def test_001_t(self):
# set up fg
samp_cw = 300
samp_up = 200
samp_down = 100
mult = 3
test_len = (samp_cw + samp_up + samp_down) * mult
samp_rate = 2000
len_key = "packet_len"
packet_parts = (samp_cw, samp_up, samp_down)
src = radar.signal_generator_fmcw_c(samp_rate, samp_up, samp_down,
samp_cw, 500, 250, 1, len_key)
head = blocks.head(8, test_len)
split0 = radar.split_cc(0, packet_parts, len_key)
split1 = radar.split_cc(1, packet_parts, len_key)
split2 = radar.split_cc(2, packet_parts, len_key)
snk0 = blocks.vector_sink_c()
snk1 = blocks.vector_sink_c()
snk2 = blocks.vector_sink_c()
self.tb.connect(src, head)
self.tb.connect(head, split0, snk0)
self.tb.connect(head, split1, snk1)
self.tb.connect(head, split2, snk2)
self.tb.run()
# check data
self.assertEqual(
len(snk0.data()),
mult * samp_cw) # check correct number of samples in every sink
self.assertEqual(len(snk1.data()), mult * samp_up)
self.assertEqual(len(snk2.data()), mult * samp_down)
def test_001_t (self): # set up fg samp_cw = 300 samp_up = 200 samp_down = 100 mult = 3 test_len = (samp_cw+samp_up+samp_down)*mult samp_rate = 2000 len_key = "packet_len" packet_parts = (samp_cw, samp_up, samp_down) src = radar.signal_generator_fmcw_c(samp_rate, samp_up, samp_down, samp_cw, 500, 250, 1, len_key); head = blocks.head(8,test_len) split0 = radar.split_cc(0,packet_parts,len_key) split1 = radar.split_cc(1,packet_parts,len_key) split2 = radar.split_cc(2,packet_parts,len_key) snk0 = blocks.vector_sink_c() snk1 = blocks.vector_sink_c() snk2 = blocks.vector_sink_c() self.tb.connect(src,head) self.tb.connect(head,split0,snk0) self.tb.connect(head,split1,snk1) self.tb.connect(head,split2,snk2) self.tb.run () # check data self.assertEqual(len(snk0.data()),mult*samp_cw) # check correct number of samples in every sink self.assertEqual(len(snk1.data()),mult*samp_up) self.assertEqual(len(snk2.data()),mult*samp_down)
def test_002_t (self): # set up fg in_data = (1, 2, 3, 4, 5, 6) packet_len = len(in_data) src = blocks.vector_source_c(in_data) s2ts = blocks.stream_to_tagged_stream(8,1,packet_len,"packet_len") split = radar.split_cc(1,(1,3,2)) snk = blocks.vector_sink_c() self.tb.connect(src,s2ts,split,snk) self.tb.run () # check data self.assertTupleEqual(snk.data(),(2,3,4)) # check if correct data is pushed to output
def test_002_t(self):
# set up fg
in_data = (1, 2, 3, 4, 5, 6)
packet_len = len(in_data)
src = blocks.vector_source_c(in_data)
s2ts = blocks.stream_to_tagged_stream(8, 1, packet_len, "packet_len")
split = radar.split_cc(1, (1, 3, 2))
snk = blocks.vector_sink_c()
self.tb.connect(src, s2ts, split, snk)
self.tb.run()
# check data
self.assertTupleEqual(
snk.data(), (2, 3, 4)) # check if correct data is pushed to output
def test_001_t (self): # set up fg samp_cw = 2**14 samp_up = 2**14 samp_down = samp_up packet_len = samp_cw+samp_up+samp_down min_output_buffer = packet_len*2 test_len = 2*packet_len samp_rate = 10000000 push_power = False center_freq = 5.7e9 Range = 200 velocity = 50 freq_cw = 0 freq_sweep = samp_rate/2 amplitude = 1 src = radar.signal_generator_fmcw_c(samp_rate, samp_up, samp_down, samp_cw, freq_cw, freq_sweep, amplitude) src.set_min_output_buffer(min_output_buffer) head = blocks.head(8,test_len) head.set_min_output_buffer(min_output_buffer) sim = radar.static_target_simulator_cc((Range,),(velocity,),(1e16,),(0,),(0,),samp_rate,center_freq,1,False,False) sim.set_min_output_buffer(min_output_buffer) mult = blocks.multiply_conjugate_cc() mult.set_min_output_buffer(min_output_buffer) decim_fac = 2**4 resamp = filter.rational_resampler_ccc(1,decim_fac) resamp_tag = blocks.tagged_stream_multiply_length(8,'packet_len',1.0/float(decim_fac)) resamp_tag.set_min_output_buffer(min_output_buffer/(decim_fac)) packets = (samp_cw/(decim_fac), samp_up/(decim_fac), samp_down/(decim_fac)) split_cw = radar.split_cc(0,packets) split_up = radar.split_cc(1,packets) split_down = radar.split_cc(2,packets) split_cw.set_min_output_buffer(min_output_buffer/(decim_fac)) split_up.set_min_output_buffer(min_output_buffer/(decim_fac)) split_down.set_min_output_buffer(min_output_buffer/(decim_fac)) fft_cw = radar.ts_fft_cc(samp_cw/(decim_fac)) fft_up = radar.ts_fft_cc(samp_up/(decim_fac)) fft_down = radar.ts_fft_cc(samp_down/(decim_fac)) fft_cw.set_min_output_buffer(min_output_buffer/(decim_fac)) fft_up.set_min_output_buffer(min_output_buffer/(decim_fac)) fft_down.set_min_output_buffer(min_output_buffer/(decim_fac)) threshold = -300 samp_protect = 0 cfar_cw = radar.find_max_peak_c(samp_rate/(decim_fac), threshold, samp_protect, (0,0), False) cfar_up = radar.find_max_peak_c(samp_rate/(decim_fac), threshold, samp_protect, (0,0), False) cfar_down = radar.find_max_peak_c(samp_rate/(decim_fac), threshold, samp_protect, (0,0), False) est = radar.estimator_fmcw(samp_rate/(decim_fac), center_freq, freq_sweep, samp_up/(decim_fac), samp_down/(decim_fac), push_power) res = radar.print_results() debug = blocks.message_debug() self.tb.connect(src,head,(mult,0)) self.tb.connect(head,sim,(mult,1)) self.tb.connect(mult,resamp, resamp_tag) self.tb.connect(resamp_tag,split_cw, fft_cw, cfar_cw) self.tb.connect(resamp_tag,split_up, fft_up, cfar_up) self.tb.connect(resamp_tag,split_down, fft_down, cfar_down) self.tb.msg_connect(cfar_cw,'Msg out',est,'Msg in CW') self.tb.msg_connect(cfar_up,'Msg out',est,'Msg in UP') self.tb.msg_connect(cfar_down,'Msg out',est,'Msg in DOWN') self.tb.msg_connect(est,'Msg out',res,'Msg in') self.tb.msg_connect(est,'Msg out',debug,'store') # run fg self.tb.start() sleep(0.5) self.tb.stop() self.tb.wait() # check data msg = debug.get_message(0) self.assertGreater( velocity/pmt.f32vector_ref(pmt.nth(1,(pmt.nth(1,msg))),0), 0.8 ) # check velocity value self.assertGreater( Range/pmt.f32vector_ref(pmt.nth(1,(pmt.nth(2,msg))),0), 0.8 ) # check range value
def test_001_t(self):
# set up fg
samp_cw = 2**14
samp_up = 2**14
samp_down = samp_up
packet_len = samp_cw + samp_up + samp_down
min_output_buffer = packet_len * 2
test_len = 2 * packet_len
samp_rate = 10000000
push_power = False
center_freq = 5.7e9
Range = 200
velocity = 50
freq_cw = 0
freq_sweep = samp_rate / 2
amplitude = 1
src = radar.signal_generator_fmcw_c(samp_rate, samp_up, samp_down,
samp_cw, freq_cw, freq_sweep,
amplitude)
src.set_min_output_buffer(min_output_buffer)
head = blocks.head(8, test_len)
head.set_min_output_buffer(min_output_buffer)
sim = radar.static_target_simulator_cc(
(Range, ), (velocity, ), (1e16, ), (0, ), (0, ), samp_rate,
center_freq, 1, False, False)
sim.set_min_output_buffer(min_output_buffer)
mult = blocks.multiply_conjugate_cc()
mult.set_min_output_buffer(min_output_buffer)
decim_fac = 2**4
resamp = filter.rational_resampler_ccc(1, decim_fac)
resamp_tag = blocks.tagged_stream_multiply_length(
8, 'packet_len', 1.0 / float(decim_fac))
resamp_tag.set_min_output_buffer(min_output_buffer / (decim_fac))
packets = (samp_cw / (decim_fac), samp_up / (decim_fac),
samp_down / (decim_fac))
split_cw = radar.split_cc(0, packets)
split_up = radar.split_cc(1, packets)
split_down = radar.split_cc(2, packets)
split_cw.set_min_output_buffer(min_output_buffer / (decim_fac))
split_up.set_min_output_buffer(min_output_buffer / (decim_fac))
split_down.set_min_output_buffer(min_output_buffer / (decim_fac))
fft_cw = radar.ts_fft_cc(samp_cw / (decim_fac))
fft_up = radar.ts_fft_cc(samp_up / (decim_fac))
fft_down = radar.ts_fft_cc(samp_down / (decim_fac))
fft_cw.set_min_output_buffer(min_output_buffer / (decim_fac))
fft_up.set_min_output_buffer(min_output_buffer / (decim_fac))
fft_down.set_min_output_buffer(min_output_buffer / (decim_fac))
threshold = -300
samp_protect = 0
cfar_cw = radar.find_max_peak_c(samp_rate / (decim_fac), threshold,
samp_protect, (0, 0), False)
cfar_up = radar.find_max_peak_c(samp_rate / (decim_fac), threshold,
samp_protect, (0, 0), False)
cfar_down = radar.find_max_peak_c(samp_rate / (decim_fac), threshold,
samp_protect, (0, 0), False)
est = radar.estimator_fmcw(samp_rate / (decim_fac), center_freq,
freq_sweep, samp_up / (decim_fac),
samp_down / (decim_fac), push_power)
res = radar.print_results()
debug = blocks.message_debug()
self.tb.connect(src, head, (mult, 0))
self.tb.connect(head, sim, (mult, 1))
self.tb.connect(mult, resamp, resamp_tag)
self.tb.connect(resamp_tag, split_cw, fft_cw, cfar_cw)
self.tb.connect(resamp_tag, split_up, fft_up, cfar_up)
self.tb.connect(resamp_tag, split_down, fft_down, cfar_down)
self.tb.msg_connect(cfar_cw, 'Msg out', est, 'Msg in CW')
self.tb.msg_connect(cfar_up, 'Msg out', est, 'Msg in UP')
self.tb.msg_connect(cfar_down, 'Msg out', est, 'Msg in DOWN')
self.tb.msg_connect(est, 'Msg out', res, 'Msg in')
self.tb.msg_connect(est, 'Msg out', debug, 'store')
# run fg
self.tb.start()
sleep(0.5)
self.tb.stop()
self.tb.wait()
# check data
msg = debug.get_message(0)
self.assertGreater(velocity /
pmt.f32vector_ref(pmt.nth(1, (pmt.nth(1, msg))), 0),
0.8) # check velocity value
self.assertGreater(Range /
pmt.f32vector_ref(pmt.nth(1, (pmt.nth(2, msg))), 0),
0.8) # check range value
