[SciPy-User] sinc interpolation

Sturla Molden sturla@molden...
Sat Nov 21 04:18:46 CST 2009


I have a least-sqaures interpolator similar to Matlab's interp function. 
Basically it just constructs a FIR filter that can be used with 
scipy.signal.lfilter.

Also you can use FFTs for interpolation. Just rfft the signal, append 
zeros, and invert the transform.

Sturla


David Trem skrev:
> Hello,
>
> Is sinc interpolation available in Scipy ?
>
>   I've just ask this question to Travis Oliphant during
> the entought webinar that had just ended but unfortunately
> I was not able to ear the reply due to poor sound quality just at
> that moment :-(
> Hope someone could give me his or a reply to this question.
>
> Thanks,
>
> David
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