How can I compute fourier coefficient?

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Ghazal Hnr
Ghazal Hnr il 10 Mar 2017
Commentato: Ghazal Hnr il 10 Mar 2017
Hi I have a pulse and I want to compute the first 20 fourier coefficient of it. Would anyone help me to do this?

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Image Analyst
Image Analyst il 10 Mar 2017
f = fft(yourSignal);
f20 = f(1:20); % Extract first 20 coefficients.

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