Tags: chirp, choosing, component, fourier, frequency, matlab, narrow, needa, parameters, programming, resolution, signal, someinformation, span, time, z-transform-criteria

Chirp z-transform--criteria for choosing parameters

On Programmer » Matlab

547 words with 0 Comments; publish: Wed, 07 May 2008 09:39:00 GMT; (20062.01, « »)

I am trying to find the fourier component of a time signal, but need

a high resolution only over a narrow frequency span. I found some

information about the chirp z-transform (czt in the signal processing

toolbox) from the help menu. What are the criteria in determining

the parameters n (the no. of points from the input time signal) and m

(the no. of points chosen for the z-transform)?

Please kindly refer to any useful references on how to choose the

parameters when using the czt command.

Thanks for your help.

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