comparison spandsp-0.0.3/spandsp-0.0.3/tests/echo_dump.m @ 5:f762bf195c4b

import spandsp-0.0.3
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 25 Jun 2010 16:00:21 +0200
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4:26cd8f1ef0b1 5:f762bf195c4b
1 % echo_dump.m
2 % David Rowe 23 Dec 2006
3 %
4 % Plots echo can dump file values
5
6 load dump.txt
7 load level.txt
8 st = 1;
9 en = length(dump);
10 %st=8000*0+1; en=8000*2;
11 tx = dump(st:en,1);
12 rx = dump(st:en,2);
13 ec = dump(st:en,4);
14 Ltx = dump(st:en,5);
15 Lrx = dump(st:en,6);
16 Lec = dump(st:en,7);
17 dtd = -9900 + 800*dump(st:en,8);
18 adapt = -9900 + 800*dump(st:en,9);
19 Lbgec = dump(st:en,10);
20
21 figure(1);
22 plot(tx,"r;tx;", rx,"g;rx;", ec,"b;ec;", dtd,"g;dtd;");
23 %plot(tx,"r;tx;", rx,"g;rx;", dtd,"w;dtd;");
24 axis([0 en-st -1E4 1E4]);
25
26 %__gnuplot_set__ terminal png size 450,338
27 %__gnuplot_set__ output "~/Desktop/fxo_oslec.png"
28 %__gnuplot_set__ terminal png size 800,600
29 %__gnuplot_set__ output "~/Desktop/fxo_oslec_large.png"
30 %replot;
31
32 LtxdB = 20*log10(Ltx+1);
33 LrxdB = 20*log10(Lrx+1);
34 LecdB = 20*log10(Lec+1);
35 LbgecdB = 20*log10(Lbgec+1);
36
37 figure(2);
38 plot(LtxdB,"r;LtxdB;", LrxdB,"g;LrxdB;", LtxdB-LrxdB,"w;LtxdB-LrxdB;", LtxdB-LecdB,"b;LtxdB-LecdB;", 80+5*dump(st:en,9), "w;adapt;", LtxdB-LbgecdB,"c;LtxdB-LbgecdB;", 90+5*dump(st:en,8), "r;dtd;");
39 axis([0 en-st 0 100]);
40 grid;
41
42 %__gnuplot_set__ terminal png size 800,600
43 %__gnuplot_set__ output "~/Desktop/levels.png"
44 %replot;
45
46 figure(3);
47 LRin = level(st:en,1);
48 LSin = level(st:en,2);
49 LSout = level(st:en,3);
50 LSgen = level(st:en,4);
51 axis([0 en-st -100 0]);
52 plot(LRin,"r;LRindB;", LSin,"g;LSindB;", LSout,"w;LSoutdB;", LSgen,"b;LSgendB;");
53
54 figure(4)
55 plot(dump(st:en,11), "r;Pstates;")
56 axis
57 figure(5)
58 plot(dump(st:en,12), "g;factor;")
59 figure(6)
60 plot(dump(st:en,13), "g;shift;")

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