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Discussion Groups | Matlab DSP | matlab FFT and time shift
Technical discussion about Matlab and issues related to Digital Signal Processing.
matlab FFT and time shift - Author Unknown - May 4 7:10:00 2001
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Hi everybody! if anybody can answer to that (would be really helpful..): how to time shift (ts) a real signal (N samples, T time period, dt sample rate) using matlab: timeshift signal = ifft (fft(signal)*exp(2i.pi.f.ts)) ??? and then what is 'f' in the equation? is it the vector: f = [0:(length(fft(signal))-1)*df] with df = 1/(N*T)??? thanks M. |
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