diff options
Diffstat (limited to 'gr-trellis/doc/test_tcm.py')
| -rw-r--r-- | gr-trellis/doc/test_tcm.py | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/gr-trellis/doc/test_tcm.py b/gr-trellis/doc/test_tcm.py index 2ff1c3db8..8c046d697 100644 --- a/gr-trellis/doc/test_tcm.py +++ b/gr-trellis/doc/test_tcm.py @@ -27,17 +27,17 @@ def run_test (f,Kb,bitspersymbol,K,dimensionality,constellation,N0,seed): metrics = trellis.metrics_f(f.O(),dimensionality,constellation,digital.TRELLIS_EUCLIDEAN) # data preprocessing to generate metrics for Viterbi va = trellis.viterbi_s(f,K,0,-1) # Put -1 if the Initial/Final states are not set. fsmi2s = gr.unpacked_to_packed_ss(bitspersymbol,gr.GR_MSB_FIRST) # pack FSM input symbols to shorts - dst = gr.check_lfsr_32k_s(); + dst = gr.check_lfsr_32k_s(); tb.connect (src,src_head,s2fsmi,enc,mod) tb.connect (mod,(add,0)) tb.connect (noise,(add,1)) tb.connect (add,metrics) tb.connect (metrics,va,fsmi2s,dst) - + tb.run() - - # A bit of cheating: run the program once and print the + + # A bit of cheating: run the program once and print the # final encoder state. # Then put it as the last argument in the viterbi block #print "final state = " , enc.ST() @@ -65,7 +65,7 @@ def main(args): K=Kb/bitspersymbol # packet size in trellis steps modulation = fsm_utils.psk4 # see fsm_utlis.py for available predefined modulations dimensionality = modulation[0] - constellation = modulation[1] + constellation = modulation[1] if len(constellation)/dimensionality != f.O(): sys.stderr.write ('Incompatible FSM output cardinality and modulation size.\n') sys.exit (1) @@ -75,7 +75,7 @@ def main(args): Es = Es + constellation[i]**2 Es = Es / (len(constellation)/dimensionality) N0=Es/pow(10.0,esn0_db/10.0); # noise variance - + tot_s=0 terr_s=0 for i in range(rep): |