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comparison m-toolbox/test/test_ao_ltfe.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 % function test_ao_ltfe()
2 % Test tfe functionality.
3 %
4 % M Hewitson 13-02-07
5 %
6 % $Id: test_ao_ltfe.m,v 1.1 2009/03/26 08:48:10 miquel Exp $
7 %
8
9 %% Make test AOs
10
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
16 a1 = ao(pl);
17 a1 = a1.setName('input');
18
19 pl = plist('nsecs', nsecs, 'fs', fs, 'tsfcn', 'sin(2*pi*17.433*t) + 10*randn(size(t))');
20
21 a3 = ao(pl);
22 a3 = a1.setName('input');
23
24 %% Filter one time-series
25
26 % Make a filter
27 f1 = miir(plist('type', 'highpass', 'fc', 20, 'fs', fs));
28
29 % Filter the input data
30 [a2, f1] = filter(a1,plist('filter', f1));
31
32
33 %% Make TF from a1 to a
34
35 pl = plist('win', 'Hanning', 'order', -1,'Variance','yes');
36 t1 = ltfe(a1,a2,pl);
37
38 %% Use MATLAB directly
39
40 [txy, f] = tfestimate(a1.data.y, a2.data.y, win.win, Nfft/2, Nfft, a1.data.fs);
41 t2 = ao(fsdata(f.', txy.'));
42
43 %% Plot
44
45 iplot(t1, t2, plist('LineStyles', {'', '--'},'YErrU',{t1.data.dy,''}))
46 % iplot(t1(1,2)./t2')
47