Robert McGwier wrote: > Frank wrote the keyer code that runs in PowerSDR and is distributed with > DttSP and wrote the ramp used in it as well as the agc. It is perfect > shaping. You could derive a Gaussian shape that would minimize the time > bandwidth product but the bandwidth would widen. It is better to spend > slightly more time and narrow the bandwidth of the transition as the > hear can plainly hear in the CW transmissions from the SDR-1000 or the > onset of the agc with very strong signals on a quiet band.
The power_squelch_cc block I just checked in implements the raised cosine shape for attack and decay as Frank suggested. -Johnathan, AE6HO _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
