def run_reconstructor(signal_queue, websocket_rec_queue, det_queue, reconstructor, sample_freq):
while True:
inp = signal_queue.dequeue()
if inp is not None:
rx = reconstructor.reconstruct(inp)
signal = sc.fft(rx)
det_queue.queue(rx)
ss.send_to_websocket(websocket_rec_queue, signal, ss.websocket.ServerProtocolData.REC_DATA)
def run_reconstructor(signal_queue, websocket_rec_queue, det_queue,
reconstructor, sample_freq):
while True:
inp = signal_queue.dequeue()
if inp is not None:
rx = reconstructor.reconstruct(inp)
signal = sc.fft(rx)
det_queue.queue(rx)
ss.send_to_websocket(websocket_rec_queue, signal,
ss.websocket.ServerProtocolData.REC_DATA)
def test_fft(self):
fft_ref = np.array([
5.55655774595920, 6.04640121289538, 7.27754296745640,
10.1731127625259, 19.5220604308632, 55, 19.5220604308632,
10.1731127625259, 7.27754296745640, 6.04640121289538,
5.55655774595920
])
signal = np.linspace(0, 10, 11)
fft = sc.fft(signal)
np.testing.assert_array_almost_equal(fft, fft_ref)
def run_generator(signal_queue, websocket_src_queue, source, sampler, sample_freq, block_size, upscale_factor):
settings = ss.get_settings_object()
while True:
source.parse_options(settings.read())
orig_signal = source.generate(block_size)
sampled = sampler.sample(orig_signal)
signal_queue.queue(sampled)
offset = int(block_size / upscale_factor)
data = sc.fft(sc.auto_correlation(orig_signal, maxlag=offset))
ss.send_to_websocket(websocket_src_queue, data, ss.websocket.ServerProtocolData.SRC_DATA)
def run_generator(signal_queue, websocket_src_queue, source, sampler,
sample_freq, block_size, upscale_factor):
settings = ss.get_settings_object()
while True:
source.parse_options(settings.read())
orig_signal = source.generate(block_size)
sampled = sampler.sample(orig_signal)
signal_queue.queue(sampled)
offset = int(block_size / upscale_factor)
data = sc.fft(sc.auto_correlation(orig_signal, maxlag=offset))
ss.send_to_websocket(websocket_src_queue, data,
ss.websocket.ServerProtocolData.SRC_DATA)
def test_fft(self):
fft_ref = np.array(
[
5.55655774595920,
6.04640121289538,
7.27754296745640,
10.1731127625259,
19.5220604308632,
55,
19.5220604308632,
10.1731127625259,
7.27754296745640,
6.04640121289538,
5.55655774595920,
]
)
signal = np.linspace(0, 10, 11)
fft = sc.fft(signal)
np.testing.assert_array_almost_equal(fft, fft_ref)
def test_sigma(self):
inp = self.ref['rx_est']
psd = sc.fft(inp.ravel())
sigma = self.detect.estimate_sigma(psd)
sigma_ref = self.ref['sigma_est'][0, 0]
np.testing.assert_almost_equal(sigma, sigma_ref)
