本文整理汇总了Python中gnuradio.digital.clock_recovery_mm_ff方法的典型用法代码示例。如果您正苦于以下问题：Python digital.clock_recovery_mm_ff方法的具体用法？Python digital.clock_recovery_mm_ff怎么用？Python digital.clock_recovery_mm_ff使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类gnuradio.digital的用法示例。
在下文中一共展示了digital.clock_recovery_mm_ff方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
# 需要导入模块: from gnuradio import digital [as 别名]
# 或者: from gnuradio.digital import clock_recovery_mm_ff [as 别名]
def __init__(self, dc_block_len=1000, samp_per_sym=10, rx_bit_inv=1):
gr.hier_block2.__init__(
self, "GMSK Demodulator",
gr.io_signature(1, 1, gr.sizeof_float*1),
gr.io_signature(1, 1, gr.sizeof_char*1),
)
##################################################
# Parameters
##################################################
self.dc_block_len = dc_block_len
self.samp_per_sym = samp_per_sym
self.rx_bit_inv = rx_bit_inv
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 48000
##################################################
# Blocks
##################################################
self.digital_clock_recovery_mm_xx_0_0 = digital.clock_recovery_mm_ff(samp_per_sym*(1+0.0), 0.25*0.175*0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
self.dc_blocker_xx_0 = filter.dc_blocker_ff(dc_block_len, False)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((rx_bit_inv, ))
##################################################
# Connections
##################################################
self.connect((self.dc_blocker_xx_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0_0, 0), (self.digital_binary_slicer_fb_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.digital_clock_recovery_mm_xx_0_0, 0))
self.connect((self.digital_binary_slicer_fb_0_0, 0), (self, 0))
self.connect((self, 0), (self.dc_blocker_xx_0, 0))
# QT sink close method reimplementation 示例2: __init__
# 需要导入模块: from gnuradio import digital [as 别名]
# 或者: from gnuradio.digital import clock_recovery_mm_ff [as 别名]
def __init__(self):
gr.top_block.__init__(self)
##################################################
# Variables
##################################################
self.throttle_rate = throttle_rate = 4000000
self.samp_rate = samp_rate = 400000
self.samp_per_sym = samp_per_sym = samp_rate/9910.0
self.fsk_deviation_hz = fsk_deviation_hz = 41000
##################################################
# Blocks
##################################################
if usefile:
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_gr_complex*1, 'driverecording400kHz.cfile', False)
# Adjust offset depending on where carrier is
self.freqadj=10000
self.decim=1
throttle_rate=400000
else:
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + '' )
self.osmosdr_source_0.set_sample_rate(throttle_rate)
self.osmosdr_source_0.set_center_freq(316e6, 0)
self.osmosdr_source_0.set_freq_corr(4, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(14, 0)
self.osmosdr_source_0.set_if_gain(30, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.freqadj=-1.015e6
self.decim=10
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(self.decim, (firdes.low_pass(1, throttle_rate, 180000, 20000, firdes.WIN_HAMMING, 6.76)), self.freqadj, throttle_rate)
self.low_pass_filter_0 = filter.fir_filter_fff(1, firdes.low_pass(1, samp_rate, 8000, 5000, firdes.WIN_HAMMING, 6.76))
self.digital_correlate_access_code_bb_0 = digital.correlate_access_code_bb('000111111001', 0)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(samp_per_sym*(1+0.0), 0.25*0.175*0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_tpmsrx_sink_0 = tpmsrx()
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(samp_rate/(2*math.pi*fsk_deviation_hz/8.0))
##################################################
# Connections
##################################################
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_quadrature_demod_cf_0, 0))
if usefile:
self.connect((self.blocks_file_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
else:
self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.digital_correlate_access_code_bb_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_correlate_access_code_bb_0, 0), (self.blocks_tpmsrx_sink_0, 0)) 示例3: __init__
# 需要导入模块: from gnuradio import digital [as 别名]
# 或者: from gnuradio.digital import clock_recovery_mm_ff [as 别名]
def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 4000
self.lpf = lpf = firdes.low_pass_2(1, 4000, 30, 10, 40)
self.baud_rate = baud_rate = 31.25
self.tune_freq = tune_freq = 2003
self.sps = sps = int(samp_rate / 4 / baud_rate)
self.lpf_len = lpf_len = len(lpf)
self.audio_samp_rate = audio_samp_rate = 44100
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_2 = filter.rational_resampler_ccc(
interpolation=4000,
decimation=44100,
taps=None,
fractional_bw=None,
)
self.psk31_varicode_dec_b_0 = psk31.varicode_dec_b()
self.hilbert_fc_1 = filter.hilbert_fc(65, firdes.WIN_HAMMING, 6.76)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(4, (lpf), tune_freq-2000, samp_rate)
self.fir_filter_xxx_0 = filter.fir_filter_ccc(sps/4, ([math.sin(math.pi*t/sps) / 50 / math.pi for t in xrange(sps)]))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_costas_loop_cc_1 = digital.costas_loop_cc(2*math.pi/2/100, 2, False)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(4*(1+0.0), 0.25*0.175*0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, audio_samp_rate*10,True)
self.blocks_rotator_cc_0 = blocks.rotator_cc(2*math.pi*-2000/audio_samp_rate)
self.blocks_not_xx_0 = blocks.not_bb()
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_and_const_xx_0 = blocks.and_const_bb(1)
self.audio_source_0 = audio.source(audio_samp_rate, "", True)
##################################################
# Connections
##################################################
self.connect((self.audio_source_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_and_const_xx_0, 0), (self.psk31_varicode_dec_b_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.blocks_not_xx_0, 0), (self.blocks_and_const_xx_0, 0))
self.connect((self.blocks_rotator_cc_0, 0), (self.rational_resampler_xxx_2, 0))
self.connect((self.blocks_throttle_0, 0), (self.hilbert_fc_1, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_costas_loop_cc_1, 0), (self.fir_filter_xxx_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_not_xx_0, 0))
self.connect((self.fir_filter_xxx_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.digital_costas_loop_cc_1, 0))
self.connect((self.hilbert_fc_1, 0), (self.blocks_rotator_cc_0, 0))
self.connect((self.rational_resampler_xxx_2, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) 示例4: __init__
# 需要导入模块: from gnuradio import digital [as 别名]
# 或者: from gnuradio.digital import clock_recovery_mm_ff [as 别名]
def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 4000
self.lpf = lpf = firdes.low_pass_2(1, 4000, 30, 10, 40)
self.baud_rate = baud_rate = 31.25
self.tune_freq = tune_freq = 2000
self.sps = sps = int(samp_rate / 4 / baud_rate)
self.lpf_len = lpf_len = len(lpf)
self.audio_samp_rate = audio_samp_rate = 44100
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_2 = filter.rational_resampler_ccc(
interpolation=4000,
decimation=44100,
taps=None,
fractional_bw=None,
)
self.psk31_varicode_dec_b_0 = psk31.varicode_dec_b()
self.hilbert_fc_1 = filter.hilbert_fc(65, firdes.WIN_HAMMING, 6.76)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(4, (lpf), tune_freq-2000, samp_rate)
self.fir_filter_xxx_0 = filter.fir_filter_ccc(sps/4, ([math.sin(math.pi*t/sps) / 50 / math.pi for t in xrange(sps)]))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_costas_loop_cc_1 = digital.costas_loop_cc(2*math.pi/2/100, 2, False)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(4*(1+0.0), 0.25*0.175*0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, audio_samp_rate*10,True)
self.blocks_rotator_cc_0 = blocks.rotator_cc(2*math.pi*-2000/audio_samp_rate)
self.blocks_not_xx_0 = blocks.not_bb()
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_and_const_xx_0 = blocks.and_const_bb(1)
self.audio_source_0 = audio.source(audio_samp_rate, "", True)
##################################################
# Connections
##################################################
self.connect((self.audio_source_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_and_const_xx_0, 0), (self.psk31_varicode_dec_b_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.blocks_not_xx_0, 0), (self.blocks_and_const_xx_0, 0))
self.connect((self.blocks_rotator_cc_0, 0), (self.rational_resampler_xxx_2, 0))
self.connect((self.blocks_throttle_0, 0), (self.hilbert_fc_1, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_costas_loop_cc_1, 0), (self.fir_filter_xxx_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_not_xx_0, 0))
self.connect((self.fir_filter_xxx_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.digital_costas_loop_cc_1, 0))
self.connect((self.hilbert_fc_1, 0), (self.blocks_rotator_cc_0, 0))
self.connect((self.rational_resampler_xxx_2, 0), (self.freq_xlating_fir_filter_xxx_0, 0))