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annotate m-toolbox/test/test_miir_filtfilt.m @ 5:5a49956df427 database-connection-manager

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LTPDAPreferences panel for new LTPDADatabaseConnectionManager
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 the filtfilt function for the miir class.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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2 %
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3 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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4 % M Hewitson 02-03-07
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5 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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6 % $Id: test_miir_filtfilt.m,v 1.18 2009/04/07 17:45:22 ingo Exp $
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7 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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8 function test_miir_filtfilt()
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9
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Daniele Nicolodi <nicolodi@science.unitn.it>
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10 % make a bandpass filter
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Daniele Nicolodi <nicolodi@science.unitn.it>
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11 pl = plist('type', 'bandpass', 'fs', 1000, 'fc', [50 100], 'order', 3);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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12 f = miir(pl);
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13
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14 % Make an analysis object
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15 nsecs = 10;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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16 fs = 1000;
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17
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18 pl = plist('nsecs', nsecs, 'fs', fs, 'tsfcn', 'randn(size(t))');
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19
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20 a1 = ao(pl);
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21
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Daniele Nicolodi <nicolodi@science.unitn.it>
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22 % Filter the input data
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Daniele Nicolodi <nicolodi@science.unitn.it>
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23 [a2, f] = filtfilt(a1, plist('filter', f));
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24
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Daniele Nicolodi <nicolodi@science.unitn.it>
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25 % Plot time-series
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Daniele Nicolodi <nicolodi@science.unitn.it>
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26 iplot(a1, a2)
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27
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28 % Make TF
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Daniele Nicolodi <nicolodi@science.unitn.it>
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29 a3 = tfe(a1,a2);
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30 b = a3;
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31
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32 % Plot TF
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Daniele Nicolodi <nicolodi@science.unitn.it>
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33 iplot(b)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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34 plot(b.hist)
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35
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Daniele Nicolodi <nicolodi@science.unitn.it>
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36 % Reproduce from history
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Daniele Nicolodi <nicolodi@science.unitn.it>
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37 a_out = rebuild(b);
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38
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39 iplot(a_out)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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40 plot(a_out.hist)
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41
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42 end