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-rwxr-xr-xgr-digital/examples/snr_estimators.py10
1 files changed, 6 insertions, 4 deletions
diff --git a/gr-digital/examples/snr_estimators.py b/gr-digital/examples/snr_estimators.py
index e310ec2937..9eae7865e5 100755
--- a/gr-digital/examples/snr_estimators.py
+++ b/gr-digital/examples/snr_estimators.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python
#
-# Copyright 2011,2012 Free Software Foundation, Inc.
+# Copyright 2011-2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
@@ -36,6 +36,8 @@ except ImportError:
sys.exit(1)
from gnuradio import gr, digital, filter
+from gnuradio import blocks
+from gnuradio import channels
from optparse import OptionParser
from gnuradio.eng_option import eng_option
@@ -165,10 +167,10 @@ def main():
snrdB, snr = py_est(yy)
snr_python.append(snrdB)
- gr_src = gr.vector_source_c(bits.tolist(), False)
+ gr_src = blocks.vector_source_c(bits.tolist(), False)
gr_snr = digital.mpsk_snr_est_cc(gr_est, ntag, 0.001)
- gr_chn = filter.channel_model(1.0/scale)
- gr_snk = gr.null_sink(gr.sizeof_gr_complex)
+ gr_chn = channels.channel_model(1.0/scale)
+ gr_snk = blocks.null_sink(gr.sizeof_gr_complex)
tb = gr.top_block()
tb.connect(gr_src, gr_chn, gr_snr, gr_snk)
tb.run()