[Help-gsl] power spectrum

[Eric Germaneau]

Hello,

I'm trying to compute the power spectrum of a real array (i.e. the 
squares of the absolute values of the DFT amplitudes).
Does someone as any experience with this?
What about frequencies?
Thanks in advance,

            Eric.
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Eric Germaneau <http://lcr.epfl.ch/page37437.html> 
<http://lcr.epfl.ch/page37437.html>

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