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Diffstat (limited to 'gr-channels/python/qa_channel_model.py')
-rwxr-xr-x | gr-channels/python/qa_channel_model.py | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gr-channels/python/qa_channel_model.py b/gr-channels/python/qa_channel_model.py new file mode 100755 index 0000000000..0a99477097 --- /dev/null +++ b/gr-channels/python/qa_channel_model.py @@ -0,0 +1,61 @@ +#!/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") |