Algorithms Example 1

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Algorithms Example 1

A command line pipeline that does some heterodyne mixing and calculates a power spectrum to generate a waterfall plot.[1]

cat ~/Data/2010-04-02-amc7-3693.4464-8bit-one-second.dat | ./sqsample -l 4096 | ./sqmix -c 1401.0 | ./sqwindow -l 4096 | ./sqfft -l 4096 | ./sqpower -l 4096 | ./sqreal -l 4096 | perl -e 'while(read(STDIN,$bfr,4096*4)==4096*4) {syswrite(STDOUT,$bfr,1024*4,1536*4)}' | ./sqpnm -c 1024 -r 1200 -p > out.pgm

Example-wf-perlsection.png

References

  1. http://irc.sigblips.com/setiQuest/2011/setiquest.05-27-2011.log
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