Simon / Patrick, Mode identification would certainly be helpful. The RS-ID seems very sensitive.
Thanks for all... Tony -K2MO ----- Original Message ----- From: "Patrick Lindecker" <f6...@free.fr> To: <digitalradio@yahoogroups.com> Sent: Thursday, April 16, 2009 4:58 PM Subject: Re: [digitalradio] Mode of the Day? RS ID on SdR bandwidth > Hello Simon, > >>When you do this *please* let's talk about it together and try for a >>common code base which works at any sampling frequency. > No problem, but I program in Pascal not in C...(Votjech did a C source). > The sampling frequency must be 11025, but it is not a problem to work at > 8000. In MT63, the sampling frequency is 8000, so I previously do a simple > interpolation to switch from 8000 to 11025 for, afterwards, to do the > Fourier spectrum used for the RS ID. > > If it poses problem I can send you my interpolation procedure. > > For SdR, it will be more complex (but interesting). > > 73 > Patrick > > ----- Original Message ----- > From: Simon (HB9DRV) > To: digitalradio@yahoogroups.com > Sent: Thursday, April 16, 2009 8:28 PM > Subject: Re: [digitalradio] Mode of the Day? RS ID on SdR bandwidth > > > > > > Hi Patrick, > > When you do this *please* let's talk about it together and try for a > common code base which works at any sampling frequency. > > Vojtech - does your code run at 8kHz? > > Simon Brown, HB9DRV > www.ham-radio-deluxe.com > ----- Original Message ----- > From: Patrick Lindecker > Hello Simon and all, > > About detection of any RS ID on all the SdR waterfall (almost 200 KHz > of bandwidth) and hence detection of any exotic digital transmission, with > the original source it is not possible (due to a too big load on the CPU), > but Vojtech added in his code a hashing function. It is surely the good > solution. I'm working also on this good idea of Votjech. I hope to propose > a new RS ID source with this hashing function, in the future. > > 73 > Patrick > > > > >
