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Re: Hilbert transformation for signals with GSL ?
- From: Nils Wagner <nwagner at mecha dot uni-stuttgart dot de>
- To: Axel Hutt <hutt at wias-berlin dot de>
- Cc: gsl-discuss at sources dot redhat dot com
- Date: Thu, 09 Jan 2003 10:14:31 +0100
- Subject: Re: Hilbert transformation for signals with GSL ?
- References: <3E1D338F.130C976D@wias-berlin.de>
Axel Hutt schrieb:
>
> Dear all,
>
> I have tried to implement a Hilbert transformation with
> GSL. This works quite fine with gsl_integration_qawc for
> a given function in analytical form as numerator. But it
> turns out, that the function can not be discrete (e.g.
> as a sampled signal) due to the undelying bisection
> algorithm.
>
> Did anybody implement the Hilbert trafo with GSL for
> discrete functions?
>
> Thanks in advance for any hint.
>
> Axel
Axel,
You may find an algorithm in the book by Stefan L. Hahn
entitled "Hilbert transforms in signal processing". See pages 58-59
Regards,
Nils