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annotate m-toolbox/classes/@tsdata/setFs.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 % SETFS Set the property 'fs'.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: Set the property 'fs'.
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5 %
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6 % CALL: obj.setFs(12);
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7 % obj = obj.setFs(12); create copy of the object
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8 %
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9 % INPUTS: obj - must be a single data2D object.
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10 %
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11 % VERSION: $Id: setFs.m,v 1.5 2011/09/29 12:09:24 ingo Exp $
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12 %
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13 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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14
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15 function varargout = setFs(varargin)
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16
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17 obj = varargin{1};
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18 val = varargin{2};
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19
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20 % decide whether we modify the pz-object, or create a new one.
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21 obj = copy(obj, nargout);
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22
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23 % set 'fs'
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24 obj.fs = val;
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25
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26 % Now we can set nsecs
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27 if ~isempty(obj.x)
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28 % Then we have unevenly sampled data and the data duration
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29 % is taken as x(end) - x(1);
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30 obj.setNsecs(obj.x(end)-obj.x(1) + 1/obj.fs);
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31 else
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32 if ~isempty(obj.y)
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33 % Then the data is evenly sampled and the
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34 % duration of the data is easily computed.
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35 Ndata = length(obj.y);
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36 obj.setNsecs(Ndata / obj.fs);
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37 end
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38 end
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39
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40 varargout{1} = obj;
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41 end
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42
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