1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
#!/usr/bin/env python
from gnuradio import gr, gr_unittest, blocks
import gnuradio.dab as grdab
class qa_ofdm_move_and_insert_zero(gr_unittest.TestCase):
"""
@brief QA for the block that moves the signal to the middle of the band and inserts the zero carrier in the middle.
This class implements a test bench to verify the corresponding C++ class.
"""
def setUp(self):
self.tb = gr.top_block()
def tearDown(self):
self.tb = None
def test_001_ofdm_move_and_insert_zero(self):
num_carriers = 4
fft_length = 10
d_zeros_on_left = 3
src_data0 = range(0,8)
expected_result0 = [0,0,0]+[0,1]+[0]+[2,3]+[0,0]+[0,0,0]+[4,5]+[0]+[6,7]+[0,0]
expected_result0 = [complex(x) for x in expected_result0]
src0 = blocks.vector_source_c(src_data0)
s2v0 = blocks.stream_to_vector(gr.sizeof_gr_complex, num_carriers)
ofdm_move_and_insert_zero = grdab.ofdm_move_and_insert_zero(fft_length,num_carriers)
v2s0 = blocks.vector_to_stream(gr.sizeof_gr_complex, fft_length)
dst0 = blocks.vector_sink_c()
self.tb.connect(src0, s2v0, ofdm_move_and_insert_zero, v2s0, dst0)
self.tb.run()
result_data0 = dst0.data()
# print expected_result0
# print result_data0
self.assertComplexTuplesAlmostEqual(expected_result0, result_data0, 6)
if __name__ == '__main__':
gr_unittest.main()
|
