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38

answers:

1
+2  Q: 

Matlab - Determine signal frequency

I am trying to determine the frequency of a signal given as a vector in Matlab. Any idea how to do it ?

+3  A: 

use fft() function in Matlab.

This contains both the phase and amplitude, to get the amplitude only you can use abs(fft(..))

VoodooChild  2010-06-24 18:13:04
Doh, I was so close. Thanks VoodooChild!
hyperboreean  2010-06-24 19:11:36

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