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annotate m-toolbox/classes/@mfir/fromPzmodel.m @ 0:f0afece42f48

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Import.
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % Construct an mfir from a pzmodel
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % FUNCTION: fromPzmodel
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5 %
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6 % DESCRIPTION: Construct an mfir from a pzmodel
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7 %
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8 % CALL: f = fromPzmodel(f, pli)
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9 %
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10 % PARAMETER: type: String with filter type description
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11 % pli: Parameter list object
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12 %
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13 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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14
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15 function f = fromPzmodel(f, pli)
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16
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17 VERSION = '$Id: fromPzmodel.m,v 1.15 2011/08/15 11:43:01 hewitson Exp $';
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18 ii = mfir.getInfo('mfir', 'From Pzmodel');
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19 % Set the method version string in the minfo object
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20 ii.setMversion([VERSION '-->' ii.mversion]);
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21
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22 % Add default values
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23 pl = applyDefaults(ii.plists, pli);
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24
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25 % Get parameters
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26 pzm = find(pl, 'pzmodel');
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27 fs = find(pl, 'fs');
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28
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29 if isempty(fs)
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30 % get max freq in pzmodel
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31 fs = 8*getupperFreq(pzm);
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32 warning([sprintf('!!! no sample rate specified. Designing for fs=%2.2f Hz.', fs)...
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33 sprintf('\nThe filter will be redesigned later when used.')]);
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34 end
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35 % make MIIR filter
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36 f = tomfir(pzm, plist('fs', fs));
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37
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38 % override default input plist values
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39 if isempty(pl.find('name'))
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40 pl.pset('name', sprintf('fir(%s)', pzm.name));
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41 end
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42 if isempty(pl.find('description'))
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43 pl.pset('description', pzm.description);
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44 end
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45 if isempty(pl.find('iunits'))
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46 pl.pset('iunits', pzm.iunits);
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47 end
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48 if isempty(pl.find('ounits'))
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49 pl.pset('ounits', pzm.ounits);
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50 end
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51
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52 % Add history
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53 f.addHistory(ii, pl, [], pzm.hist);
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54
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55 % Set remaining properties
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56 f.setObjectProperties(pl);
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57
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58 end % End fromPzmodel