any way you do this, if you're using quadrature demod, you must also not reduce the sample number until *after* you demodulated your FSK signal.
Again, for something to actually have a frequency, you'd need it to have a derivable phase. Derivation needs more than one sample. Best regards, Marcus On 22.07.2016 00:42, Ed Criscuolo wrote: > Your flowgraph intrinsically has one symbol per sample in the data > generation portion. You need a resampler just ahead of the throttle to > interpolate in order to increase the number of samples per symbol. > > @(^.^)@ Ed > Sent from my iPhone > > On Jul 21, 2016, at 3:15 PM, Olivier Goyette > <olivier.goyett...@gmail.com <mailto:olivier.goyett...@gmail.com>> wrote: > >> Hi all ! >> >> I've been working on this flowgraph for a while now and I've been >> able to pinpoint what is not working, but I don't understand how to >> resolve this so, that's why i'm asking for your guidance. >> >> Take a look at the flowgraph i've joined. The thing that doesn't seem >> to be working on this setup is the samples/symbol in th CPFSK mod block. >> >> When I set this parameter to 1 i'm able to retrieve my message at the >> file sink. So it tells me that what I did is okay in *_some way_*. >> >> What is not working is when I set the same parameter to 6. At the >> beginning I wasn't using the rational resampler and it wasn't >> working. So I thought I would need something to "divide" the number >> of samples to retrieve each symbols. I tried it with the rational >> resampler block and set decimation to 6, but then, Daaaaaah......not >> working again. >> >> There is something I can't work around here because I do not have >> sufficient knowledge about this samples/symbol thing. >> >> I'd like to hear from you pals if you could give me a bit of >> information about how to make this work properly. >> >> thank you ! >> <CPFSK.grc.png> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org <mailto:Discuss-gnuradio@gnu.org> >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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