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annotate m-toolbox/classes/@mfir/mklowpass.m @ 50:7d2e2e065cf1 database-connection-manager

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Update unit tests
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 07 Dec 2011 17:24:37 +0100
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1 % MKLOWPASS return a low pass filter mfir().
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: MKLOWPASS return a low pass filter mfir().
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5 %
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6 % CALL: f = mklowpass(f, pl)
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7 %
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8 % VERSION: $Id: mklowpass.m,v 1.8 2011/04/04 11:37:02 hewitson Exp $
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9 %
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10 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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11
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12 function f = mklowpass(f, pl)
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14 g = find(pl, 'gain');
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15 fc = find(pl, 'fc');
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16 fs = find(pl, 'fs');
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17 order = find(pl, 'order');
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18 win = find(pl, 'Win');
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20 utils.helper.checkFilterOptions(pl);
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21
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22 f.name = 'lowpass';
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23 f.fs = fs;
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24 f.a = g.*fir1(order, 2*fc(1)/fs, 'low', win.win);
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25 f.gd = (f.ntaps-1)/2;
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26 f.histout = zeros(1,f.ntaps-1); % initialise output history
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27 end
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