Tue Sep 23 18:04:31 2014 variable id sps _enabled True value 4 alias _coordinate (337, 11) _rotation 0 variable id taps _enabled False value [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j] alias _coordinate (573, 10) _rotation 0 variable id taps _enabled True value [1.0 + 0.0j, ] alias _coordinate (501, 10) _rotation 0 variable id excess_bw _enabled True value 0.35 alias _coordinate (408, 10) _rotation 0 variable id samp_rate _enabled True value 32000 alias _coordinate (174, 11) _rotation 0 variable id arity _enabled True value 4 alias _coordinate (266, 11) _rotation 0 channels_channel_model id channels_channel_model_0 _enabled True noise_voltage noise_volt freq_offset freq_offset epsilon time_offset taps taps seed 0 block_tags False alias affinity minoutbuf 0 maxoutbuf 0 _coordinate (224, 195) _rotation 0 qtgui_time_sink_x id qtgui_time_sink_x_0 _enabled True type complex name ylabel Amplitude yunit "" size 200 srate samp_rate grid False autoscale False ymin -2 ymax 2 nconnections 1 update_time 0.10 entags True gui_hint 1,0,1,2 tr_mode qtgui.TRIG_MODE_FREE tr_slope qtgui.TRIG_SLOPE_POS tr_level 0.0 tr_delay 0 tr_chan 0 tr_tag "" label1 width1 1 color1 "blue" style1 1 marker1 -1 alpha1 1.0 label2 width2 1 color2 "red" style2 1 marker2 -1 alpha2 1.0 label3 width3 1 color3 "green" style3 1 marker3 -1 alpha3 1.0 label4 width4 1 color4 "black" style4 1 marker4 -1 alpha4 1.0 label5 width5 1 color5 "cyan" style5 1 marker5 -1 alpha5 1.0 label6 width6 1 color6 "magenta" style6 1 marker6 -1 alpha6 1.0 label7 width7 1 color7 "yellow" style7 1 marker7 -1 alpha7 1.0 label8 width8 1 color8 "dark red" style8 1 marker8 -1 alpha8 1.0 label9 width9 1 color9 "dark green" style9 1 marker9 -1 alpha9 1.0 label10 width10 1 color10 "blue" style10 1 marker10 -1 alpha10 1.0 alias affinity _coordinate (424, 203) _rotation 0 qtgui_freq_sink_x id qtgui_freq_sink_x_0 _enabled True type complex name fftsize 1024 wintype firdes.WIN_BLACKMAN_hARRIS fc 0 bw samp_rate grid False autoscale False average 1.0 ymin -140 ymax 10 nconnections 1 update_time 0.10 gui_hint 2,0,1,4 showports True label1 width1 2 color1 "blue" alpha1 1.0 label2 width2 1 color2 "red" alpha2 1.0 label3 width3 1 color3 "green" alpha3 1.0 label4 width4 1 color4 "black" alpha4 1.0 label5 width5 1 color5 "cyan" alpha5 1.0 label6 width6 1 color6 "magenta" alpha6 1.0 label7 width7 1 color7 "yellow" alpha7 1.0 label8 width8 1 color8 "dark red" alpha8 1.0 label9 width9 1 color9 "dark green" alpha9 1.0 label10 width10 1 color10 "dark blue" alpha10 1.0 alias affinity minoutbuf 0 maxoutbuf 0 _coordinate (424, 347) _rotation 0 qtgui_const_sink_x id qtgui_const_sink_x_0 _enabled True type complex name size 1024 grid False autoscale False ymin -2 ymax 2 xmin -2 xmax 2 nconnections 1 update_time 0.10 gui_hint 1,2,1,2 tr_mode qtgui.TRIG_MODE_FREE tr_slope qtgui.TRIG_SLOPE_POS tr_level 0.0 tr_chan 0 tr_tag "" label1 width1 1 color1 "blue" style1 0 marker1 0 alpha1 1.0 label2 width2 1 color2 "red" style2 0 marker2 0 alpha2 1.0 label3 width3 1 color3 "red" style3 0 marker3 0 alpha3 1.0 label4 width4 1 color4 "red" style4 0 marker4 0 alpha4 1.0 label5 width5 1 color5 "red" style5 0 marker5 0 alpha5 1.0 label6 width6 1 color6 "red" style6 0 marker6 0 alpha6 1.0 label7 width7 1 color7 "red" style7 0 marker7 0 alpha7 1.0 label8 width8 1 color8 "red" style8 0 marker8 0 alpha8 1.0 label9 width9 1 color9 "red" style9 0 marker9 0 alpha9 1.0 label10 width10 1 color10 "red" style10 0 marker10 0 alpha10 1.0 alias affinity _coordinate (424, 283) _rotation 0 digital_constellation_modulator id digital_constellation_modulator_0 _enabled True constellation qpsk differential True samples_per_symbol sps excess_bw excess_bw verbose False log False alias affinity minoutbuf 0 maxoutbuf 0 _coordinate (176, 75) _rotation 0 variable_qtgui_range id noise_volt _enabled True label Channel: Noise Voltage value 0.0001 start 0 stop 1 step 0.01 widget slider orient Qt.Horizontal min_len 200 gui_hint 0,0,1,1 alias _coordinate (8, 211) _rotation 0 variable_qtgui_range id freq_offset _enabled True label Channel: Frequency Offset value 0 start -0.1 stop 0.1 step 0.001 widget slider orient Qt.Horizontal min_len 200 gui_hint 0,2,1,1 alias _coordinate (184, 347) _rotation 0 variable_qtgui_range id time_offset _enabled True label Channel: Timing Offset value 1.00 start 0.999 stop 1.001 step 0.0001 widget slider orient Qt.Horizontal min_len 200 gui_hint 0,1,1,1 alias _coordinate (8, 347) _rotation 0 blocks_throttle id blocks_throttle_0 _enabled True type complex samples_per_second samp_rate vlen 1 ignoretag True alias affinity minoutbuf 0 maxoutbuf 0 _coordinate (400, 99) _rotation 0 analog_random_source_x id analog_random_source_x_0 _enabled True type byte min 0 max 256 num_samps 10000 repeat True alias affinity minoutbuf 0 maxoutbuf 0 _coordinate (8, 75) _rotation 0 variable_constellation_rect id qpsk _enabled True sym_map [0, 1, 2, 3] const_points [0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j] rot_sym 4 real_sect 2 imag_sect 2 w_real_sect 1 w_imag_sect 1 precision 8 softbits_lut None alias _coordinate (568, 75) _rotation 0 options id mpsk_stage2 _enabled True title author description window_size 2000,2000 generate_options qt_gui category Custom run_options prompt run True max_nouts 0 realtime_scheduling alias _coordinate (8, 11) _rotation 0 channels_channel_model_0 qtgui_time_sink_x_0 0 0 channels_channel_model_0 qtgui_const_sink_x_0 0 0 channels_channel_model_0 qtgui_freq_sink_x_0 0 0 blocks_throttle_0 channels_channel_model_0 0 0 digital_constellation_modulator_0 blocks_throttle_0 0 0 analog_random_source_x_0 digital_constellation_modulator_0 0 0