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How can I time shift (ts) a real signal (N samples, T time period, dt

sample rate, Fs sampling frequency) using matlab:

Timeshift signal = ifft (fft(signal)*exp(2*i*pi*Fs*ts)) ???

I am trying to do it this way and it is not working?

For example how would you shift a Cos signal to fit on a Sin signal ( Phase shift of pi/2 or time shift of ts)

Thanks.

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# FFT time shift using Matlab

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