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annotate m-toolbox/classes/@pzmodel/fromPolesAndZeros.m @ 41:6def6533cb16 database-connection-manager

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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 18:04:34 +0100
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1 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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2 %
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3 % FUNCTION: fromPolesAndZeros
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4 %
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5 % DESCRIPTION: Construct a pzmodel from poles and zeros
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6 %
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7 % CALL: pzm = fromPolesAndZeros(a, pl)
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8 %
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9 % PARAMETER: pl - plist
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10 %
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11 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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12 function pzm = fromPolesAndZeros(pzm, pli)
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13
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14 VERSION = '$Id: fromPolesAndZeros.m,v 1.20 2011/08/15 10:10:33 hewitson Exp $';
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15
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16
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17 % get pzmodel info
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18 ii = pzmodel.getInfo('pzmodel', 'From Poles/Zeros');
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19
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20 % Set the method version string in the minfo object
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21 ii.setMversion([VERSION '-->' ii.mversion]);
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22
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23 % Combine input plist with default values
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24 pl = applyDefaults(ii.plists, pli);
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25
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26 % Set fields
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27 pzm.gain = find(pl, 'gain');
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28 ps = find(pl, 'poles');
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29 zs = find(pl, 'zeros');
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30
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31 % If the poles/zeros in the plist are no pz-objects then convert them
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32 if ~isa(ps, 'pz') && ~isempty(ps)
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33 ps = pz(ps);
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34 end
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35 if ~isa(zs, 'pz') && ~isempty(zs)
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36 zs = pz(zs);
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37 end
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38
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39 % Add only valid poles
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40 poles = [];
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41 for kk = 1:numel(ps)
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42 if ~isnan(ps(kk).f)
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43 poles = [poles ps(kk)];
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44 end
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45 end
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46 pl.pset('poles', poles);
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47
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48 % Add only valid zeros
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49 zeros = [];
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50 for kk = 1:numel(zs)
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51 if ~isnan(zs(kk).f)
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52 zeros = [zeros zs(kk)];
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53 end
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54 end
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55 pl.pset('zeros', zeros);
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56
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57 % Set object properties from input plist
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58 pzm.setObjectProperties(pl);
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59
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60 % Add history
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61 pzm.addHistory(ii, pl, [], []);
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62
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63 end