[Numpy-discussion] Zoom fft code
Mon Jan 5 07:34:51 CST 2009
> Hi Nadav
> I recall that you posted an implementation yourself a while ago!
> 2009/1/5 Nadav Horesh <email@example.com>:
>> I am looking for a zoom fft code. I found an old code by Paule Kinzle (a
>> matlab code with a translation to numarray), but its 2D extension
>> (czt1.py) looks buggy.
I was not aware that chirp-z transform can be used to efficiently compute DFT over a limited part of the spectrum. I could use this. Any references on this technique?
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