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-rwxr-xr-xgr-trellis/src/examples/python/test_viterbi_equalization.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/gr-trellis/src/examples/python/test_viterbi_equalization.py b/gr-trellis/src/examples/python/test_viterbi_equalization.py
index 00d54620b2..c80f36a54b 100755
--- a/gr-trellis/src/examples/python/test_viterbi_equalization.py
+++ b/gr-trellis/src/examples/python/test_viterbi_equalization.py
@@ -2,6 +2,7 @@
from gnuradio import gr
from gnuradio import trellis, digital
+from gnuradio import analog
from gnuradio import eng_notation
import math
import sys
@@ -20,7 +21,7 @@ def run_test (f,Kb,bitspersymbol,K,dimensionality,tot_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
metrics = trellis.metrics_f(f.O(),dimensionality,tot_constellation,digital.TRELLIS_EUCLIDEAN) # data preprocessing to generate metrics for Viterbi