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| author | Andrej Rode <mail@andrejro.de> | 2018-06-23 23:41:42 +0200 |
|---|---|---|
| committer | Andrej Rode <mail@andrejro.de> | 2018-06-24 00:03:35 +0200 |
| commit | 167a6152bad060fc53dd29e0fa79ef83eff1be5b (patch) | |
| tree | a01049672d9d7d1bf3d295ed96698a323941f8e8 /gr-trellis/docs/test_viterbi_equalization1.py | |
| parent | 3c8e6008b092287246234001db7cf1a4038300da (diff) | |
| parent | fcd002b6ac82e1e0c1224e24506410ff0833e1aa (diff) | |
Merge branch 'python3_fix' into next
Manual merge conflict resolution has been applied to following
conflicts:
* Typos:
* gnuradio-runtime/python/gnuradio/ctrlport/GrDataPlotter.py
* gr-blocks/python/blocks/qa_wavfile.py
* gr-filter/examples/gr_filtdes_api.py
* grc/blocks/parameter.xml
* gr-uhd/python/uhd/__init__.py
* ValueError -> RuntimeError:
* gr-blocks/python/blocks/qa_hier_block2.py
* relative Imports & other Py3k:
* gr-digital/python/digital/psk_constellations.py
* gr-digital/python/digital/qam_constellations.py
* gr-digital/python/digital/test_soft_decisions.py
* gr-digital/python/digital/gfsk.py
* SequenceCompleter:
* gr-utils/python/modtool/modtool_add.py
* gr-utils/python/modtool/modtool_rename.py
* gr-utils/python/modtool/modtool_rm.py
* Updated API on next:
* gr-blocks/grc/blocks_file_source.xml
* gr-blocks/python/blocks/qa_file_source_sink.py
* gr-qtgui/grc/qtgui_time_sink_x.xml
* GRC Py3k Updates:
* grc/core/Block.py
* grc/core/Constants.py
* grc/core/Platform.py
* grc/core/utils/odict.py
* grc/gui/Actions.py
* grc/gui/Block.py
* grc/gui/Executor.py
* grc/gui/Port.py
Diffstat (limited to 'gr-trellis/docs/test_viterbi_equalization1.py')
| -rw-r--r--[-rwxr-xr-x] | gr-trellis/docs/test_viterbi_equalization1.py | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/gr-trellis/docs/test_viterbi_equalization1.py b/gr-trellis/docs/test_viterbi_equalization1.py index c1a831d0bb..95cb119edf 100755..100644 --- a/gr-trellis/docs/test_viterbi_equalization1.py +++ b/gr-trellis/docs/test_viterbi_equalization1.py @@ -1,5 +1,8 @@ #!/usr/bin/env python +from __future__ import print_function +from __future__ import division +from __future__ import unicode_literals from gnuradio import gr from gnuradio import audio from gnuradio import trellis, digital, filter, blocks @@ -34,7 +37,7 @@ def run_test (f,Kb,bitspersymbol,K,channel,modulation,dimensionality,tot_constel # CHANNEL isi = filter.fir_filter_fff(1,channel) add = blocks.add_ff() - noise = analog.noise_source_f(analog.GR_GAUSSIAN,math.sqrt(N0/2),seed) + noise = analog.noise_source_f(analog.GR_GAUSSIAN,math.sqrt(N0 / 2),seed) # RX skip = blocks.skiphead(gr.sizeof_float, L) # skip the first L samples since you know they are coming from the L zero symbols @@ -78,14 +81,14 @@ def main(args): modulation = fsm_utils.pam4 # see fsm_utlis.py for available predefined modulations channel = fsm_utils.c_channel # see fsm_utlis.py for available predefined test channels f=trellis.fsm(len(modulation[1]),len(channel)) # generate the FSM automatically - bitspersymbol = int(round(math.log(f.I())/math.log(2))) # bits per FSM input symbol - K=Kb/bitspersymbol # packet size in trellis steps + bitspersymbol = int(round(math.log(f.I()) / math.log(2))) # bits per FSM input symbol + K=Kb / bitspersymbol # packet size in trellis steps tot_channel = fsm_utils.make_isi_lookup(modulation,channel,True) # generate the lookup table (normalize energy to 1) dimensionality = tot_channel[0] tot_constellation = tot_channel[1] - N0=pow(10.0,-esn0_db/10.0); # noise variance - if len(tot_constellation)/dimensionality != f.O(): + N0=pow(10.0,-esn0_db / 10.0); # noise variance + if len(tot_constellation) / dimensionality != f.O(): sys.stderr.write ('Incompatible FSM output cardinality and lookup table size.\n') sys.exit (1) @@ -94,14 +97,14 @@ def main(args): terr_p=0 # total number of packets in error for i in range(rep): - (s,e)=run_test(f,Kb,bitspersymbol,K,channel,modulation,dimensionality,tot_constellation,N0,-long(666+i)) # run experiment with different seed to get different data and noise realizations + (s,e)=run_test(f,Kb,bitspersymbol,K,channel,modulation,dimensionality,tot_constellation,N0,-int(666+i)) # run experiment with different seed to get different data and noise realizations tot_s=tot_s+s terr_s=terr_s+e terr_p=terr_p+(terr_s!=0) if ((i+1)%100==0) : # display progress - print i+1,terr_p, '%.2e' % ((1.0*terr_p)/(i+1)),tot_s,terr_s, '%.2e' % ((1.0*terr_s)/tot_s) + print(i+1,terr_p, '%.2e' % ((1.0*terr_p) / (i+1)),tot_s,terr_s, '%.2e' % ((1.0*terr_s) / tot_s)) # estimate of the (short or symbol) error rate - print rep,terr_p, '%.2e' % ((1.0*terr_p)/(i+1)),tot_s,terr_s, '%.2e' % ((1.0*terr_s)/tot_s) + print(rep,terr_p, '%.2e' % ((1.0*terr_p) / (i+1)),tot_s,terr_s, '%.2e' % ((1.0*terr_s) / tot_s)) if __name__ == '__main__': |