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Re: expfit vs harminv - which is faster/smaller ?
From: |
Peter L. |
Subject: |
Re: expfit vs harminv - which is faster/smaller ? |
Date: |
Fri, 19 Dec 2008 11:05:39 +0100 |
ons, 17 12 2008 kl. 07:04 -0800, skrev Sergei Steshenko:
>
>
> --- On Wed, 12/17/08, Peter L. Søndergaard <address@hidden> wrote:
>
> > From: Peter L. Søndergaard <address@hidden>
> > Subject: Re: expfit vs harminv - which is faster/smaller ?
> > To: address@hidden
> > Cc: "Francesco Potortì" <address@hidden>, address@hidden
> > Date: Wednesday, December 17, 2008, 12:57 AM
> > Another option that might be of interest is the NFFT
> > (non-equispaced
> > FFT) library from
> >
> > http://www-user.tu-chemnitz.de/~potts/nfft/
> >
> > Cheers,
> >
> > Peter.
> >
>
> I think I've already visited this page, and I would use the algorithms for
> non-equispaced sampling.
>
> However, I'm not sure it decomposes input sequence onto a sum of
> exponentially decaying sinusoids.
>
You are right, it decomposes the input into non-equidistantly spaced
complex exponentials. They do not decay.
Cheers,
Peter.
- expfit vs harminv - which is faster/smaller ?, Sergei Steshenko, 2008/12/15
- expfit vs harminv - which is faster/smaller ?, Sergei Steshenko, 2008/12/16
- Re: expfit vs harminv - which is faster/smaller ?, Francesco Potortì, 2008/12/16
- Re: expfit vs harminv - which is faster/smaller ?, Sergei Steshenko, 2008/12/16
- Re: expfit vs harminv - which is faster/smaller ?, Francesco Potortì, 2008/12/16
- Re: expfit vs harminv - which is faster/smaller ?, Sergei Steshenko, 2008/12/16
- Re: expfit vs harminv - which is faster/smaller ?, Peter L., 2008/12/17
- Re: expfit vs harminv - which is faster/smaller ?, Sergei Steshenko, 2008/12/17
- Re: expfit vs harminv - which is faster/smaller ?,
Peter L. <=