Wed Dec 16 09:47:16 2009 options id usrp_rx_lrit _enabled True title USRP LRIT Receiver author description window_size 4095, 4095 generate_options wx_gui category Custom run_options prompt run True realtime_scheduling _coordinate (10, 10) _rotation 0 variable id sample_rate _enabled True value 64e6/decim _coordinate (245, 9) _rotation 0 variable id symbol_rate _enabled True value 293e3 _coordinate (351, 9) _rotation 0 variable id sps _enabled True value sample_rate/symbol_rate _coordinate (456, 9) _rotation 0 import id import_0 _enabled True import import os _coordinate (9, 83) _rotation 0 variable id config_filename _enabled True value os.environ['HOME']+'/.gnuradio/config.conf' _coordinate (10, 142) _rotation 0 variable_text_box id freq _enabled True label Frequency value saved_freq converver float_converter formatter None grid_pos 0, 0, 1, 1 notebook _coordinate (247, 149) _rotation 0 variable_config id saved_freq _enabled True value 1691e6 type real config_file config_filename section 'usrp_rx_lrit' option 'freq' writeback freq _coordinate (246, 299) _rotation 0 variable_config id saved_offset _enabled True value 0 type real config_file config_filename section 'usrp_rx_lrit' option 'offset' writeback offset _coordinate (406, 300) _rotation 0 variable_slider id offset _enabled True label Offset value saved_offset min -50e3 max 50e3 num_steps 100 style wx.SL_HORIZONTAL converver float_converter grid_pos 0, 1, 1, 1 notebook _coordinate (390, 149) _rotation 0 variable_slider id costas_alpha _enabled True label Costas Alpha value saved_costas_alpha min 0 max 0.5 num_steps 100 style wx.SL_HORIZONTAL converver float_converter grid_pos 1, 1, 1, 1 notebook _coordinate (813, 152) _rotation 0 variable_slider id gain_mu _enabled True label Gain Mu value saved_gain_mu min 0 max 0.5 num_steps 100 style wx.SL_HORIZONTAL converver float_converter grid_pos 1, 2, 1, 1 notebook _coordinate (957, 151) _rotation 0 variable_config id saved_gain _enabled True value 33 type real config_file config_filename section 'usrp_rx_lrit' option 'gain' writeback gain _coordinate (565, 300) _rotation 0 variable_config id saved_decim _enabled True value 160 type int config_file config_filename section 'usrp_rx_lrit' option 'decim' writeback decim _coordinate (725, 300) _rotation 0 variable_text_box id decim _enabled True label Decim value saved_decim converver int_converter formatter None grid_pos 0, 2, 1, 1 notebook _coordinate (672, 151) _rotation 0 variable_config id saved_costas_alpha _enabled True value 0.005 type real config_file config_filename section 'usrp_rx_lrit' option 'costas_alpha' writeback costas_alpha _coordinate (885, 298) _rotation 0 variable_config id saved_gain_mu _enabled True value 0.005 type real config_file config_filename section 'usrp_rx_lrit' option 'gain_mu' writeback gain_mu _coordinate (1046, 298) _rotation 0 variable_config id side _enabled True value 'A' type string config_file config_filename section 'usrp_rx_lrit' option 'side' writeback side _coordinate (1102, 152) _rotation 0 gr_agc_xx id gr_agc_xx_0 _enabled True type complex rate 1e-6 reference 1.0 gain 1.0/32767.0 max_gain 1.0 _coordinate (286, 729) _rotation 0 wxgui_scopesink2 id rx_waveform _enabled True type complex title RX Waveform samp_rate sample_rate v_scale 0 v_offset 0 t_scale 20.0/sample_rate ac_couple False xy_mode False num_inputs 1 win_size grid_pos 1, 0, 1, 1 notebook displays, 0 _coordinate (281, 862) _rotation 0 wxgui_fftsink2 id rx_spectrum _enabled True type complex title RX Spectrum samp_rate sample_rate baseband_freq freq y_per_div 10 y_divs 10 ref_level 50 ref_scale 2.0 fft_size 1024 fft_rate 30 peak_hold False average False avg_alpha 0 win None win_size grid_pos 0, 0, 1, 1 notebook displays, 0 _coordinate (280, 468) _rotation 0 root_raised_cosine_filter id root_raised_cosine_filter_0 _enabled True type fir_filter_ccf decim 1 interp 1 gain 1 samp_rate sample_rate sym_rate symbol_rate alpha 0.25 ntaps int(11*sample_rate/symbol_rate) _coordinate (472, 713) _rotation 0 wxgui_scopesink2 id rrc_waveform _enabled True type complex title RRC Waveform samp_rate sample_rate v_scale 0.5 v_offset 0 t_scale 20.0/sample_rate ac_couple False xy_mode False num_inputs 1 win_size grid_pos 1, 0, 1, 1 notebook displays, 1 _coordinate (768, 866) _rotation 0 wxgui_fftsink2 id rrc_spectrum _enabled True type complex title RRC Spectrum samp_rate sample_rate baseband_freq freq+offset y_per_div 10 y_divs 10 ref_level -15 ref_scale 2.0 fft_size 1024 fft_rate 15 peak_hold False average False avg_alpha 0 win None win_size grid_pos 0, 0, 1, 1 notebook displays, 1 _coordinate (767, 499) _rotation 0 gr_costas_loop_cc id costas _enabled True alpha costas_alpha beta (costas_alpha**2.0)/4.0 max_freq 50e-6*sps min_freq -50e-6*sps order 2 _coordinate (767, 721) _rotation 0 wxgui_fftsink2 id costas_spectrum _enabled True type complex title PLL Spectrum samp_rate sample_rate baseband_freq freq+offset y_per_div 10 y_divs 10 ref_level -15 ref_scale 2.0 fft_size 1024 fft_rate 15 peak_hold False average False avg_alpha 0 win None win_size grid_pos 0, 0, 1, 1 notebook displays, 2 _coordinate (969, 502) _rotation 0 wxgui_fftsink2 id mm_spectrum _enabled True type complex title Bit Sync Spectrum samp_rate symbol_rate baseband_freq 0 y_per_div 10 y_divs 10 ref_level -15 ref_scale 2.0 fft_size 1024 fft_rate 15 peak_hold False average False avg_alpha 0 win None win_size grid_pos 0, 0, 1, 1 notebook displays, 3 _coordinate (1225, 503) _rotation 0 wxgui_scopesink2 id costas_waveform _enabled True type complex title PLL Waveform samp_rate sample_rate v_scale 0.5 v_offset 0 t_scale 20.0/sample_rate ac_couple False xy_mode False num_inputs 1 win_size grid_pos 1, 0, 1, 1 notebook displays, 2 _coordinate (968, 852) _rotation 0 gr_clock_recovery_mm_xx id mm_sync _enabled True type complex omega sps gain_omega (gain_mu**2)/4.0 mu 0.5 gain_mu gain_mu omega_relative_limit 50e-6*sps _coordinate (969, 722) _rotation 0 wxgui_scopesink2 id mm_const _enabled True type complex title Constellation samp_rate symbol_rate v_scale 0.5 v_offset 0 t_scale 20.0/symbol_rate ac_couple False xy_mode True num_inputs 1 win_size grid_pos 1, 0, 1, 1 notebook displays, 3 _coordinate (1225, 859) _rotation 0 notebook id displays _enabled True style wx.NB_TOP labels ['USRP RX','RRC','PLL','Const'] grid_pos 2, 0, 1, 3 notebook _coordinate (10, 228) _rotation 0 variable_slider id gain _enabled True label Gain value saved_gain min 0 max 115 num_steps 115 style wx.SL_HORIZONTAL converver float_converter grid_pos 1, 0, 1, 1 notebook _coordinate (532, 150) _rotation 0 gr_throttle id gr_throttle_0 _enabled False type complex samples_per_second sample_rate vlen 1 _coordinate (63, 859) _rotation 0 gr_file_source id gr_file_source_0 _enabled False file lrit.dat type complex repeat False vlen 1 _coordinate (36, 943) _rotation 0 usrp_simple_source_x id usrp_simple_source_x_0 _enabled True type complex format which 0 decimation decim frequency freq+offset lo_offset float('inf') gain gain side side rx_ant RXA hb_filters _coordinate (19, 713) _rotation 0 gr_agc_xx_0 root_raised_cosine_filter_0 0 0 gr_throttle_0 gr_agc_xx_0 0 0 gr_file_source_0 gr_throttle_0 0 0 usrp_simple_source_x_0 gr_agc_xx_0 0 0 usrp_simple_source_x_0 rx_spectrum 0 0 gr_throttle_0 rx_spectrum 0 0 usrp_simple_source_x_0 rx_waveform 0 0 gr_throttle_0 rx_waveform 0 0 root_raised_cosine_filter_0 rrc_waveform 0 0 root_raised_cosine_filter_0 rrc_spectrum 0 0 root_raised_cosine_filter_0 costas 0 0 costas costas_spectrum 0 0 costas costas_waveform 0 0 costas mm_sync 0 0 mm_sync mm_spectrum 0 0 mm_sync mm_const 0 0