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Christoph Mayer 2019-10-11 13:27:44 +02:00
parent b206836026
commit 8430fbb12a
1 changed files with 7 additions and 5 deletions
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12
python/physical_layer/MIL_STD_188_110A.py
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@ -222,8 +222,9 @@ class PhysicalLayer(object):
def get_doppler(self, iq_samples): def get_doppler(self, iq_samples):
"""quality check and doppler estimation for preamble""" """quality check and doppler estimation for preamble"""
r = {'success': False, ## -- quality flag r = {'success': False, ## -- quality flag
'doppler': 0} ## -- doppler estimate (rad/symb) 'use_amp_est': self._frame_counter < 0,
'doppler': 0} ## -- doppler estimate (rad/symb)
if len(iq_samples) != 0: if len(iq_samples) != 0:
sps = self._sps sps = self._sps
zp = np.array([z for z in PhysicalLayer.get_preamble()['symb'] zp = np.array([z for z in PhysicalLayer.get_preamble()['symb']
@ -269,9 +270,10 @@ class PhysicalLayer(object):
self._deinterleaver = Deinterleaver(mode['interleaver'][1], mode['interleaver'][2]) self._deinterleaver = Deinterleaver(mode['interleaver'][1], mode['interleaver'][2])
self._depuncturer = common.Depuncturer(repeat=mode['repeat']) self._depuncturer = common.Depuncturer(repeat=mode['repeat'])
self._viterbi_decoder = viterbi27(0x6d, 0x4f) self._viterbi_decoder = viterbi27(0x6d, 0x4f)
self._mode_description = 'MIL_STD_188-110A: %dbps intl=%s [U=%d,K=%d]' % (mode['bit_rate'], self._mode_description = 'MIL_STD_188-110A: (%d,%d) %dbps intl=%s [U=%d,K=%d]' % (data[9],data[10],
mode['interleaver'][0], mode['bit_rate'],
mode['unknown'], mode['known']) mode['interleaver'][0],
mode['unknown'], mode['known'])
print(self._d1d2, mode, self._frame_len, self._mode_description) print(self._d1d2, mode, self._frame_len, self._mode_description)
return True return True