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Re: [Help-gsl] power spectrum

From: Brian Gough
Subject: Re: [Help-gsl] power spectrum
Date: Sun, 09 Jul 2006 19:31:53 +0100
User-agent: Wanderlust/2.14.0 (Africa) Emacs/21.3 Mule/5.0 (SAKAKI)

At Thu, 06 Jul 2006 06:54:59 +0200,
Eric Germaneau wrote:
> 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?


There is a table showing the DFT frequencies for the output arrays in
the GSL manual.  

In addition to the DFT power spectrum I believe there is a bayesian
fitting approach which is often used.

Brian Gough
(GSL Maintainer)

Network Theory Ltd,
Commercial support for GSL ---

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