Mon Jan 14 10:47:40 2013 options id pam_sync _enabled True title author description window_size 1280, 1024 generate_options wx_gui category Custom run_options prompt run True max_nouts 0 realtime_scheduling _coordinate (-1, 0) _rotation 0 variable id const _enabled True value digital.qpsk_constellation() _coordinate (336, -2) _rotation 0 virtual_sink id virtual_sink_0 _enabled True stream_id input_signal_probe _coordinate (330, 183) _rotation 0 gr_pfb_clock_sync_xxx id gr_pfb_clock_sync_xxx_0 _enabled True type ccf sps spb alpha time_alpha beta time_beta taps rrctaps filter_size nfilts init_phase 16 max_dev 1.5 osps 1 _coordinate (598, 241) _rotation 0 digital_fll_band_edge_cc id digital_fll_band_edge_cc_0 _enabled True type cc samps_per_sym spb rolloff rolloff filter_size 44 w freq_bw _coordinate (331, 239) _rotation 0 variable id samp_rate _enabled True value 128000 _coordinate (193, -1) _rotation 0 random_source_x id random_source_x _enabled True type byte min 0 max const.arity() num_samps 10000000 repeat True _coordinate (0, 72) _rotation 0 gr_channel_model id gr_channel_model_0 _enabled True noise_voltage noise_amp freq_offset freq_offset epsilon interpratio taps 1.0 seed 42 _coordinate (46, 183) _rotation 0 gr_throttle id gr_throttle_0 _enabled True type complex samples_per_second samp_rate vlen 1 _coordinate (857, 95) _rotation 0 virtual_source id virtual_source_0 _enabled True stream_id input_signal_probe _coordinate (835, 562) _rotation 0 wxgui_scopesink2 id wxgui_scopesink2_0_0_1 _enabled True type complex title Pre-sync Signal samp_rate samp_rate v_scale .5 v_offset 0 t_scale 0 ac_couple False xy_mode False num_inputs 1 win_size grid_pos notebook notebook_0,1 trig_mode gr.gr_TRIG_MODE_AUTO y_axis_label Counts _coordinate (1081, 439) _rotation 0 wxgui_fftsink2 id wxgui_fftsink2_0 _enabled True type complex title Received spectrum samp_rate samp_rate baseband_freq 0 y_per_div 10 y_divs 10 ref_level 10 ref_scale 2.0 fft_size 1024 fft_rate 30 peak_hold False average False avg_alpha 0 win None win_size grid_pos notebook notebook_0,1 freqvar None _coordinate (1081, 563) _rotation 0 wxgui_fftsink2 id wxgui_fftsink2_0_0 _enabled True type complex title Post-sync spectrum samp_rate samp_rate baseband_freq 0 y_per_div 10 y_divs 10 ref_level 10 ref_scale 2.0 fft_size 1024 fft_rate 30 peak_hold False average False avg_alpha 0 win None win_size grid_pos notebook notebook_0,0 freqvar None _coordinate (347, 516) _rotation 180 wxgui_scopesink2 id wxgui_scopesink2_0 _enabled True type complex title Post-sync Signal samp_rate samp_rate v_scale 0 v_offset 0 t_scale 0 ac_couple False xy_mode True num_inputs 1 win_size grid_pos notebook notebook_0,0 trig_mode gr.gr_TRIG_MODE_AUTO y_axis_label Counts _coordinate (1085, 213) _rotation 0 variable_slider id freq_bw _enabled True label FLL Bandwidth value 0 min 0.0 max 0.05 num_steps 1000 style wx.SL_HORIZONTAL converver float_converter grid_pos (4,2,1,1) notebook _coordinate (341, 373) _rotation 180 variable_slider id time_alpha _enabled True label Timing Alpha value 0 min 0 max 1 num_steps 1000 style wx.SL_HORIZONTAL converver float_converter grid_pos (5,2,1,1) notebook _coordinate (598, 388) _rotation 0 variable_slider id time_beta _enabled True label Timing Beta value 0 min 0.0 max 0.1 num_steps 1000 style wx.SL_HORIZONTAL converver float_converter grid_pos (6,2,1,1) notebook _coordinate (708, 388) _rotation 180 variable_slider id phase_bw _enabled True label Costas Loop (Phase) Bandwidth value 0 min 0 max 0.1 num_steps 1000 style wx.SL_HORIZONTAL converver float_converter grid_pos (7,2,1,1) notebook _coordinate (866, 313) _rotation 0 notebook id notebook_0 _enabled True style wx.NB_TOP labels ['Synched Signal', 'Received Signal'] grid_pos (1,1,8,1) notebook _coordinate (9, 601) _rotation 0 variable_slider id interpratio _enabled True label Timing Offset value 1.00 min 0.99 max 1.01 num_steps 1000 style wx.SL_HORIZONTAL converver float_converter grid_pos (3,2,1,1) notebook _coordinate (60, 407) _rotation 180 gr_multiply_const_vxx id gr_multiply_const_vxx_0 _enabled True type complex const sig_amp vlen 1 _coordinate (659, 95) _rotation 0 gr_chunks_to_symbols_xx id gr_chunks_to_symbols_xx _enabled True in_type byte out_type complex symbol_table const.points() dimension 1 num_ports 1 _coordinate (178, 87) _rotation 0 variable id spb _enabled True value 4.0 _coordinate (513, -1) _rotation 0 variable id rolloff _enabled True value 0.35 _coordinate (578, -1) _rotation 0 variable id rrctaps _enabled True value firdes.root_raised_cosine(nfilts,1.0,1.0/(nfilts*spb), rolloff, int(11*spb*nfilts)) _coordinate (660, 0) _rotation 0 variable id sig_amp _enabled True value 1.0 _coordinate (887, -1) _rotation 0 variable id nfilts _enabled True value 32 _coordinate (816, 0) _rotation 0 blks2_pfb_arb_resampler_ccf id blks2_pfb_arb_resampler_ccf_0 _enabled True rate spb taps firdes.root_raised_cosine(nfilts, 1.0, 1.0/nfilts, rolloff, int(11*spb*nfilts)) size nfilts _coordinate (411, 80) _rotation 0 variable_slider id freq_offset _enabled True label Frequency Offset value 0 min -0.5 max 0.5 num_steps 1000 style wx.SL_HORIZONTAL converver float_converter grid_pos (2,2,1,1) notebook _coordinate (-1, 285) _rotation 0 variable_slider id noise_amp _enabled True label Channel Noise value 0 min 0 max 1.0 num_steps 1000 style wx.SL_HORIZONTAL converver float_converter grid_pos (1,2,1,1) notebook _coordinate (129, 285) _rotation 0 digital_costas_loop_cc id digital_costas_loop_cc_0 _enabled True w phase_bw order const.arity() _coordinate (866, 246) _rotation 0 gr_channel_model_0 virtual_sink_0 0 0 digital_fll_band_edge_cc_0 gr_pfb_clock_sync_xxx_0 0 0 gr_pfb_clock_sync_xxx_0 digital_costas_loop_cc_0 0 0 digital_costas_loop_cc_0 wxgui_scopesink2_0 0 0 blks2_pfb_arb_resampler_ccf_0 gr_multiply_const_vxx_0 0 0 gr_channel_model_0 digital_fll_band_edge_cc_0 0 0 digital_fll_band_edge_cc_0 wxgui_fftsink2_0_0 0 0 virtual_source_0 wxgui_fftsink2_0 0 0 virtual_source_0 wxgui_scopesink2_0_0_1 0 0 random_source_x gr_chunks_to_symbols_xx 0 0 gr_throttle_0 gr_channel_model_0 0 0 gr_multiply_const_vxx_0 gr_throttle_0 0 0 gr_chunks_to_symbols_xx blks2_pfb_arb_resampler_ccf_0 0 0