1682194641f, 0.7006844950f},
|
|
|
1394 {-0.1801910135f, 0.0918119071f},
|
|
|
1395 { 0.0759538132f, 0.0889304892f},
|
|
|
1396 {-0.0826965057f, 0.1138219754f},
|
|
|
1397 {-0.0240867927f, -0.0099770762f},
|
|
|
1398 {-0.0063006503f, 0.0397807405f},
|
|
|
1399 {-0.0190103194f, 0.0014961446f},
|
|
|
1400 { 0.0047087245f, 0.0144919637f},
|
|
|
1401 {-0.0089534403f, 0.0054866753f},
|
|
|
1402 { 0.0078301476f, 0.0078301476f},
|
|
|
1403 {-0.0065043116f, 0.0106140718f},
|
|
|
1404 { 0.0023844759f, 0.0007747632f},
|
|
|
1405 {-0.0006375260f, 0.0081005359f},
|
|
|
1406 },
|
|
|
1407 {
|
|
|
1408 {-0.0006321484f, -0.0080322075f}, /* Filter 44 */
|
|
|
1409 {-0.0096060925f, 0.0031212087f},
|
|
|
1410 {-0.0070040103f, -0.0114295060f},
|
|
|
1411 {-0.0044618854f, 0.0044618854f},
|
|
|
1412 {-0.0149365628f, -0.0091531374f},
|
|
|
1413 {-0.0034118961f, 0.0105007365f},
|
|
|
1414 {-0.0413447525f, -0.0032539026f},
|
|
|
1415 { 0.0009945051f, 0.0062790582f},
|
|
|
1416 {-0.1135901216f, 0.0470505689f},
|
|
|
1417 {-0.0832549311f, -0.1145905820f},
|
|
|
1418 {-0.0779124236f, 0.0912237273f},
|
|
|
1419 {-0.5544294025f, -0.2824958906f},
|
|
|
1420 { 0.2465230038f, -1.0268422107f},
|
|
|
1421 { 1.0956397332f, 0.0000000000f},
|
|
|
1422 { 0.1657151424f, 0.6902532446f},
|
|
|
1423 {-0.1716744668f, 0.0874725099f},
|
|
|
1424 { 0.0780893017f, 0.0914308250f},
|
|
|
1425 {-0.0816636012f, 0.1124003042f},
|
|
|
1426 {-0.0219475497f, -0.0090909727f},
|
|
|
1427 {-0.0063470532f, 0.0400737166f},
|
|
|
1428 {-0.0181270820f, 0.0014266323f},
|
|
|
1429 { 0.0048122983f, 0.0148107313f},
|
|
|
1430 {-0.0085775184f, 0.0052563101f},
|
|
|
1431 { 0.0080452535f, 0.0080452535f},
|
|
|
1432 {-0.0063828750f, 0.0104159053f},
|
|
|
1433 { 0.0026540877f, 0.0008623654f},
|
|
|
1434 {-0.0006321484f, 0.0080322075f},
|
|
|
1435 },
|
|
|
1436 {
|
|
|
1437 {-0.0006262457f, -0.0079572062f}, /* Filter 45 */
|
|
|
1438 {-0.0098788669f, 0.0032098384f},
|
|
|
1439 {-0.0068929555f, -0.0112482810f},
|
|
|
1440 {-0.0048055043f, 0.0048055043f},
|
|
|
1441 {-0.0147903020f, -0.0090635087f},
|
|
|
1442 {-0.0036870475f, 0.0113475654f},
|
|
|
1443 {-0.0413701808f, -0.0032559039f},
|
|
|
1444 { 0.0013161074f, 0.0083095754f},
|
|
|
1445 {-0.1155905906f, 0.0478791903f},
|
|
|
1446 {-0.0819577515f, -0.1128051674f},
|
|
|
1447 {-0.0835646644f, 0.0978416511f},
|
|
|
1448 {-0.5643122679f, -0.2875314620f},
|
|
|
1449 { 0.2478338529f, -1.0323022902f},
|
|
|
1450 { 1.0913630919f, 0.0000000000f},
|
|
|
1451 { 0.1631971552f, 0.6797650728f},
|
|
|
1452 {-0.1632463544f, 0.0831781721f},
|
|
|
1453 { 0.0801351139f, 0.0938261634f},
|
|
|
1454 {-0.0805962556f, 0.1109312291f},
|
|
|
1455 {-0.0198348595f, -0.0082158678f},
|
|
|
1456 {-0.0063868556f, 0.0403250190f},
|
|
|
1457 {-0.0172404079f, 0.0013568495f},
|
|
|
1458 { 0.0049095725f, 0.0151101104f},
|
|
|
1459 {-0.0081953754f, 0.0050221325f},
|
|
|
1460 { 0.0082526365f, 0.0082526365f},
|
|
|
1461 {-0.0062573914f, 0.0102111348f},
|
|
|
1462 { 0.0029186307f, 0.0009483206f},
|
|
|
1463 {-0.0006262457f, 0.0079572062f},
|
|
|
1464 },
|
|
|
1465 {
|
|
|
1466 {-0.0006198280f, -0.0078756618f}, /* Filter 46 */
|
|
|
1467 {-0.0101460989f, 0.0032966674f},
|
|
|
1468 {-0.0067756751f, -0.0110568969f},
|
|
|
1469 {-0.0051463192f, 0.0051463192f},
|
|
|
1470 {-0.0146266493f, -0.0089632222f},
|
|
|
1471 {-0.0039628985f, 0.0121965475f},
|
|
|
1472 {-0.0413575411f, -0.0032549091f},
|
|
|
1473 { 0.0016433282f, 0.0103755662f},
|
|
|
1474 {-0.1175509420f, 0.0486911944f},
|
|
|
1475 {-0.0805830641f, -0.1109130726f},
|
|
|
1476 {-0.0892910248f, 0.1045463576f},
|
|
|
1477 {-0.5741661901f, -0.2925522861f},
|
|
|
1478 { 0.2491014054f, -1.0375820265f},
|
|
|
1479 { 1.0868898157f, 0.0000000000f},
|
|
|
1480 { 0.1606663689f, 0.6692235895f},
|
|
|
1481 {-0.1549087286f, 0.0789299396f},
|
|
|
1482 { 0.0820917217f, 0.0961170567f},
|
|
|
1483 {-0.0794957450f, 0.1094165063f},
|
|
|
1484 {-0.0177497724f, -0.0073521965f},
|
|
|
1485 {-0.0064201364f, 0.0405351459f},
|
|
|
1486 {-0.0163511406f, 0.0012868627f},
|
|
|
1487 { 0.0050005298f, 0.0153900482f},
|
|
|
1488 {-0.0078074148f, 0.0047843899f},
|
|
|
1489 { 0.0084521727f, 0.0084521727f},
|
|
|
1490 {-0.0061279979f, 0.0099999837f},
|
|
|
1491 { 0.0031779221f, 0.0010325695f},
|
|
|
1492 {-0.0006198280f, 0.0078756618f},
|
|
|
1493 },
|
|
|
1494 {
|
|
|
1495 {-0.0006129060f, -0.0077877091f}, /* Filter 47 */
|
|
|
1496 {-0.0104075179f, 0.0033816075f},
|
|
|
1497 {-0.0066522258f, -0.0108554460f},
|
|
|
1498 {-0.0054839934f, 0.0054839934f},
|
|
|
1499 {-0.0144455612f, -0.0088522513f},
|
|
|
1500 {-0.0042392071f, 0.0130469379f},
|
|
|
1501 {-0.0413061980f, -0.0032508683f},
|
|
|
1502 { 0.0019760247f, 0.0124761291f},
|
|
|
1503 {-0.1194691818f, 0.0494857553f},
|
|
|
1504 {-0.0791302548f, -0.1089134521f},
|
|
|
1505 {-0.0950902426f, 0.1113363693f},
|
|
|
1506 {-0.5839878512f, -0.2975566724f},
|
|
|
1507 { 0.2503251863f, -1.0426794408f},
|
|
|
1508 { 1.0822215889f, 0.0000000000f},
|
|
|
1509 { 0.1581236518f, 0.6586324102f},
|
|
|
1510 {-0.1466635902f, 0.0747288317f},
|
|
|
1511 { 0.0839596331f, 0.0983041000f},
|
|
|
1512 {-0.0783633460f, 0.1078578927f},
|
|
|
1513 {-0.0156933045f, -0.0065003796f},
|
|
|
1514 {-0.0064469783f, 0.0407046190f},
|
|
|
1515 {-0.0154601145f, 0.0012167374f},
|
|
|
1516 { 0.0050851588f, 0.0156505094f},
|
|
|
1517 {-0.0074140419f, 0.0045433307f},
|
|
|
1518 { 0.0086437458f, 0.0086437458f},
|
|
|
1519 {-0.0059948336f, 0.0097826794f},
|
|
|
1520 { 0.0034317849f, 0.0011150545f},
|
|
|
1521 {-0.0006129060f, 0.0077877091f},
|
|
|
1522 },
|
|
|
1523 };
|
|
|
1524
|
|
|
1525 /* Coefficients for the band edge symbol timing synchroniser */
|
|
|
1526 #define SYNC_LOW_BAND_EDGE_COEFF_0 1.829281f /* 2*alpha*cos(low_edge) */
|
|
|
1527 #define SYNC_LOW_BAND_EDGE_COEFF_1 -0.980100f /* -alpha^2 */
|
|
|
1528 #define SYNC_HIGH_BAND_EDGE_COEFF_0 -1.285907f /* 2*alpha*cos(high_edge) */
|
|
|
1529 #define SYNC_HIGH_BAND_EDGE_COEFF_1 -0.980100f /* -alpha^2 */
|
|
|
1530 #define SYNC_CROSS_CORR_COEFF_A -0.932131f /* -alpha^2*sin(freq_diff) */
|
|
|
1531 #define SYNC_CROSS_CORR_COEFF_B 0.752802f /* alpha*sin(high_edge) */
|
|
|
1532 #define SYNC_CROSS_CORR_COEFF_C -0.378857f /* -alpha*sin(low_edge) */
|
|
|
1533
|
|
|
1534 float v29_rx_carrier_frequency(v29_rx_state_t *s)
|
|
|
1535 {
|
|
|
1536 return dds_frequencyf(s->carrier_phase_rate);
|
|
|
1537 }
|
|
|
1538 /*- End of function --------------------------------------------------------*/
|
|
|
1539
|
|
|
1540 float v29_rx_symbol_timing_correction(v29_rx_state_t *s)
|
|
|
1541 {
|
|
|
1542 return (float) s->total_baud_timing_correction/((float) PULSESHAPER_COEFF_SETS*10.0f/3.0f);
|
|
|
1543 }
|
|
|
1544 /*- End of function --------------------------------------------------------*/
|
|
|
1545
|
|
|
1546 void v29_rx_signal_cutoff(v29_rx_state_t *s, float cutoff)
|
|
|
1547 {
|
|
|
1548 /* The 0.4 factor allows for the gain of the DC blocker */
|
|
|
1549 s->carrier_on_power = (int32_t) (power_meter_level_dbm0(cutoff + 2.5f)*0.4f);
|
|
|
1550 s->carrier_off_power = (int32_t) (power_meter_level_dbm0(cutoff - 2.5f)*0.4f);
|
|
|
1551 }
|
|
|
1552 /*- End of function --------------------------------------------------------*/
|
|
|
1553
|
|
|
1554 float v29_rx_signal_power(v29_rx_state_t *s)
|
|
|
1555 {
|
|
|
1556 return power_meter_dbm0(&s->power);
|
|
|
1557 }
|
|
|
1558 /*- End of function --------------------------------------------------------*/
|
|
|
1559
|
|
|
1560 int v29_rx_equalizer_state(v29_rx_state_t *s, complexf_t **coeffs)
|
|
|
1561 {
|
|
|
1562 *coeffs = s->eq_coeff;
|
|
|
1563 return V29_EQUALIZER_PRE_LEN + 1 + V29_EQUALIZER_POST_LEN;
|
|
|
1564 }
|
|
|
1565 /*- End of function --------------------------------------------------------*/
|
|
|
1566
|
|
|
1567 static void equalizer_save(v29_rx_state_t *s)
|
|
|
1568 {
|
|
|
1569 cvec_copyf(s->eq_coeff_save, s->eq_coeff, V29_EQUALIZER_PRE_LEN + 1 + V29_EQUALIZER_POST_LEN);
|
|
|
1570 }
|
|
|
1571 /*- End of function --------------------------------------------------------*/
|
|
|
1572
|
|
|
1573 static void equalizer_restore(v29_rx_state_t *s)
|
|
|
1574 {
|
|
|
1575 cvec_copyf(s->eq_coeff, s->eq_coeff_save, V29_EQUALIZER_PRE_LEN + 1 + V29_EQUALIZER_POST_LEN);
|
|
|
1576 cvec_zerof(s->eq_buf, V29_EQUALIZER_MASK);
|
|
|
1577
|
|
|
1578 s->eq_put_step = PULSESHAPER_COEFF_SETS*10/(3*2) - 1;
|
|
|
1579 s->eq_step = 0;
|
|
|
1580 s->eq_delta = EQUALIZER_DELTA/(V29_EQUALIZER_PRE_LEN + 1 + V29_EQUALIZER_POST_LEN);
|
|
|
1581 }
|
|
|
1582 /*- End of function --------------------------------------------------------*/
|
|
|
1583
|
|
|
1584 static void equalizer_reset(v29_rx_state_t *s)
|
|
|
1585 {
|
|
|
1586 /* Start with an equalizer based on everything being perfect */
|
|
|
1587 cvec_zerof(s->eq_coeff, V29_EQUALIZER_PRE_LEN + 1 + V29_EQUALIZER_POST_LEN);
|
|
|
1588 s->eq_coeff[V29_EQUALIZER_PRE_LEN] = complex_setf(3.0f, 0.0f);
|
|
|
1589 cvec_zerof(s->eq_buf, V29_EQUALIZER_MASK);
|
|
|
1590
|
|
|
1591 s->eq_put_step = PULSESHAPER_COEFF_SETS*10/(3*2) - 1;
|
|
|
1592 s->eq_step = 0;
|
|
|
1593 s->eq_delta = EQUALIZER_DELTA/(V29_EQUALIZER_PRE_LEN + 1 + V29_EQUALIZER_POST_LEN);
|
|
|
1594 }
|
|
|
1595 /*- End of function --------------------------------------------------------*/
|
|
|
1596
|
|
|
1597 static __inline__ complexf_t equalizer_get(v29_rx_state_t *s)
|
|
|
1598 {
|
|
|
1599 int i;
|
|
|
1600 int p;
|
|
|
1601 complexf_t z;
|
|
|
1602 complexf_t z1;
|
|
|
1603
|
|
|
1604 /* Get the next equalized value. */
|
|
|
1605 z = complex_setf(0.0f, 0.0f);
|
|
|
1606 p = s->eq_step - 1;
|
|
|
1607 for (i = 0; i < V29_EQUALIZER_PRE_LEN + 1 + V29_EQUALIZER_POST_LEN; i++)
|
|
|
1608 {
|
|
|
1609 p = (p - 1) & V29_EQUALIZER_MASK;
|
|
|
1610 z1 = complex_mulf(&s->eq_coeff[i], &s->eq_buf[p]);
|
|
|
1611 z = complex_addf(&z, &z1);
|
|
|
1612 }
|
|
|
1613 return z;
|
|
|
1614 }
|
|
|
1615 /*- End of function --------------------------------------------------------*/
|
|
|
1616
|
|
|
1617 static void tune_equalizer(v29_rx_state_t *s, const complexf_t *z, const complexf_t *target)
|
|
|
1618 {
|
|
|
1619 int i;
|
|
|
1620 int p;
|
|
|
1621 complexf_t ez;
|
|
|
1622 complexf_t z1;
|
|
|
1623
|
|
|
1624 /* Find the x and y mismatch from the exact constellation position. */
|
|
|
1625 ez = complex_subf(target, z);
|
|
|
1626 ez.re *= s->eq_delta;
|
|
|
1627 ez.im *= s->eq_delta;
|
|
|
1628
|
|
|
1629 p = s->eq_step - 1;
|
|
|
1630 for (i = 0; i < V29_EQUALIZER_PRE_LEN + 1 + V29_EQUALIZER_POST_LEN; i++)
|
|
|
1631 {
|
|
|
1632 p = (p - 1) & V29_EQUALIZER_MASK;
|
|
|
1633 z1 = complex_conjf(&s->eq_buf[p]);
|
|
|
1634 z1 = complex_mulf(&ez, &z1);
|
|
|
1635 s->eq_coeff[i] = complex_addf(&s->eq_coeff[i], &z1);
|
|
|
1636 /* Leak a little to tame uncontrolled wandering */
|
|
|
1637 s->eq_coeff[i].re *= 0.9999f;
|
|
|
1638 s->eq_coeff[i].im *= 0.9999f;
|
|
|
1639 }
|
|
|
1640 }
|
|
|
1641 /*- End of function --------------------------------------------------------*/
|
|
|
1642
|
|
|
1643 static int scrambled_training_bit(v29_rx_state_t *s)
|
|
|
1644 {
|
|
|
1645 int bit;
|
|
|
1646
|
|
|
1647 /* Segment 3 of the training sequence - the scrambled CDCD part. */
|
|
|
1648 /* Apply the 1 + x^-6 + x^-7 scrambler */
|
|
|
1649 bit = s->training_scramble_reg & 1;
|
|
|
1650 s->training_scramble_reg >>= 1;
|
|
|
1651 if (bit ^ (s->training_scramble_reg & 1))
|
|
|
1652 s->training_scramble_reg |= 0x40;
|
|
|
1653 return bit;
|
|
|
1654 }
|
|
|
1655 /*- End of function --------------------------------------------------------*/
|
|
|
1656
|
|
|
1657 static __inline__ int find_quadrant(const complexf_t *z)
|
|
|
1658 {
|
|
|
1659 int b1;
|
|
|
1660 int b2;
|
|
|
1661
|
|
|
1662 /* Split the space along the two diagonals. */
|
|
|
1663 b1 = (z->im > z->re);
|
|
|
1664 b2 = (z->im < -z->re);
|
|
|
1665 return (b2 << 1) | (b1 ^ b2);
|
|
|
1666 }
|
|
|
1667 /*- End of function --------------------------------------------------------*/
|
|
|
1668
|
|
|
1669 static __inline__ void track_carrier(v29_rx_state_t *s, const complexf_t *z, const complexf_t *target)
|
|
|
1670 {
|
|
|
1671 float error;
|
|
|
1672
|
|
|
1673 /* The initial coarse carrier frequency and phase estimation should have
|
|
|
1674 got us in the right ballpark. Now we need to fine tune fairly quickly,
|
|
|
1675 to get the receovered carrier more precisely on target. Then we need to
|
|
|
1676 fine tune in a more damped way to keep us on target. The goal is to have
|
|
|
1677 things running really well by the time the training is complete.
|
|
|
1678 We assume the frequency of the oscillators at the two ends drift only
|
|
|
1679 very slowly. The PSTN has rather limited doppler problems. :-) Any
|
|
|
1680 remaining FDM in the network should also drift slowly. */
|
|
|
1681 /* For small errors the imaginary part of the difference between the actual and the target
|
|
|
1682 positions is proportional to the phase error, for any particular target. However, the
|
|
|
1683 different amplitudes of the various target positions scale things. This isn't all bad,
|
|
|
1684 as the angular error for the larger amplitude constellation points is probably
|
|
|
1685 a more reliable indicator, and we are weighting it as such. */
|
|
|
1686 error = z->im*target->re - z->re*target->im;
|
|
|
1687
|
|
|
1688 /* Use a proportional-integral approach to tracking the carrier. The PI
|
|
|
1689 parameters are coarser at first, until we get precisely on target. Then,
|
|
|
1690 the filter will be damped more to keep us on target. */
|
|
|
1691 s->carrier_phase_rate += (int32_t) (s->carrier_track_i*error);
|
|
|
1692 s->carrier_phase += (int32_t) (s->carrier_track_p*error);
|
|
|
1693 //span_log(&s->logging, SPAN_LOG_FLOW, "Im = %15.5f f = %15.5f\n", error, dds_frequencyf(s->carrier_phase_rate));
|
|
|
1694 }
|
|
|
1695 /*- End of function --------------------------------------------------------*/
|
|
|
1696
|
|
|
1697 static __inline__ void put_bit(v29_rx_state_t *s, int bit)
|
|
|
1698 {
|
|
|
1699 int out_bit;
|
|
|
1700
|
|
|
1701 bit &= 1;
|
|
|
1702
|
|
|
1703 /* Descramble the bit */
|
|
|
1704 out_bit = (bit ^ (s->scramble_reg >> 17) ^ (s->scramble_reg >> 22)) & 1;
|
|
|
1705 s->scramble_reg = (s->scramble_reg << 1) | bit;
|
|
|
1706
|
|
|
1707 /* We need to strip the last part of the training - the test period of all 1s -
|
|
|
1708 before we let data go to the application. */
|
|
|
1709 if (s->in_training == TRAINING_STAGE_NORMAL_OPERATION)
|
|
|
1710 {
|
|
|
1711 s->put_bit(s->user_data, out_bit);
|
|
|
1712 }
|
|
|
1713 else
|
|
|
1714 {
|
|
|
1715 //span_log(&s->logging, SPAN_LOG_FLOW, "bit %5d %d\n", s->training_cd, out_bit);
|
|
|
1716 /* The bits during the final stage of training should be all ones. However,
|
|
|
1717 buggy modems mean you cannot rely on this. Therefore we don't bother
|
|
|
1718 testing for ones, but just rely on a constellation mismatch measurement. */
|
|
|
1719 }
|
|
|
1720 }
|
|
|
1721 /*- End of function --------------------------------------------------------*/
|
|
|
1722
|
|
|
1723 static void decode_baud(v29_rx_state_t *s, complexf_t *z)
|
|
|
1724 {
|
|
|
1725 static const uint8_t phase_steps_9600[8] =
|
|
|
1726 {
|
|
|
1727 4, 0, 2, 6, 7, 3, 1, 5
|
|
|
1728 };
|
|
|
1729 static const uint8_t phase_steps_4800[4] =
|
|
|
1730 {
|
|
|
1731 0, 2, 3, 1
|
|
|
1732 };
|
|
|
1733 int nearest;
|
|
|
1734 int raw_bits;
|
|
|
1735 int i;
|
|
|
1736 int re;
|
|
|
1737 int im;
|
|
|
1738
|
|
|
1739 switch (s->bit_rate)
|
|
|
1740 {
|
|
|
1741 case 9600:
|
|
|
1742 default:
|
|
|
1743 re = (int) ((z->re + 5.0f)*2.0f);
|
|
|
1744 if (re > 19)
|
|
|
1745 re = 19;
|
|
|
1746 else if (re < 0)
|
|
|
1747 re = 0;
|
|
|
1748 im = (int) ((z->im + 5.0f)*2.0f);
|
|
|
1749 if (im > 19)
|
|
|
1750 im = 19;
|
|
|
1751 else if (im < 0)
|
|
|
1752 im = 0;
|
|
|
1753 nearest = space_map_9600[re][im];
|
|
|
1754 /* Deal with the amplitude bit */
|
|
|
1755 put_bit(s, nearest >> 3);
|
|
|
1756 raw_bits = phase_steps_9600[(nearest - s->constellation_state) & 7];
|
|
|
1757 for (i = 0; i < 3; i++)
|
|
|
1758 {
|
|
|
1759 put_bit(s, raw_bits);
|
|
|
1760 raw_bits >>= 1;
|
|
|
1761 }
|
|
|
1762 break;
|
|
|
1763 case 7200:
|
|
|
1764 /* We can reuse the space map for 9600, but drop the top bit */
|
|
|
1765 re = (int) ((z->re + 5.0f)*2.0f);
|
|
|
1766 if (re > 19)
|
|
|
1767 re = 19;
|
|
|
1768 else if (re < 0)
|
|
|
1769 re = 0;
|
|
|
1770 im = (int) ((z->im + 5.0f)*2.0f);
|
|
|
1771 if (im > 19)
|
|
|
1772 im = 19;
|
|
|
1773 else if (im < 0)
|
|
|
1774 im = 0;
|
|
|
1775 nearest = space_map_9600[re][im] & 7;
|
|
|
1776 raw_bits = phase_steps_9600[(nearest - s->constellation_state) & 7];
|
|
|
1777 for (i = 0; i < 3; i++)
|
|
|
1778 {
|
|
|
1779 put_bit(s, raw_bits);
|
|
|
1780 raw_bits >>= 1;
|
|
|
1781 }
|
|
|
1782 break;
|
|
|
1783 case 4800:
|
|
|
1784 nearest = find_quadrant(z) << 1;
|
|
|
1785 raw_bits = phase_steps_4800[((nearest - s->constellation_state) >> 1) & 3];
|
|
|
1786 put_bit(s, raw_bits);
|
|
|
1787 put_bit(s, raw_bits >> 1);
|
|
|
1788 break;
|
|
|
1789 }
|
|
|
1790 track_carrier(s, z, &v29_constellation[nearest]);
|
|
|
1791 if (--s->eq_skip <= 0)
|
|
|
1792 {
|
|
|
1793 /* Once we are in the data the equalization should not need updating.
|
|
|
1794 However, the line characteristics may slowly drift. We, therefore,
|
|
|
1795 tune up on the occassional sample, keeping the compute down. */
|
|
|
1796 s->eq_skip = 10;
|
|
|
1797 tune_equalizer(s, z, &v29_constellation[nearest]);
|
|
|
1798 }
|
|
|
1799 s->constellation_state = nearest;
|
|
|
1800 }
|
|
|
1801 /*- End of function --------------------------------------------------------*/
|
|
|
1802
|
|
|
1803 static void process_half_baud(v29_rx_state_t *s, complexf_t *sample)
|
|
|
1804 {
|
|
|
1805 static const int cdcd_pos[6] =
|
|
|
1806 {
|
|
|
1807 0, 11,
|
|
|
1808 0, 3,
|
|
|
1809 0, 2
|
|
|
1810 };
|
|
|
1811 complexf_t z;
|
|
|
1812 complexf_t zz;
|
|
|
1813 const complexf_t *target;
|
|
|
1814 float v;
|
|
|
1815 float p;
|
|
|
1816 int bit;
|
|
|
1817 int i;
|
|
|
1818 int j;
|
|
|
1819 int32_t angle;
|
|
|
1820 int32_t ang;
|
|
|
1821
|
|
|
1822 /* This routine processes every half a baud, as we put things into the equalizer at the T/2 rate.
|
|
|
1823 This routine adapts the position of the half baud samples, which the caller takes. */
|
|
|
1824
|
|
|
1825 /* Add a sample to the equalizer's circular buffer, but don't calculate anything
|
|
|
1826 at this time. */
|
|
|
1827 s->eq_buf[s->eq_step] = *sample;
|
|
|
1828 s->eq_step = (s->eq_step + 1) & V29_EQUALIZER_MASK;
|
|
|
1829
|
|
|
1830 /* On alternate insertions we have a whole baud, and must process it. */
|
|
|
1831 if ((s->baud_half ^= 1))
|
|
|
1832 return;
|
|
|
1833
|
|
|
1834 /* Symbol timing synchronisation */
|
|
|
1835 /* Cross correlate */
|
|
|
1836 v = s->symbol_sync_low[1]*s->symbol_sync_high[1]*SYNC_CROSS_CORR_COEFF_A
|
|
|
1837 + s->symbol_sync_low[0]*s->symbol_sync_high[1]*SYNC_CROSS_CORR_COEFF_B
|
|
|
1838 + s->symbol_sync_low[1]*s->symbol_sync_high[0]*SYNC_CROSS_CORR_COEFF_C;
|
|
|
1839
|
|
|
1840 /* Filter away any DC component */
|
|
|
1841 p = v - s->symbol_sync_dc_filter[1];
|
|
|
1842 s->symbol_sync_dc_filter[1] = s->symbol_sync_dc_filter[0];
|
|
|
1843 s->symbol_sync_dc_filter[0] = v;
|
|
|
1844 /* A little integration will now filter away much of the noise */
|
|
|
1845 s->baud_phase -= p;
|
|
|
1846
|
|
|
1847 i = 0;
|
|
|
1848 if (s->baud_phase > 1000.0f)
|
|
|
1849 i = 5;
|
|
|
1850 else if (s->baud_phase < -1000.0f)
|
|
|
1851 i = -5;
|
|
|
1852 else if (s->baud_phase > 100.0f)
|
|
|
1853 i = 1;
|
|
|
1854 else if (s->baud_phase < -100.0f)
|
|
|
1855 i = -1;
|
|
|
1856
|
|
|
1857 //printf("v = %10.5f %5d - %f %f %d %d\n", v, i, p, s->baud_phase, s->total_baud_timing_correction);
|
|
|
1858
|
|
|
1859 if (i)
|
|
|
1860 {
|
|
|
1861 s->eq_put_step += i;
|
|
|
1862 s->total_baud_timing_correction += i;
|
|
|
1863 }
|
|
|
1864
|
|
|
1865 z = equalizer_get(s);
|
|
|
1866
|
|
|
1867 switch (s->in_training)
|
|
|
1868 {
|
|
|
1869 case TRAINING_STAGE_NORMAL_OPERATION:
|
|
|
1870 /* Normal operation. */
|
|
|
1871 decode_baud(s, &z);
|
|
|
1872 target = &v29_constellation[s->constellation_state];
|
|
|
1873 break;
|
|
|
1874 case TRAINING_STAGE_SYMBOL_ACQUISITION:
|
|
|
1875 /* Allow time for symbol synchronisation to settle the symbol timing. */
|
|
|
1876 target = &z;
|
|
|
1877 if (++s->training_count >= 60)
|
|
|
1878 {
|
|
|
1879 /* Record the current phase angle */
|
|
|
1880 s->in_training = TRAINING_STAGE_LOG_PHASE;
|
|
|
1881 s->angles[0] =
|
|
|
1882 s->start_angles[0] = arctan2(z.im, z.re);
|
|
|
1883 }
|
|
|
1884 break;
|
|
|
1885 case TRAINING_STAGE_LOG_PHASE:
|
|
|
1886 /* Record the current alternate phase angle */
|
|
|
1887 target = &z;
|
|
|
1888 s->angles[1] =
|
|
|
1889 s->start_angles[1] = arctan2(z.im, z.re);
|
|
|
1890 s->training_count = 1;
|
|
|
1891 s->in_training = TRAINING_STAGE_WAIT_FOR_CDCD;
|
|
|
1892 break;
|
|
|
1893 case TRAINING_STAGE_WAIT_FOR_CDCD:
|
|
|
1894 target = &z;
|
|
|
1895 angle = arctan2(z.im, z.re);
|
|
|
1896 /* Look for the initial ABAB sequence to display a phase reversal, which will
|
|
|
1897 signal the start of the scrambled CDCD segment */
|
|
|
1898 ang = angle - s->angles[(s->training_count - 1) & 0xF];
|
|
|
1899 s->angles[(s->training_count + 1) & 0xF] = angle;
|
|
|
1900 if ((ang > 0x20000000 || ang < -0x20000000) && s->training_count >= 13)
|
|
|
1901 {
|
|
|
1902 /* We seem to have a phase reversal */
|
|
|
1903 /* Slam the carrier frequency into line, based on the total phase drift over the last
|
|
|
1904 section. Use the shift from the odd bits and the shift from the even bits to get
|
|
|
1905 better jitter suppression. We need to scale here, or at the maximum specified
|
|
|
1906 frequency deviation we could overflow, and get a silly answer. */
|
|
|
1907 /* Step back a few symbols so we don't get ISI distorting things. */
|
|
|
1908 i = (s->training_count - 8) & ~1;
|
|
|
1909 /* Avoid the possibility of a divide by zero */
|
|
|
1910 if (i)
|
|
|
1911 {
|
|
|
1912 j = i & 0xF;
|
|
|
1913 ang = (s->angles[j] - s->start_angles[0])/i
|
|
|
1914 + (s->angles[j | 0x1] - s->start_angles[1])/i;
|
|
|
1915 s->carrier_phase_rate += 3*(ang/20);
|
|
|
1916 }
|
|
|
1917 span_log(&s->logging, SPAN_LOG_FLOW, "Coarse carrier frequency %7.2f\n", dds_frequencyf(s->carrier_phase_rate));
|
|
|
1918 /* Check if the carrier frequency is plausible */
|
|
|
1919 if (s->carrier_phase_rate < dds_phase_ratef(CARRIER_NOMINAL_FREQ - 20.0f)
|
|
|
1920 ||
|
|
|
1921 s->carrier_phase_rate > dds_phase_ratef(CARRIER_NOMINAL_FREQ + 20.0f))
|
|
|
1922 {
|
|
|
1923 span_log(&s->logging, SPAN_LOG_FLOW, "Training failed (sequence failed)\n");
|
|
|
1924 /* Park this modem */
|
|
|
1925 s->in_training = TRAINING_STAGE_PARKED;
|
|
|
1926 s->put_bit(s->user_data, PUTBIT_TRAINING_FAILED);
|
|
|
1927 break;
|
|
|
1928 }
|
|
|
1929 /* Make a step shift in the phase, to pull it into line. We need to rotate the equalizer
|
|
|
1930 buffer, as well as the carrier phase, for this to play out nicely. */
|
|
|
1931 p = angle*2.0f*3.14159f/(65536.0f*65536.0f);
|
|
|
1932 zz = complex_setf(cosf(p), -sinf(p));
|
|
|
1933 for (i = 0; i <= V29_EQUALIZER_MASK; i++)
|
|
|
1934 s->eq_buf[i] = complex_mulf(&s->eq_buf[i], &zz);
|
|
|
1935 s->carrier_phase += angle;
|
|
|
1936 /* We have just seen the first bit of the scrambled sequence, so skip it. */
|
|
|
1937 bit = scrambled_training_bit(s);
|
|
|
1938 s->training_count = 1;
|
|
|
1939 s->in_training = TRAINING_STAGE_TRAIN_ON_CDCD;
|
|
|
1940 break;
|
|
|
1941 }
|
|
|
1942 if (++s->training_count > V29_TRAINING_SEG_2_LEN)
|
|
|
1943 {
|
|
|
1944 /* This is bogus. There are not this many bauds in this section
|
|
|
1945 of a real training sequence. */
|
|
|
1946 span_log(&s->logging, SPAN_LOG_FLOW, "Training failed (sequence failed)\n");
|
|
|
1947 /* Park this modem */
|
|
|
1948 s->in_training = TRAINING_STAGE_PARKED;
|
|
|
1949 s->put_bit(s->user_data, PUTBIT_TRAINING_FAILED);
|
|
|
1950 }
|
|
|
1951 break;
|
|
|
1952 case TRAINING_STAGE_TRAIN_ON_CDCD:
|
|
|
1953 /* Train on the scrambled CDCD section. */
|
|
|
1954 bit = scrambled_training_bit(s);
|
|
|
1955 //span_log(&s->logging, SPAN_LOG_FLOW, "%5d %15.5f, %15.5f %15.5f, %15.5f\n", s->training_count, z.re, z.im, v29_constellation[cdcd_pos[s->training_cd + bit]].re, v29_constellation[cdcd_pos[s->training_cd + bit]].im);
|
|
|
1956 s->constellation_state = cdcd_pos[s->training_cd + bit];
|
|
|
1957 target = &v29_constellation[s->constellation_state];
|
|
|
1958 track_carrier(s, &z, target);
|
|
|
1959 tune_equalizer(s, &z, target);
|
|
|
1960 if (++s->training_count >= V29_TRAINING_SEG_3_LEN - 48)
|
|
|
1961 {
|
|
|
1962 s->in_training = TRAINING_STAGE_TRAIN_ON_CDCD_AND_TEST;
|
|
|
1963 s->training_error = 0.0f;
|
|
|
1964 s->carrier_track_i = 200.0f;
|
|
|
1965 s->carrier_track_p = 1000000.0f;
|
|
|
1966 }
|
|
|
1967 break;
|
|
|
1968 case TRAINING_STAGE_TRAIN_ON_CDCD_AND_TEST:
|
|
|
1969 /* Continue training on the scrambled CDCD section, but measure the quality of training too. */
|
|
|
1970 bit = scrambled_training_bit(s);
|
|
|
1971 //span_log(&s->logging, SPAN_LOG_FLOW, "%5d %15.5f, %15.5f %15.5f, %15.5f\n", s->training_count, z.re, z.im, v29_constellation[cdcd_pos[s->training_cd + bit]].re, v29_constellation[cdcd_pos[s->training_cd + bit]].im);
|
|
|
1972 s->constellation_state = cdcd_pos[s->training_cd + bit];
|
|
|
1973 target = &v29_constellation[s->constellation_state];
|
|
|
1974 track_carrier(s, &z, target);
|
|
|
1975 tune_equalizer(s, &z, target);
|
|
|
1976 /* Measure the training error */
|
|
|
1977 zz = complex_subf(&z, target);
|
|
|
1978 s->training_error += powerf(&zz);
|
|
|
1979 if (++s->training_count >= V29_TRAINING_SEG_3_LEN)
|
|
|
1980 {
|
|
|
1981 span_log(&s->logging, SPAN_LOG_FLOW, "Constellation mismatch %f\n", s->training_error);
|
|
|
1982 if (s->training_error < 100.0f)
|
|
|
1983 {
|
|
|
1984 s->training_count = 0;
|
|
|
1985 s->training_cd = 0;
|
|
|
1986 s->training_error = 0.0f;
|
|
|
1987 s->constellation_state = 0;
|
|
|
1988 s->in_training = TRAINING_STAGE_TEST_ONES;
|
|
|
1989 }
|
|
|
1990 else
|
|
|
1991 {
|
|
|
1992 span_log(&s->logging, SPAN_LOG_FLOW, "Training failed (convergence failed)\n");
|
|
|
1993 /* Park this modem */
|
|
|
1994 s->in_training = TRAINING_STAGE_PARKED;
|
|
|
1995 s->put_bit(s->user_data, PUTBIT_TRAINING_FAILED);
|
|
|
1996 }
|
|
|
1997 }
|
|
|
1998 break;
|
|
|
1999 case TRAINING_STAGE_TEST_ONES:
|
|
|
2000 /* We are in the test phase, where we check that we can receive reliably.
|
|
|
2001 We should get a run of 1's, 48 symbols (192 bits at 9600bps) long. */
|
|
|
2002 //span_log(&s->logging, SPAN_LOG_FLOW, "%5d %15.5f, %15.5f\n", s->training_count, z.re, z.im);
|
|
|
2003 decode_baud(s, &z);
|
|
|
2004 target = &v29_constellation[s->constellation_state];
|
|
|
2005 /* Measure the training error */
|
|
|
2006 zz = complex_subf(&z, target);
|
|
|
2007 s->training_error += powerf(&zz);
|
|
|
2008 if (++s->training_count >= V29_TRAINING_SEG_4_LEN)
|
|
|
2009 {
|
|
|
2010 if (s->training_error < 50.0f)
|
|
|
2011 {
|
|
|
2012 /* We are up and running */
|
|
|
2013 span_log(&s->logging, SPAN_LOG_FLOW, "Training succeeded (constellation mismatch %f)\n", s->training_error);
|
|
|
2014 s->put_bit(s->user_data, PUTBIT_TRAINING_SUCCEEDED);
|
|
|
2015 /* Apply some lag to the carrier off condition, to ensure the last few bits get pushed through
|
|
|
2016 the processing. */
|
|
|
2017 s->carrier_present = 60;
|
|
|
2018 s->in_training = TRAINING_STAGE_NORMAL_OPERATION;
|
|
|
2019 equalizer_save(s);
|
|
|
2020 s->carrier_phase_rate_save = s->carrier_phase_rate;
|
|
|
2021 s->agc_scaling_save = s->agc_scaling;
|
|
|
2022 }
|
|
|
2023 else
|
|
|
2024 {
|
|
|
2025 /* Training has failed */
|
|
|
2026 span_log(&s->logging, SPAN_LOG_FLOW, "Training failed (constellation mismatch %f)\n", s->training_error);
|
|
|
2027 /* Park this modem */
|
|
|
2028 s->put_bit(s->user_data, PUTBIT_TRAINING_FAILED);
|
|
|
2029 s->in_training = TRAINING_STAGE_PARKED;
|
|
|
2030 }
|
|
|
2031 }
|
|
|
2032 break;
|
|
|
2033 case TRAINING_STAGE_PARKED:
|
|
|
2034 default:
|
|
|
2035 /* We failed to train! */
|
|
|
2036 /* Park here until the carrier drops. */
|
|
|
2037 target = &z;
|
|
|
2038 break;
|
|
|
2039 }
|
|
|
2040 if (s->qam_report)
|
|
|
2041 s->qam_report(s->qam_user_data, &z, target, s->constellation_state);
|
|
|
2042 }
|
|
|
2043 /*- End of function --------------------------------------------------------*/
|
|
|
2044
|
|
|
2045 int v29_rx(v29_rx_state_t *s, const int16_t amp[], int len)
|
|
|
2046 {
|
|
|
2047 int i;
|
|
|
2048 int j;
|
|
|
2049 int step;
|
|
|
2050 complexf_t z;
|
|
|
2051 complexf_t zz;
|
|
|
2052 complexf_t sample;
|
|
|
2053 int32_t power;
|
|
|
2054 float v;
|
|
|
2055
|
|
|
2056 for (i = 0; i < len; i++)
|
|
|
2057 {
|
|
|
2058 s->rrc_filter[s->rrc_filter_step] =
|
|
|
2059 s->rrc_filter[s->rrc_filter_step + V29_RX_FILTER_STEPS] = amp[i];
|
|
|
2060 if (++s->rrc_filter_step >= V29_RX_FILTER_STEPS)
|
|
|
2061 s->rrc_filter_step = 0;
|
|
|
2062
|
|
|
2063 /* There should be no DC in the signal, but sometimes there is.
|
|
|
2064 We need to measure the power with the DC blocked, but not using
|
|
|
2065 a slow to respond DC blocker. Use the most elementary HPF. */
|
|
|
2066 power = power_meter_update(&(s->power), (amp[i] - s->last_sample) >> 1);
|
|
|
2067 s->last_sample = amp[i];
|
|
|
2068 if (s->carrier_present)
|
|
|
2069 {
|
|
|
2070 /* Look for power below turn-off threshold to turn the carrier off */
|
|
|
2071 if (power < s->carrier_off_power)
|
|
|
2072 {
|
|
|
2073 if (--s->carrier_present <= 0)
|
|
|
2074 {
|
|
|
2075 /* Count down a short delay, to ensure we push the last
|
|
|
2076 few bits through the filters before stopping. */
|
|
|
2077 v29_rx_restart(s, s->bit_rate, FALSE);
|
|
|
2078 s->put_bit(s->user_data, PUTBIT_CARRIER_DOWN);
|
|
|
2079 continue;
|
|
|
2080 }
|
|
|
2081 }
|
|
|
2082 }
|
|
|
2083 else
|
|
|
2084 {
|
|
|
2085 /* Look for power exceeding turn-on threshold to turn the carrier on */
|
|
|
2086 if (power < s->carrier_on_power)
|
|
|
2087 continue;
|
|
|
2088 s->carrier_present = 1;
|
|
|
2089 s->put_bit(s->user_data, PUTBIT_CARRIER_UP);
|
|
|
2090 }
|
|
|
2091 if (s->in_training != TRAINING_STAGE_PARKED)
|
|
|
2092 {
|
|
|
2093 /* Only spend effort processing this data if the modem is not
|
|
|
2094 parked, after training failure. */
|
|
|
2095 s->eq_put_step -= PULSESHAPER_COEFF_SETS;
|
|
|
2096 step = -s->eq_put_step;
|
|
|
2097 if (step > PULSESHAPER_COEFF_SETS - 1)
|
|
|
2098 step = PULSESHAPER_COEFF_SETS - 1;
|
|
|
2099 if (step < 0)
|
|
|
2100 step += PULSESHAPER_COEFF_SETS;
|
|
|
2101 zz.re = pulseshaper[step][0].re*s->rrc_filter[s->rrc_filter_step];
|
|
|
2102 for (j = 1; j < V29_RX_FILTER_STEPS; j++)
|
|
|
2103 zz.re += pulseshaper[step][j].re*s->rrc_filter[j + s->rrc_filter_step];
|
|
|
2104 sample.re = zz.re*s->agc_scaling;
|
|
|
2105
|
|
|
2106 /* Symbol timing synchronisation band edge filters */
|
|
|
2107 /* Low Nyquist band edge filter */
|
|
|
2108 v = s->symbol_sync_low[0]*SYNC_LOW_BAND_EDGE_COEFF_0 + s->symbol_sync_low[1]*SYNC_LOW_BAND_EDGE_COEFF_1 + sample.re;
|
|
|
2109 s->symbol_sync_low[1] = s->symbol_sync_low[0];
|
|
|
2110 s->symbol_sync_low[0] = v;
|
|
|
2111 /* High Nyquist band edge filter */
|
|
|
2112 v = s->symbol_sync_high[0]*SYNC_HIGH_BAND_EDGE_COEFF_0 + s->symbol_sync_high[1]*SYNC_HIGH_BAND_EDGE_COEFF_1 + sample.re;
|
|
|
2113 s->symbol_sync_high[1] = s->symbol_sync_high[0];
|
|
|
2114 s->symbol_sync_high[0] = v;
|
|
|
2115
|
|
|
2116 z = dds_complexf(&(s->carrier_phase), s->carrier_phase_rate);
|
|
|
2117
|
|
|
2118 /* Put things into the equalization buffer at T/2 rate. The symbol synchronisation
|
|
|
2119 will fiddle the step to align this with the symbols. */
|
|
|
2120 if (s->eq_put_step <= 0)
|
|
|
2121 {
|
|
|
2122 if (s->in_training == TRAINING_STAGE_SYMBOL_ACQUISITION)
|
|
|
2123 {
|
|
|
2124 /* Only AGC during the initial training */
|
|
|
2125 s->agc_scaling = (1.0f/PULSESHAPER_GAIN)*5.0f*0.72f/sqrtf(power);
|
|
|
2126 }
|
|
|
2127 /* Pulse shape while still at the carrier frequency, using a quadrature
|
|
|
2128 pair of filters. This results in a properly bandpass filtered complex
|
|
|
2129 signal, which can be brought directly to bandband by complex mixing.
|
|
|
2130 No further filtering, to remove mixer harmonics, is needed. */
|
|
|
2131 step = -s->eq_put_step;
|
|
|
2132 if (step > PULSESHAPER_COEFF_SETS - 1)
|
|
|
2133 step = PULSESHAPER_COEFF_SETS - 1;
|
|
|
2134 zz.im = pulseshaper[step][0].im*s->rrc_filter[s->rrc_filter_step];
|
|
|
2135 for (j = 1; j < V29_RX_FILTER_STEPS; j++)
|
|
|
2136 zz.im += pulseshaper[step][j].im*s->rrc_filter[j + s->rrc_filter_step];
|
|
|
2137 sample.re = zz.re*s->agc_scaling;
|
|
|
2138 sample.im = zz.im*s->agc_scaling;
|
|
|
2139 s->eq_put_step += PULSESHAPER_COEFF_SETS*10/(3*2);
|
|
|
2140 /* Shift to baseband - since this is done in a full complex form, the
|
|
|
2141 result is clean, and requires no further filtering, apart from the
|
|
|
2142 equalizer. */
|
|
|
2143 zz.re = sample.re*z.re - sample.im*z.im;
|
|
|
2144 zz.im = -sample.re*z.im - sample.im*z.re;
|
|
|
2145 process_half_baud(s, &zz);
|
|
|
2146 }
|
|
|
2147 }
|
|
|
2148 }
|
|
|
2149 return 0;
|
|
|
2150 }
|
|
|
2151 /*- End of function --------------------------------------------------------*/
|
|
|
2152
|
|
|
2153 void v29_rx_set_put_bit(v29_rx_state_t *s, put_bit_func_t put_bit, void *user_data)
|
|
|
2154 {
|
|
|
2155 s->put_bit = put_bit;
|
|
|
2156 s->user_data = user_data;
|
|
|
2157 }
|
|
|
2158 /*- End of function --------------------------------------------------------*/
|
|
|
2159
|
|
|
2160 int v29_rx_restart(v29_rx_state_t *s, int rate, int old_train)
|
|
|
2161 {
|
|
|
2162 switch (rate)
|
|
|
2163 {
|
|
|
2164 case 9600:
|
|
|
2165 s->training_cd = 0;
|
|
|
2166 break;
|
|
|
2167 case 7200:
|
|
|
2168 s->training_cd = 2;
|
|
|
2169 break;
|
|
|
2170 case 4800:
|
|
|
2171 s->training_cd = 4;
|
|
|
2172 break;
|
|
|
2173 default:
|
|
|
2174 return -1;
|
|
|
2175 }
|
|
|
2176 s->bit_rate = rate;
|
|
|
2177
|
|
|
2178 vec_zerof(s->rrc_filter, sizeof(s->rrc_filter)/sizeof(s->rrc_filter[0]));
|
|
|
2179 s->rrc_filter_step = 0;
|
|
|
2180
|
|
|
2181 s->scramble_reg = 0;
|
|
|
2182 s->training_scramble_reg = 0x2A;
|
|
|
2183 s->in_training = TRAINING_STAGE_SYMBOL_ACQUISITION;
|
|
|
2184 s->training_count = 0;
|
|
|
2185 s->carrier_present = 0;
|
|
|
2186 s->old_train = old_train;
|
|
|
2187
|
|
|
2188 s->carrier_phase = 0;
|
|
|
2189 s->carrier_track_i = 8000.0f;
|
|
|
2190 s->carrier_track_p = 8000000.0f;
|
|
|
2191
|
|
|
2192 power_meter_init(&(s->power), 4);
|
|
|
2193
|
|
|
2194 s->constellation_state = 0;
|
|
|
2195
|
|
|
2196 if (s->old_train)
|
|
|
2197 {
|
|
|
2198 s->carrier_phase_rate = s->carrier_phase_rate_save;
|
|
|
2199 s->agc_scaling = s->agc_scaling_save;
|
|
|
2200 equalizer_restore(s);
|
|
|
2201 }
|
|
|
2202 else
|
|
|
2203 {
|
|
|
2204 s->carrier_phase_rate = dds_phase_ratef(CARRIER_NOMINAL_FREQ);
|
|
|
2205 s->agc_scaling = 0.0005f;
|
|
|
2206 equalizer_reset(s);
|
|
|
2207 }
|
|
|
2208 s->eq_skip = 0;
|
|
|
2209 s->last_sample = 0;
|
|
|
2210
|
|
|
2211 /* Initialise the working data for symbol timing synchronisation */
|
|
|
2212 s->symbol_sync_low[0] = 0.0f;
|
|
|
2213 s->symbol_sync_low[1] = 0.0f;
|
|
|
2214 s->symbol_sync_high[0] = 0.0f;
|
|
|
2215 s->symbol_sync_high[1] = 0.0f;
|
|
|
2216 s->symbol_sync_dc_filter[0] = 0.0f;
|
|
|
2217 s->symbol_sync_dc_filter[1] = 0.0f;
|
|
|
2218 s->baud_phase = 0.0f;
|
|
|
2219 s->baud_half = 0;
|
|
|
2220
|
|
|
2221 s->total_baud_timing_correction = 0;
|
|
|
2222
|
|
|
2223 return 0;
|
|
|
2224 }
|
|
|
2225 /*- End of function --------------------------------------------------------*/
|
|
|
2226
|
|
|
2227 v29_rx_state_t *v29_rx_init(v29_rx_state_t *s, int rate, put_bit_func_t put_bit, void *user_data)
|
|
|
2228 {
|
|
|
2229 if (s == NULL)
|
|
|
2230 {
|
|
|
2231 if ((s = (v29_rx_state_t *) malloc(sizeof(*s))) == NULL)
|
|
|
2232 return NULL;
|
|
|
2233 }
|
|
|
2234
|
|
|
2235 memset(s, 0, sizeof(*s));
|
|
|
2236 s->put_bit = put_bit;
|
|
|
2237 s->user_data = user_data;
|
|
|
2238 /* The V.29 spec says the thresholds should be -31dBm and -26dBm, but that makes little
|
|
|
2239 sense. V.17 uses -48dBm and -43dBm, and there seems no good reason to cut off at a
|
|
|
2240 higher level (though at 9600bps and 7200bps, TCM should put V.17 sensitivity several
|
|
|
2241 dB ahead of V.29). */
|
|
|
2242 /* The thresholds should be on at -26dBm0 and off at -31dBm0 */
|
|
|
2243 v29_rx_signal_cutoff(s, -28.5f);
|
|
|
2244 span_log_init(&s->logging, SPAN_LOG_NONE, NULL);
|
|
|
2245 span_log_set_protocol(&s->logging, "V.29");
|
|
|
2246
|
|
|
2247 v29_rx_restart(s, rate, FALSE);
|
|
|
2248 return s;
|
|
|
2249 }
|
|
|
2250 /*- End of function --------------------------------------------------------*/
|
|
|
2251
|
|
|
2252 int v29_rx_release(v29_rx_state_t *s)
|
|
|
2253 {
|
|
|
2254 free(s);
|
|
|
2255 return 0;
|
|
|
2256 }
|
|
|
2257 /*- End of function --------------------------------------------------------*/
|
|
|
2258
|
|
|
2259 void v29_rx_set_qam_report_handler(v29_rx_state_t *s, qam_report_handler_t *handler, void *user_data)
|
|
|
2260 {
|
|
|
2261 s->qam_report = handler;
|
|
|
2262 s->qam_user_data = user_data;
|
|
|
2263 }
|
|
|
2264 /*- End of function --------------------------------------------------------*/
|
|
|
2265 /*- End of file ------------------------------------------------------------*/
|
