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Re: [Help-gsl] power spectrum
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From: |
Brian Gough |
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Subject: |
Re: [Help-gsl] power spectrum |
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Date: |
Sun, 09 Jul 2006 19:31:53 +0100 |
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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?
Hello,
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 --- http://www.network-theory.com/gsl/