diff options
Diffstat (limited to 'gr-trellis/src/examples/python/test_tcm_bit.py')
| -rwxr-xr-x | gr-trellis/src/examples/python/test_tcm_bit.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gr-trellis/src/examples/python/test_tcm_bit.py b/gr-trellis/src/examples/python/test_tcm_bit.py index 1a89d06a89..873d58684b 100755 --- a/gr-trellis/src/examples/python/test_tcm_bit.py +++ b/gr-trellis/src/examples/python/test_tcm_bit.py @@ -10,6 +10,11 @@ import fsm_utils from gnuradio.eng_option import eng_option from optparse import OptionParser +try: + from gnuradio import analog +except ImportError: + sys.stderr.write("Error: Program requires gr-analog.\n") + sys.exit(1) def run_test (f,Kb,bitspersymbol,K,dimensionality,constellation,N0,seed): tb = gr.top_block () @@ -30,7 +35,7 @@ def run_test (f,Kb,bitspersymbol,K,dimensionality,constellation,N0,seed): # CHANNEL add = gr.add_ff() - noise = gr.noise_source_f(gr.GR_GAUSSIAN,math.sqrt(N0/2),seed) + noise = analog.noise_source_f(analog.GR_GAUSSIAN,math.sqrt(N0/2),seed) # RX |