Continuous Phase Modulation digital_cpmmod_bc from gnuradio import gr, digital digital.cpmmod_bc($type, $mod_index, $samples_per_symbol, $L, $beta) CPM Type type enum L-REC (Rectangular phase response) gr.cpm.LREC L-RC (Raised Cosine) gr.cpm.LRC L-SRC (Spectral raised cosine) gr.cpm.LSRC TFM (Tamed frequency modulation) gr.cpm.TFM Gaussian gr.cpm.GAUSSIAN Modulation Index mod_index 0.5 real Samples/Symbol samples_per_symbol 4 int Pulse Duration (Symbols) L 4 int Phase Response Parameter (BT or Beta) beta 0.3 real in byte out complex