Re: algorithm for power of a single fre

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Article #2599

#2599

From: Jose A. Rosendo
Date: Tue, 09 Jan 1996 00:00

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In article <4crukb$l76$2@mhade.production.compuserve.com>,
   Daniel Jeffrey <76401.3073@CompuServe.COM> wrote:
>Hello, a friend of mine told me about a wonderful algorithm that he us
>Unfortunatly he cant find it anymore so I'm hoping someone here know a
>can tell me where to look.
>	The algorithm takes as input a dicrete time signal containing a multi
>of frequencies, and a single frequency identifier.  It returns the pow
>for that single frequency.
>My friend says that it's super fast and can work on small data sets.
>Any idea's anyone?
>Thanks,
>Daniel / Montreal.

Perhaps you refer to the Goerzel algorithm. You can find it in most 
Oppenheim-Schafer books, e.g., 'Discrete-Time signal Processing', 
Prentice-Hall, pp. 585-87, 1989.

Regards,
Jose A. Rosendo 

Dept. Electrical Engineering
University of Seville
Spain

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From: rosendo@obelix.cica.es (Jose A. Rosendo)
Subject: Re: algorithm for power of a single fre
Date: 1996/01/09
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