diff options
Diffstat (limited to 'gr-trellis/src/examples/python/test_cpm.py')
| -rwxr-xr-x | gr-trellis/src/examples/python/test_cpm.py | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/gr-trellis/src/examples/python/test_cpm.py b/gr-trellis/src/examples/python/test_cpm.py index 5342e57e82..7e80d400be 100755 --- a/gr-trellis/src/examples/python/test_cpm.py +++ b/gr-trellis/src/examples/python/test_cpm.py @@ -8,7 +8,7 @@ ################################################## from gnuradio import gr -from gnuradio import trellis, digital +from gnuradio import trellis, digital, filter from gnuradio.gr import firdes from grc_gnuradio import blks2 as grc_blks2 import math @@ -45,7 +45,7 @@ def run_test(seed,blocksize): BT=0.3; tt=numpy.arange(0,L*Q)/(1.0*Q)-L/2.0; #print tt - p=(0.5*scipy.stats.erfc(2*math.pi*BT*(tt-0.5)/math.sqrt(math.log(2.0))/math.sqrt(2.0))-0.5*scipy.stats.erfc(2*math.pi*BT*(tt+0.5)/math.sqrt(math.log(2.0))/math.sqrt(2.0)))/2.0; + p=(0.5*scipy.special.erfc(2*math.pi*BT*(tt-0.5)/math.sqrt(math.log(2.0))/math.sqrt(2.0))-0.5*scipy.special.erfc(2*math.pi*BT*(tt+0.5)/math.sqrt(math.log(2.0))/math.sqrt(2.0)))/2.0; p=p/sum(p)*Q/2.0; #print p q=numpy.cumsum(p)/Q; @@ -89,8 +89,8 @@ def run_test(seed,blocksize): # Blocks ################################################## random_source_x_0 = gr.vector_source_b(data.tolist(), False) - gr_chunks_to_symbols_xx_0 = gr.chunks_to_symbols_bf((-1, 1), 1) - gr_interp_fir_filter_xxx_0 = gr.interp_fir_filter_fff(Q, p) + digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bf((-1, 1), 1) + gr_interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(Q, p) gr_frequency_modulator_fc_0 = gr.frequency_modulator_fc(2*math.pi*h*(1.0/Q)) gr_add_vxx_0 = gr.add_vcc(1) @@ -99,8 +99,8 @@ def run_test(seed,blocksize): gr_multiply_vxx_0 = gr.multiply_vcc(1) gr_sig_source_x_0 = gr.sig_source_c(Q, gr.GR_COS_WAVE, -f0T, 1, 0) # only works for N=2, do it manually for N>2... - gr_fir_filter_xxx_0_0 = gr.fir_filter_ccc(Q, MF[0].conjugate()) - gr_fir_filter_xxx_0_0_0 = gr.fir_filter_ccc(Q, MF[1].conjugate()) + gr_fir_filter_xxx_0_0 = filter.fir_filter_ccc(Q, MF[0].conjugate()) + gr_fir_filter_xxx_0_0_0 = filter.fir_filter_ccc(Q, MF[1].conjugate()) gr_streams_to_stream_0 = gr.streams_to_stream(gr.sizeof_gr_complex*1, int(N)) gr_skiphead_0 = gr.skiphead(gr.sizeof_gr_complex*1, int(N*(1+0))) viterbi = trellis.viterbi_combined_cb(f, head+blocksize+tail, 0, -1, int(N), @@ -111,8 +111,8 @@ def run_test(seed,blocksize): ################################################## # Connections ################################################## - tb.connect((random_source_x_0, 0), (gr_chunks_to_symbols_xx_0, 0)) - tb.connect((gr_chunks_to_symbols_xx_0, 0), (gr_interp_fir_filter_xxx_0, 0)) + tb.connect((random_source_x_0, 0), (digital_chunks_to_symbols_xx_0, 0)) + tb.connect((digital_chunks_to_symbols_xx_0, 0), (gr_interp_fir_filter_xxx_0, 0)) tb.connect((gr_interp_fir_filter_xxx_0, 0), (gr_frequency_modulator_fc_0, 0)) tb.connect((gr_frequency_modulator_fc_0, 0), (gr_add_vxx_0, 0)) tb.connect((gr_noise_source_x_0, 0), (gr_add_vxx_0, 1)) |