RE: fft

["Andrew C. Starritt" <Andrew.Starritt@synchrotron.org.au>]

Hi Michael,
  I have one based on genSub which can do complex/real fwd/reverse fft upto 16384 points.
  I can send you a tarball or zip file if you like.

Regards
--
Andrew Starritt | Principal Controls Engineer | Australian Synchrotron
p: (03) 8540 4164 | f: (03) 8540 4200
andrew.starritt@synchrotron.org.au | www.synchrotron.org.au
800 Blackburn Road, Clayton, Victoria 3168


> -----Original Message-----
> From: tech-talk-bounces@aps.anl.gov [mailto:tech-talk-
> bounces@aps.anl.gov] On Behalf Of Michael Davidsaver
> Sent: Wednesday, 22 June 2011 3:43 AM
> To: tech-talk@aps.anl.gov
> Subject: fft
> 
> Has anyone done a routine for the aSub record (or similar) which does
> an
> fft?
> 
> My input is complex data (two waveforms I and Q) as a function of time
> (512 samples).  Data updates come at ~5Hz.
> 
> I was thinking of using
> 
> http://www.fftw.org/fftw3_doc/Complex-DFTs.html#Complex-DFTs
> 
> Suggestions?

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