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#!/usr/bin/env python
#
# Copyright 2012,2013 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 blocks_swig as blocks
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 = blocks.head(gr.sizeof_gr_complex, N)
op = channels.channel_model(0.0, 0.0, 1.0, [1,], 0)
snk = blocks.vector_sink_c()
snk1 = blocks.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")
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