diff options
Diffstat (limited to 'gr-trellis/src/examples/python/test_cpm.py')
| -rwxr-xr-x | gr-trellis/src/examples/python/test_cpm.py | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/gr-trellis/src/examples/python/test_cpm.py b/gr-trellis/src/examples/python/test_cpm.py index 7e80d400be..6b9b9a4f52 100755 --- a/gr-trellis/src/examples/python/test_cpm.py +++ b/gr-trellis/src/examples/python/test_cpm.py @@ -9,7 +9,6 @@ from gnuradio import gr from gnuradio import trellis, digital, filter -from gnuradio.gr import firdes from grc_gnuradio import blks2 as grc_blks2 import math import numpy @@ -17,6 +16,12 @@ import fsm_utils from gnuradio import trellis try: + from gnuradio import analog +except ImportError: + sys.stderr.write("Error: Program requires gr-analog.\n") + sys.exit(1) + +try: import scipy.stats except ImportError: print "Error: Program requires scipy (see: www.scipy.org)." @@ -91,13 +96,13 @@ def run_test(seed,blocksize): random_source_x_0 = gr.vector_source_b(data.tolist(), False) 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_frequency_modulator_fc_0 = analog.frequency_modulator_fc(2*math.pi*h*(1.0/Q)) gr_add_vxx_0 = gr.add_vcc(1) - gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, (N0/2.0)**0.5, -long(seed)) + gr_noise_source_x_0 = analog.noise_source_c(analog.GR_GAUSSIAN, (N0/2.0)**0.5, -long(seed)) 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) + gr_sig_source_x_0 = analog.sig_source_c(Q, analog.GR_COS_WAVE, -f0T, 1, 0) # only works for N=2, do it manually for N>2... 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()) |