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




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

[snip]

-- 
Eike Lantzsch ZP6CGE

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