Sat Aug 29 13:16:19 2009 options id usrp_rx_hrpt _enabled True title USRP HRPT Receiver author description window_size 4096,4096 generate_options wx_gui category Custom run True realtime_scheduling _coordinate (10, 10) _rotation 0 import id import_0 _enabled True import import math _coordinate (9, 202) _rotation 0 gr_throttle id throttle _enabled True type complex samples_per_second sample_rate vlen 1 _coordinate (79, 518) _rotation 0 gr_file_source id src _enabled True file poes-d16.dat type complex repeat True vlen 1 _coordinate (34, 423) _rotation 0 variable id decim _enabled True value 16 _coordinate (186, 10) _rotation 0 variable id hs _enabled True value int(sps/2.0) _coordinate (589, 13) _rotation 0 variable id sym_rate _enabled True value 600*1109 _coordinate (383, 7) _rotation 0 variable id sps _enabled True value sample_rate/sym_rate _coordinate (479, 11) _rotation 0 variable id sample_rate _enabled True value 64e6/decim _coordinate (273, 9) _rotation 0 variable id max_carrier_offset _enabled True value 2*math.pi*100e3/sample_rate _coordinate (668, 107) _rotation 0 variable id max_sync_offset _enabled True value 0.01 _coordinate (665, 173) _rotation 0 wxgui_scopesink2 id wxgui_scopesink2_0_0 _enabled True type complex title Post-PLL samp_rate sample_rate v_scale 0.5 t_scale 20.0/sample_rate ac_couple False xy_mode False num_inputs 1 grid_pos 0, 0, 1, 1 notebook displays, 1 _coordinate (618, 335) _rotation 180 notebook id displays _enabled True style wx.NB_TOP labels ['RX','PLL','SYNC'] grid_pos 1, 0, 1, 2 notebook _coordinate (9, 99) _rotation 0 wxgui_scopesink2 id wxgui_scopesink2_0_0_0 _enabled True type complex title Post-PLL samp_rate sample_rate v_scale 0.5 t_scale 20.0/sample_rate ac_couple False xy_mode True num_inputs 1 grid_pos 1, 0, 1, 1 notebook displays, 1 _coordinate (618, 614) _rotation 180 noaa_hrpt_sync_cc id sync _enabled True alpha sync_alpha beta sync_alpha**2/4.0 sps sps max_offset max_sync_offset _coordinate (865, 494) _rotation 0 wxgui_scopesink2 id wxgui_scopesink2_0_0_0_0 _enabled True type complex title Post-SYNC samp_rate sym_rate v_scale 0.5 t_scale 20.0/sym_rate ac_couple False xy_mode True num_inputs 1 grid_pos 1, 0, 1, 1 notebook displays, 2 _coordinate (872, 607) _rotation 180 wxgui_scopesink2 id wxgui_scopesink2_0_0_1 _enabled True type complex title Post-SYNC samp_rate sym_rate v_scale 0.5 t_scale 20.0/sym_rate ac_couple False xy_mode False num_inputs 1 grid_pos 0, 0, 1, 1 notebook displays, 2 _coordinate (872, 341) _rotation 180 gr_agc_xx id agr _enabled True type complex rate 1e-6 reference 1.0 gain 1.0 max_gain 1.0 _coordinate (261, 494) _rotation 0 noaa_hrpt_pll_cc id noaa_hrpt_pll_cc_0 _enabled True alpha pll_alpha beta pll_alpha**2/4.0 max_offset max_carrier_offset _coordinate (628, 502) _rotation 0 wxgui_fftsink2 id rx_fftsink _enabled True type complex title RX Spectrum samp_rate sample_rate baseband_freq 1698e6 y_per_div 5 y_divs 8 ref_level 20 fft_size 1024 fft_rate 30 peak_hold False average True avg_alpha 0.1 grid_pos 0, 0, 1, 1 notebook displays, 0 _coordinate (433, 297) _rotation 0 wxgui_scopesink2 id wxgui_scopesink2_0 _enabled True type complex title RX Waveform samp_rate sample_rate v_scale 0 t_scale 20.0/sample_rate ac_couple False xy_mode False num_inputs 1 grid_pos 1, 0, 1, 1 notebook displays, 0 _coordinate (434, 603) _rotation 0 variable_slider id pll_alpha _enabled True label PLL Alpha value 0.001 min 0.0 max 0.5 num_steps 500 style wx.SL_HORIZONTAL converver float_converter grid_pos 0, 0, 1, 1 notebook _coordinate (192, 100) _rotation 0 variable_slider id sync_alpha _enabled True label SYNC Alpha value 0.001 min 0.0 max 0.5 num_steps 500 style wx.SL_HORIZONTAL converver float_converter grid_pos 0, 1, 1, 1 notebook _coordinate (344, 101) _rotation 0 src throttle 0 0 throttle agr 0 0 agr rx_fftsink 0 0 agr wxgui_scopesink2_0 0 0 noaa_hrpt_pll_cc_0 wxgui_scopesink2_0_0 0 0 noaa_hrpt_pll_cc_0 wxgui_scopesink2_0_0_0 0 0 noaa_hrpt_pll_cc_0 sync 0 0 sync wxgui_scopesink2_0_0_1 0 0 sync wxgui_scopesink2_0_0_0_0 0 0 agr noaa_hrpt_pll_cc_0 0 0