FFT in Matlab and computation of mean frequency

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I've a .mat file within a signal sampled at 1000Hz. I need an algorithm that visualizes the spectrum and returns mean frequency.
I tried to do the fft but I don't understand how to continue and get components amplitude and their frequency for mean frequency computation.

Answers (1)

Rick Rosson
Rick Rosson on 17 Sep 2011
Please try searching MATLAB Answers. This question has been asked and answered multiple times:

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