[Fwd: LF: RE: SPECGRAM2 for UNIX...]

Andre' Kesteloot akestelo@bellatlantic.net
Wed, 21 Oct 1998 16:30:29 -0400



John Worsnop wrote:

> Hi Peter,
>
> Yes I'm using Linux, and will shortly be installing some DSP utilities.  I have just put on Red Hat 5.1 and it took me awhile to get the packet radio utilities working again.  I would be interested in your experiences with the program, but I am afraid I am to C programming, what Bjork is to American football, so I can't help you there!
>
> 73
>
> John
>
> ----------
> From:   Peter W. Schnoor[SMTP:pwsch@nephro.uni-kiel.de]
> Reply To:       rsgb_lf_group@blacksheep.org
> Sent:   20 October 1998 17:34
> To:     rsgb_lf_group@blacksheep.org
> Subject:        LF: SPECGRAM2 for UNIX...
>
> Hello all,
>
> Anyone out there using UNIX or LINUX and
> interested in signal processing (FFT via
> sound card) for LF work?
>
> Im using SPECGRAM2 for Linux and added some
> slight changes at source code level. Compiling
> runs well for X11R6 and console. Theres source
> code for old MsDos too but limited to IRQ 7.
>
> One major disadvantage is that SPECGRAM2 has
> no time integration built in and the upper FFT
> window is limited to 1024 sampling points. Like
> most applications for UNIX it is written in C and
> Im not an experienced C-programmer (PASCAL...).
> The algorithms are known but the C-implementations
> to THIS sources are of problem.
>
> One further project could be an implementation
> of a Median Filter which has some advantages
> compared to the "smearing" Moving Average algorithms
> ("true" or "no" step/impulse response...).
>
> If anyone would help me (us?) adding those changes
> needed for advanced signal processing on LF, mail me!
>
> 73 es gl de Peter,
> DF3LP
>
>                                                   ------------------------------------------------------------------------
>
>    Part 1.2       Type: application/ms-tnef
>               Encoding: base64