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Re: Discrete Fourier Transform (DFT) viewer and/or file format




On Mon, Nov 13, 2017 at 05:49:42AM -0300, Eike Lantzsch wrote:
> On Sunday, November 12, 2017 10:06:11 PM -03 Dan Hitt wrote:
> > On Sun, Nov 12, 2017 at 8:50 PM, Richard Owlett <rowlett@xxxxxxxxxxx> wrote:
> > > On 11/12/2017 09:45 PM, Dan Hitt wrote:
> > >> I have some DFTs that i wish to inspect.  (Apparently DFT is a common
> > >> acronym, but here i mean Discrete Fourier Transform.  And properly
> > >> speaking it doesn't make sense to inspect a transform, but only to
> > >> inspect transformed data, but i'm speaking colloquially.)
> > >> 
> > >> DFTs are a common artifact in digital signal processing.  Lots of
> > >> Debian packages are focused on FFTs (Fast Fourier Transforms, a way of
> > >> computing DFTs).  Nevertheless i couldn't find either a standard file
> > >> format to store one, or software specifically for viewing DFTs.
> > >> 
> > >> Of course, lots of software can take data, then transform it, then
> > >> display the transform that it created, but i would like something that
> > >> can take an already created DFT in some standard format, then display
> > >> it.
> > >> 
> > >> TIA for any information or pointers or advice from anybody! :)
> > >> 
> > >> dan
> > > 
> > > A useful set of expertise is available at the USENET group at comp.dsp .
> > > HTH
> > 
> > Thanks Richard.
> > 
> > Maybe you're exactly right, because if i can find any free software
> > that's relevant to what i want, then i can probably get it to Debian.
> > (If i have something specific, then can bring it up here in fact if i
> > have trouble installing it.)
> > 
> > How do you normally access usenet?
> > 
> > In the old days (meaning, decades ago) i used to read usenet with rn.
> ask for an account on (€10 per year)
> http://www.individual.net/
> install leafnode and slrn on Debian
> 

aioe.org has free access to usenet (if text only groups suffice).

-H


-- 
Henning Follmann           | hfollmann@xxxxxxxxxxxxxxx