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In signal processing, sampling is the reduction of a continuous-domain signal to a discrete-domain signal.

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Suppose I have a multitone signal (six carriers, at ±1/1000, ±2/1000 and ±7/1000 of sampling frequency) x = (1:1000); wave = sin(x/1000*2*pi) + sin(x/1000*2*pi*2) + sin(x/1000*2*pi*7); which is …
answered Jul 16 '12 by Simon Richter