MPSK SNR Estimator digital_mpsk_snr_est_cc from gnuradio import digital digital.mpsk_snr_est_cc($type, $tag_nsamples, $alpha) set_type($type) set_tag_nsamples($tag_nsamples) set_alpha($alpha) Type type enum Simple 0 Skewness 1 2nd and 4th Moment 2 SVR 3 Samples between tags tag_nsamples 10000 int Filter Alpha alpha 0.001 real in complex out complex