Sun Sep 27 10:13:25 2009 options id usrp_rx_hrpt_nogui _enabled True title USRP HRPT Receiver author description window_size 4096,4096 generate_options no_gui category Custom run True realtime_scheduling 1 _coordinate (10, 10) _rotation 0 variable id max_carrier_offset _enabled True value 2*math.pi*100e3/sample_rate _coordinate (575, 19) _rotation 0 variable id sym_rate _enabled True value 600*1109 _coordinate (301, 19) _rotation 0 variable id sps _enabled True value sample_rate/sym_rate _coordinate (397, 19) _rotation 0 variable id hs _enabled True value int(sps/2.0) _coordinate (499, 19) _rotation 0 variable id sample_rate _enabled True value 64e6/decim _coordinate (198, 17) _rotation 0 variable id max_sync_offset _enabled True value 0.01 _coordinate (705, 19) _rotation 0 variable id config_filename _enabled True value 'usrp_rx_hrpt.cfg' _coordinate (12, 167) _rotation 0 import id import_0 _enabled True import import math _coordinate (11, 112) _rotation 0 variable_config id output_filename _enabled True value 'frames.dat' type string config_file config_filename section 'output' option 'filename' writeback output_filename _coordinate (1146, 122) _rotation 0 variable_config id sync_alpha _enabled True value 0.05 type real config_file config_filename section 'demod' option 'sync_alpha' writeback sync_alpha _coordinate (988, 121) _rotation 0 variable_config id pll_alpha _enabled True value 0.05 type real config_file config_filename section 'demod' option 'pll_alpha' writeback pll_alpha _coordinate (830, 121) _rotation 0 variable_config id gain _enabled True value 35 type real config_file config_filename section 'usrp' option 'gain' writeback gain _coordinate (671, 122) _rotation 0 variable_config id freq _enabled True value 1698e6 type real config_file config_filename section 'usrp' option 'freq' writeback freq _coordinate (514, 121) _rotation 0 variable_config id decim _enabled True value 16 type real config_file config_filename section 'usrp' option 'decim' writeback decim _coordinate (358, 118) _rotation 0 variable_config id side _enabled True value 'A' type string config_file config_filename section 'usrp' option 'side' writeback side _coordinate (201, 116) _rotation 0 noaa_hrpt_decoder id decoder _enabled True _coordinate (1247, 347) _rotation 0 usrp_simple_source_x id usrp_source _enabled True type complex format which 0 decimation decim frequency freq lo_offset float('inf') gain gain side side rx_ant RXA hb_filters _coordinate (29, 303) _rotation 0 variable id mf_taps _enabled True value [-0.5/hs,]*hs+[0.5/hs,]*hs _coordinate (825, 19) _rotation 0 gr_agc_xx id agc _enabled True type complex rate 1e-6 reference 1.0 gain 1.0 max_gain 1.0 _coordinate (246, 319) _rotation 0 noaa_hrpt_deframer id deframer _enabled True _coordinate (1060, 347) _rotation 0 gr_file_sink id frame_sink _enabled True file output_filename type short vlen 1 _coordinate (1251, 454) _rotation 0 noaa_hrpt_sync_fb id sync _enabled True alpha sync_alpha beta sync_alpha**2/4.0 sps sps max_offset max_sync_offset _coordinate (833, 319) _rotation 0 noaa_hrpt_pll_cf id pll _enabled True alpha pll_alpha beta pll_alpha**2/4.0 max_offset max_carrier_offset _coordinate (638, 327) _rotation 0 gr_fir_filter_xxx id gr_fir_filter_xxx_0 _enabled True type ccc decim 1 taps mf_taps _coordinate (402, 335) _rotation 0 usrp_source agc 0 0 deframer decoder 0 0 pll sync 0 0 sync deframer 0 0 deframer frame_sink 0 0 agc gr_fir_filter_xxx_0 0 0 gr_fir_filter_xxx_0 pll 0 0