Dear Steve and everyone,
r7776 decodes the files as Joe described previously, and seems to
successfully decode current on-air signals.
(I'm using Ubuntu Linux 17.04 "zesty".)
Cheers,
Tamas HA5FTL
2017-07-02 18:02 GMT+02:00 Steven Franke <s.j.fra...@icloud.com>:
> Ah - I should have RTFM. I am not used to using the FFTW library with
> real-valued input vectors. Thanks!
> Steve
>
> > On Jul 2, 2017, at 10:54 AM, Bill Somerville <g4...@classdesign.com>
> wrote:
> >
> > On 02/07/2017 16:47, Steven Franke wrote:
> >> So why did you need to add the extra element at the end of cx?
> >
> > The real input generates a complex DFT with one extra element
> sizeof(input)/2 + 1.
> >
> > http://www.fftw.org/fftw3_doc/Real_002ddata-DFT-Array-
> Format.html#Real_002ddata-DFT-Array-Format
> >
> > 73
> > Bill
> > G4WJS.
> >
> >
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