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-rwxr-xr-xgr-digital/examples/narrowband/benchmark_add_channel.py2
-rwxr-xr-xgr-digital/examples/ofdm/benchmark_add_channel.py2
2 files changed, 2 insertions, 2 deletions
diff --git a/gr-digital/examples/narrowband/benchmark_add_channel.py b/gr-digital/examples/narrowband/benchmark_add_channel.py
index 841833a08..c69ee60b0 100755
--- a/gr-digital/examples/narrowband/benchmark_add_channel.py
+++ b/gr-digital/examples/narrowband/benchmark_add_channel.py
@@ -44,7 +44,7 @@ class my_top_block(gr.top_block):
self.src = gr.file_source(gr.sizeof_gr_complex, ifile)
#self.throttle = gr.throttle(gr.sizeof_gr_complex, options.sample_rate)
self.channel = gr.channel_model(noise_voltage, frequency_offset,
- time_offset, noise_seed=random.randint(0,100000))
+ time_offset, noise_seed=-random.randint(0,100000))
self.phase = gr.multiply_const_cc(complex(math.cos(phase_offset),
math.sin(phase_offset)))
self.snk = gr.file_sink(gr.sizeof_gr_complex, ofile)
diff --git a/gr-digital/examples/ofdm/benchmark_add_channel.py b/gr-digital/examples/ofdm/benchmark_add_channel.py
index 01776d209..cbdd990f4 100755
--- a/gr-digital/examples/ofdm/benchmark_add_channel.py
+++ b/gr-digital/examples/ofdm/benchmark_add_channel.py
@@ -46,7 +46,7 @@ class my_top_block(gr.top_block):
self.src = gr.file_source(gr.sizeof_gr_complex, ifile)
#self.throttle = gr.throttle(gr.sizeof_gr_complex, options.sample_rate)
self.channel = gr.channel_model(noise_voltage, frequency_offset,
- time_offset, noise_seed=random.randint(0,100000))
+ time_offset, noise_seed=-random.randint(0,100000))
self.phase = gr.multiply_const_cc(complex(math.cos(phase_offset),
math.sin(phase_offset)))
self.snk = gr.file_sink(gr.sizeof_gr_complex, ofile)