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annotate m-toolbox/test/make_test_ascii_file.m @ 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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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 function make_test_ascii_file(name, Nsecs, fs)
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2
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3 % Make a test ascii file with the name 'name.txt' containing a time-series
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Daniele Nicolodi <nicolodi@science.unitn.it>
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4 % of random noise, N seconds long sampled at fs Hz.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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5 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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6 % >> make_test_ascii_file(name, Nsecs, fs)
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7 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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8 % M Hewitson 01-02-07
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9 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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10 % $Id: make_test_ascii_file.m,v 1.3 2007/02/11 19:51:11 hewitson Exp $
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11 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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12
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Daniele Nicolodi <nicolodi@science.unitn.it>
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13 % create test data
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Daniele Nicolodi <nicolodi@science.unitn.it>
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14 t = linspace(0, Nsecs-1/fs, Nsecs*fs);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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15 x = randn(1,Nsecs*fs) + 2*sin(2*pi*45.*t);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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16 out = [t;x].';
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17
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Daniele Nicolodi <nicolodi@science.unitn.it>
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18 % Save data as ascii file
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Daniele Nicolodi <nicolodi@science.unitn.it>
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19 filename = sprintf('%s.txt', name);
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20 save(filename, 'out', '-ASCII', '-DOUBLE', '-TABS');