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-rwxr-xr-xgr-channels/python/qa_channel_model.py61
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diff --git a/gr-channels/python/qa_channel_model.py b/gr-channels/python/qa_channel_model.py
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+#!/usr/bin/env python
+#
+# Copyright 2012 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from gnuradio import gr, gr_unittest
+import analog_swig as analog
+import channels_swig as channels
+import math
+
+class test_channel_model(gr_unittest.TestCase):
+
+ def setUp(self):
+ self.tb = gr.top_block()
+
+ def tearDown(self):
+ self.tb = None
+
+ def test_000(self):
+ N = 1000 # number of samples to use
+ fs = 1000 # baseband sampling rate
+ freq = 100
+
+ signal = analog.sig_source_c(fs, analog.GR_SIN_WAVE, freq, 1)
+ head = gr.head(gr.sizeof_gr_complex, N)
+ op = channels.channel_model(0.0, 0.0, 1.0, [1,], 0)
+ snk = gr.vector_sink_c()
+ snk1 = gr.vector_sink_c()
+
+ op.set_noise_voltage(0.0)
+ op.set_frequency_offset(0.0)
+ op.set_taps([1,])
+ op.set_timing_offset(1.0)
+
+ self.tb.connect(signal, head, op, snk)
+ self.tb.connect(op, snk1)
+ self.tb.run()
+
+ dst_data = snk.data()
+ exp_data = snk1.data()
+ self.assertComplexTuplesAlmostEqual(exp_data, dst_data, 5)
+
+if __name__ == '__main__':
+ gr_unittest.run(test_channel_model, "test_channel_model.xml")