diff options
Diffstat (limited to 'gr-trellis/doc/test_viterbi_equalization1.py')
| -rwxr-xr-x | gr-trellis/doc/test_viterbi_equalization1.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gr-trellis/doc/test_viterbi_equalization1.py b/gr-trellis/doc/test_viterbi_equalization1.py index 93b852e85..638e83e81 100755 --- a/gr-trellis/doc/test_viterbi_equalization1.py +++ b/gr-trellis/doc/test_viterbi_equalization1.py @@ -2,7 +2,7 @@ from gnuradio import gr from gnuradio import audio -from gnuradio import trellis +from gnuradio import trellis, digital from gnuradio import eng_notation import math import sys @@ -32,9 +32,9 @@ def run_test (f,Kb,bitspersymbol,K,channel,modulation,dimensionality,tot_constel # RX skip = gr.skiphead(gr.sizeof_float, L) # skip the first L samples since you know they are coming from the L zero symbols - #metrics = trellis.metrics_f(f.O(),dimensionality,tot_constellation,trellis.TRELLIS_EUCLIDEAN) # data preprocessing to generate metrics for Viterbi + #metrics = trellis.metrics_f(f.O(),dimensionality,tot_constellation,digital.TRELLIS_EUCLIDEAN) # data preprocessing to generate metrics for Viterbi #va = trellis.viterbi_s(f,K+L,0,0) # Put -1 if the Initial/Final states are not set. - va = trellis.viterbi_combined_s(f,K+L,0,0,dimensionality,tot_constellation,trellis.TRELLIS_EUCLIDEAN) # using viterbi_combined_s instead of metrics_f/viterbi_s allows larger packet lengths because metrics_f is complaining for not being able to allocate large buffers. This is due to the large f.O() in this application... + va = trellis.viterbi_combined_s(f,K+L,0,0,dimensionality,tot_constellation,digital.TRELLIS_EUCLIDEAN) # using viterbi_combined_s instead of metrics_f/viterbi_s allows larger packet lengths because metrics_f is complaining for not being able to allocate large buffers. This is due to the large f.O() in this application... dst = gr.vector_sink_s() tb.connect (src,mod) |