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annotate m-toolbox/test/test_ltpda_nfest.m @ 43:bc767aaa99a8

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CVS Update
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Tue, 06 Dec 2011 11:09:25 +0100
parents f0afece42f48
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % TEST_LTPDA_NFEST tests the ltpda_nfest noise-floor estimator.
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2 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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3 % M Hewitson 14-05-07
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4 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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5 % $Id: test_ltpda_nfest.m,v 1.14 2009/02/02 15:20:37 hewitson Exp $
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6 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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7 function test_ltpda_nfest()
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8
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9
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10 nsecs = 10000;
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11 fs = 10;
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12 pl = plist('nsecs', nsecs, 'fs', fs, 'tsfcn', 'sin(2*pi*0.433*t) + 10*sin(2*pi*0.021*t) + randn(size(t))');
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13 x12 = ao(pl);
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14
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15 % Make spectrum
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16
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17 pl = plist('Nfft', '100*fs');
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18 x12xx = psd(x12, pl);
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19
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20 % Make noise-floor estimate
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21 pl = plist('bw', 128);
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22 x12nf = smoother(x12xx, pl)
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23
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24 % Plot
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Daniele Nicolodi <nicolodi@science.unitn.it>
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25 iplot([x12xx x12nf])
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26
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27
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28 % Rebuild from history
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29 a_out = rebuild(x12nf);
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30
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31 iplot(a_out)
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32 plot(a_out.hist)
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33
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34 end
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35 % END
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