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annotate dsp/freqscale.m @ 32:c3b0cd708782

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Imported core dsp tools.
author samer
date Sun, 20 Jan 2013 13:48:47 +0000
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samer@32 1 function f=freqscale(N,m,fs)
samer@32 2 % freqscale - return frequency scale for FFT analysis
samer@32 3 %
samer@32 4 % FREQSCALE(N,m,fs): frequency scale for the first m bins of an N-pt FT,
samer@32 5 % with a sampling rate=fs, defaults to 1.
samer@32 6
samer@32 7 if nargin<2, fs=1; end
samer@32 8 f=fs*(0:(m-1))/N;