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From:  Greg Heath <heath@alumni.brown.edu>
Newsgroups: comp.soft-sys.matlab
Subject: Re: PSD and sptool
Date: Sun, 05 Aug 2007 03:40:28 -0700
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On Aug 4, 9:39 am, "Vincenzo Manzoni" <ervin...@tiscali.it> wrote:
> Hi,
>
> I am working with sptool for analyze the PSD (Power Spectral
> Density) of signals.
>
> Now, I need to implement the code to do the analysis in
> automatic manner.
>
> This is the code (x contains the time serie):
>
> y = fft(y, 2048);
> Pyy = y * conj(y);
>
> Now, I have searched how to calculare normalization factor
> (to render plot of my Pyy the same of sptool), but I haven't
> found nothing.
>
> Could you help me?

Google Groups

greg-heath power-spectrum-scaling

Hope this helps.

Greg