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comparison m-toolbox/test/pipelines/test_ao_fft.lwb @ 0:f0afece42f48

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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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-1:000000000000 0:f0afece42f48
1 <?xml version="1.0" encoding="UTF-8"?>
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3 <document UUID="4aa71a1c-e0fd-46e4-8361-4d39a6f19e48" title="Test AO fft" visible="true" windowHeight="1045" windowState="maximized" windowWidth="1429" windowX="0" windowY="0">
4 <canvas name="Test AO fft" zoomFactor="1.0">
5 <CanvasInfo author="hewitson" created="2009-01-31 13:12:33" description="Test the fft method of the AO class." lastModified="2011-04-27 09:04:53"/>
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56 </node>
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58 <LTPDAalgorithm mcategory="Signal Processing" mclass="ao" mname="fft" mpackage="" mversion="" portdims="1 -1 1 -1"/>
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99 <LTPDAalgorithm mcategory="Arithmetic Operator" mclass="ao" mname="power" mpackage="" mversion="" portdims="1 -1 1 -1"/>
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118 </ParamValue>
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122 <Option javaType="java.lang.String" matlabType="char" value="specwin('Rectangular', -1)"/>
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127 <Option javaType="java.lang.String" matlabType="char" value="-1"/>
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132 <Option javaType="java.lang.String" matlabType="char" value="PSD"/>
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157 </port>
158 <LTPDAalgorithm mcategory="Arithmetic Operator" mclass="ao" mname="rdivide" mpackage="" mversion="" portdims="2 -1 1 -1"/>
159 <plist UUID="80167ac1-26d3-450b-8e54-20f02a55d365" created="-1" description="" name="none"/>
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166 </port>
167 <LTPDAalgorithm mcategory="Output" mclass="ao" mname="iplot" mpackage="" mversion="" portdims="1 -1 0 -1"/>
168 <plist UUID="ad48913d-e90d-40c3-a27f-0889fb7c7baf" created="-1" description="" name="none"/>
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170 <matblock UUID="65ae2281-fbba-4ced-b919-22e13aa5c03b" bounds="140 217 60 60" commentedOut="false" expression="2" keepResult="true" keepresult="true" name="two">
171 <port UUID="74188127-e5c7-403c-ad41-4fbf11d9fa26" bounds="0 0 10 10" name="" number="0" terminal="" type="output">
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177 <annotation UUID="bc8683ac-0345-403b-a3fd-9f04eeaca845" backgroundColor="255 255 255" bounds="399 19 445 512" fontName="Times" fontSize="15" fontStyle="0" foregroundColor="51 204 0" name="" text="function test_fft()&#xA;% Test fft() operator for AOs.&#xA;%&#xA;% M Hewitson 19-04-07&#xA;% &#xA;% $Id: test_ao_fft.lwb,v 1.4 2011/04/27 07:05:20 hewitson Exp $&#xA;% &#xA;&#xA;&#xA;%% Make test AOs&#xA;&#xA;nsecs = 10;&#xA;fs = 1000;&#xA;&#xA;pl = plist('nsecs', nsecs, 'fs', fs, 'tsfcn', 'sin(2*pi*7.433*t) + randn(size(t))');&#xA;&#xA;a1 = ao(pl);&#xA;a1 = a1.setName;&#xA;&#xA;&#xA;%% Take abs&#xA;&#xA;a2 = abs(fft((a1))).^2;&#xA;a3 = psd(a1, plist('Nfft', 10000, 'Win', specwin('Rectangular', 10000)));&#xA;&#xA;%% Plot&#xA;rat = a2./a3;&#xA;&#xA;%%&#xA;iplot(rat, plist('YScales', 'lin'))&#xA;iplot(a2,a3)&#xA;&#xA;%% Two-sided fft&#xA;a4 = fft(a1, plist('type', 'two'));&#xA;iplot(abs(a4), plist('XScales', {'All', 'lin'}));&#xA;&#xA;&#xA;% END"/>
178 </canvas>
179 </document>
180 <ExecutionPlan/>
181 </LTPDAworkbench>