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diff 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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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dsp/freqscale.m	Sun Jan 20 13:48:47 2013 +0000
@@ -0,0 +1,8 @@
+function f=freqscale(N,m,fs)
+% freqscale - return frequency scale for FFT analysis
+%
+%    FREQSCALE(N,m,fs): frequency scale for the first m bins of an N-pt FT, 
+%			with a sampling rate=fs, defaults to 1.
+
+if nargin<2, fs=1; end
+f=fs*(0:(m-1))/N;