Mercurial > hg > ltpda

annotate m-toolbox/classes/@pzmodel/respCore.m @ 31:a26669b59d7e database-connection-manager

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Update LTPDAworkbench
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % RESPCORE returns the complex response of one pzmodel object.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: RESPCORE returns the complex response of one pzmodel object
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5 % as a data-vector. This function should only be used by the
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6 % resp method of the ltpda_tf class.
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7 %
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8 % CALL: r = respCore(obj, f);
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9 %
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10 % VERSION: $Id: respCore.m,v 1.3 2010/03/15 15:49:53 ingo Exp $
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11 %
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12 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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13
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14 function r = respCore(varargin)
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15
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16 %%% Get Inputs
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17 obj = varargin{1};
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18 f = varargin{2}; % Row vector
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19
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20 gain = obj.gain;
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21 poles = obj.poles;
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22 zeros = obj.zeros;
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23 delay = obj.delay;
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24 np = numel(poles);
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25 nz = numel(zeros);
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26
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27 %%% Compute response
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28 r = gain*ones(size(f));
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29
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30 for j=1:np
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31 if ~isnan(poles(j).f)
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32 [f, pr] = resp(poles(j),f);
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33 r = r .* pr;
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34 end
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35 end
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36
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37 for j=1:nz
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38 if ~isnan(zeros(j).f)
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39 [f, zr] = resp(zeros(j),f);
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40 r = r ./zr;
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41 end
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42 end
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43
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44 r = r .* exp(-2*pi*f*1i*delay); % Row vector
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45
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46 end
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