Re: How calculate the frequence of signal

Unless your signal is pure sinusoidal, you can not calculate 'the frequency'
of a signal mathematically. You can find the frequencies or the range of
frequency using FFT analysis (>> help fft in MATLAB).

If you do have a pure sinusoidal signal, you can measure the frequency by
measuring the neiborghing zero-crossing points of the signal, then do an
inverse on the period.

HTH
GZ




"Abdelhamid." <jabrane1983@xxxxxxxxx> wrote in message
news:92d6d016-f6a1-4f10-83f7-4e56b2783963@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Hi everyone,

How can I calculate the frequence of signal in MATLAB ?

Thanks.


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