On 04/10/2014 12:12 AM, Ruecan wrote: > Hello GR, > > I have multiple questions re the gr-specest toolbox: > > 1/ Is there any MTM estimator block for GRC
Yes! > 2/ Can anyone explain to me the figures in > https://www.cgran.org/wiki/SpecEst related to Cyclostationarity-Based > Modulation Classification. I am actually confused aren't they inverted (QPSK > and BPSK) because it is in the QPSK that you find components on the Im. axis > not in the BPSK. Any explanations is well appreciated. This is not IQ, it's frequency and symbol rate on the axes. > 3/ The README file talks about how to tune the update rate (sample_rate / > block_len) however I tried to decrease it to almost 15, sample rate = 32k > and block_len = 2048 and even I tried to have an FFT size 256, I always get > the plot stuck and is hardly updating. No zoom is possible after I run the > estimator. > And after I run that, I cannot Pause nor close. I just have to kill the > process. > Am I missing something or some tuning. Not sure here, but I know guys at CEL have been working to update the toolbox to 3.7, maybe that'll fix it. Martin _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
