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comparison m-toolbox/test/test_ltpda_cohere.m @ 0:f0afece42f48

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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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1 % Test ltpda_cohere functionality.
2 %
3 % M Hewitson 13-02-07
4 %
5 % $Id: test_ltpda_cohere.m,v 1.22 2009/04/07 17:45:22 ingo Exp $
6 %
7 function test_ltpda_cohere()
8
9
10 % Make test AOs
11 nsecs = 10;
12 fs = 1000;
13
14 pl = plist('nsecs', nsecs, 'fs', fs, 'tsfcn', 'sin(2*pi*7.433*t) + randn(size(t))');
15 a1 = ao(pl);
16 a2 = ao(pl);
17
18 % Filter one time-series
19
20 % Make a filter
21 pl = plist('type', 'bandpass', 'fs', 1000, 'order', 3, 'fc', [50 250]);
22 f2 = miir(pl);
23
24 % filter the input data
25 [a3, f2] = filter(a1, plist('filter', f2));
26
27 % make some cross-power
28 a4 = 5.*a3+a2;
29
30 % Make coherence
31 a8 = cohere(a4, a1, plist('Nfft', 2000));
32
33 % Plot results and history
34
35 iplot(a8, plist('YScales', 'lin'));
36 plot(a8.hist);
37
38 % Reproduce from history
39 a_out = rebuild(a8);
40 b = a_out;
41
42 iplot(b)
43 plot(b.hist)
44
45 end