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annotate m-toolbox/test/test_ao_cohere.m @ 38:3aef676a1b20 database-connection-manager

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Keep backtrace on error
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
children
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % Test ao/cohere functionality.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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2 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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3 % M Hewitson 08-05-08
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Daniele Nicolodi <nicolodi@science.unitn.it>
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4 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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5 % $Id: test_ao_cohere.m,v 1.6 2009/04/07 17:45:22 ingo Exp $
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Daniele Nicolodi <nicolodi@science.unitn.it>
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6 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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7 function test_ao_cohere()
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Daniele Nicolodi <nicolodi@science.unitn.it>
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8
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Daniele Nicolodi <nicolodi@science.unitn.it>
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9 % Make test AOs
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Daniele Nicolodi <nicolodi@science.unitn.it>
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10
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Daniele Nicolodi <nicolodi@science.unitn.it>
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11 nsecs = 10;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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12 fs = 1000;
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13
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Daniele Nicolodi <nicolodi@science.unitn.it>
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14 pl = plist('nsecs', nsecs, 'fs', fs, 'tsfcn', 'sin(2*pi*7.433*t) + randn(size(t))');
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15
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Daniele Nicolodi <nicolodi@science.unitn.it>
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16 a1 = ao(pl);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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17 a2 = ao(pl);
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18
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Daniele Nicolodi <nicolodi@science.unitn.it>
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19 % Filter one time-series
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Daniele Nicolodi <nicolodi@science.unitn.it>
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20 % Make a filter
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Daniele Nicolodi <nicolodi@science.unitn.it>
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21 pl = plist('type', 'bandpass', 'fs', 1000, 'order', 3, 'fc', [50 250]);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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22 f2 = miir(pl);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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23
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Daniele Nicolodi <nicolodi@science.unitn.it>
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24 % filter the input data
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Daniele Nicolodi <nicolodi@science.unitn.it>
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25 [a3, f2] = filter(a1,plist('filter', f2));
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Daniele Nicolodi <nicolodi@science.unitn.it>
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26
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Daniele Nicolodi <nicolodi@science.unitn.it>
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27 % make some cross-power
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Daniele Nicolodi <nicolodi@science.unitn.it>
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28 a4 = a3+a2;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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29 a4.setName;
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30
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Daniele Nicolodi <nicolodi@science.unitn.it>
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31 % Make cohere from a6 to a7
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Daniele Nicolodi <nicolodi@science.unitn.it>
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32 Nfft = 1000*2;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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33 win = specwin('Hanning', Nfft);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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34 pl = plist('Nfft', Nfft, 'Win', win, 'order', 2);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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35 a8 = cohere(a4, a1, pl);
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36
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37
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Daniele Nicolodi <nicolodi@science.unitn.it>
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38 % Do with MATLAB
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Daniele Nicolodi <nicolodi@science.unitn.it>
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39 [cxy, f] = mscohere(a4.data.y, a1.data.y, win.win, Nfft/2, Nfft, a1.data.fs);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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40 a9 = ao(fsdata(f, cxy));
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41
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Daniele Nicolodi <nicolodi@science.unitn.it>
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42 % Plot
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Daniele Nicolodi <nicolodi@science.unitn.it>
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43 iplot(a8, a9, plist('YScales', 'lin', 'LineStyles', {'', '--'}))
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Daniele Nicolodi <nicolodi@science.unitn.it>
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44
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Daniele Nicolodi <nicolodi@science.unitn.it>
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45 end