Sat Nov 15 20:00:43 2014 options id top_block _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 alias _coordinate (10, 10) _rotation 0 variable id samp_rate _enabled True value 250000 alias _coordinate (184, 11) _rotation 0 variable id decimation _enabled True value 4 alias _coordinate (808, 11) _rotation 0 analog_sig_source_x id analog_sig_source_x_0 _enabled True type float samp_rate samp_rate waveform analog.GR_COS_WAVE freq fmod amp 0.4 offset 0 alias affinity minoutbuf 0 maxoutbuf 0 _coordinate (16, 83) _rotation 0 variable_slider id fmod _enabled True label Modulation frequency value 7e3 min 0 max 40e3 num_steps 100 style wx.SL_HORIZONTAL converver float_converter grid_pos notebook alias _coordinate (344, 11) _rotation 0 blocks_add_const_vxx id blocks_add_const_vxx_0 _enabled True type float const 0.5 vlen 1 alias affinity minoutbuf 0 maxoutbuf 0 _coordinate (184, 115) _rotation 0 analog_sig_source_x id analog_sig_source_x_0_0 _enabled True type float samp_rate samp_rate waveform analog.GR_COS_WAVE freq fcarr amp 1 offset 0 alias affinity minoutbuf 0 maxoutbuf 0 _coordinate (16, 195) _rotation 0 wxgui_fftsink2 id wxgui_fftsink2_0 _enabled True type float title FFT Plot of Real AM Source samp_rate samp_rate baseband_freq 0 y_per_div 10 y_divs 10 ref_level 0 ref_scale 2.0 fft_size 1024 fft_rate 15 peak_hold False average False avg_alpha 0 win None win_size grid_pos notebook nb0,0 freqvar None alias affinity _coordinate (1080, 139) _rotation 0 freq_xlating_fir_filter_xxx id freq_xlating_fir_filter_xxx_0 _enabled True type fcf decim decimation taps firdes.low_pass(1,1,.5/decimation-0.05,0.01) center_freq fcarr samp_rate samp_rate alias affinity minoutbuf 0 maxoutbuf 0 _coordinate (88, 379) _rotation 0 ha5kfu_execproc_xx id ha5kfu_execproc_xx_0 _enabled True type cf commandline csdr amdemod_cf alias affinity minoutbuf 0 maxoutbuf 0 _coordinate (336, 523) _rotation 0 wxgui_scopesink2 id wxgui_scopesink2_0 _enabled True type float title Scope Plot after amdemod_cf samp_rate samp_rate/decimation v_scale 0 v_offset 0 t_scale 0 ac_couple False xy_mode False num_inputs 1 win_size grid_pos notebook nb0,2 trig_mode wxgui.TRIG_MODE_AUTO y_axis_label Counts alias affinity _coordinate (848, 587) _rotation 0 blocks_multiply_xx id blocks_multiply_xx_0 _enabled True type float num_inputs 2 vlen 1 alias affinity minoutbuf 0 maxoutbuf 0 _coordinate (224, 200) _rotation 0 blocks_multiply_const_vxx id blocks_multiply_const_vxx_0 _enabled True type float const gain vlen 1 alias affinity minoutbuf 0 maxoutbuf 0 _coordinate (352, 211) _rotation 0 blocks_throttle id blocks_throttle_0 _enabled True type float samples_per_second samp_rate vlen 1 ignoretag True alias affinity minoutbuf 0 maxoutbuf 0 _coordinate (512, 211) _rotation 0 wxgui_fftsink2 id wxgui_fftsink2_0_0 _enabled True type complex title FFT Plot of Downconverted AM Source samp_rate samp_rate/decimation baseband_freq 0 y_per_div 10 y_divs 10 ref_level 0 ref_scale 2.0 fft_size 1024 fft_rate 15 peak_hold False average False avg_alpha 0 win None win_size grid_pos notebook nb0,0 freqvar None alias affinity _coordinate (672, 323) _rotation 0 wxgui_fftsink2 id wxgui_fftsink2_0_0_0 _enabled True type float title FFT Plot after amdemod_cf samp_rate samp_rate/decimation baseband_freq 0 y_per_div 10 y_divs 10 ref_level 0 ref_scale 2.0 fft_size 1024 fft_rate 15 peak_hold False average False avg_alpha 0 win None win_size grid_pos notebook nb0,1 freqvar None alias affinity _coordinate (1040, 443) _rotation 0 wxgui_fftsink2 id wxgui_fftsink2_0_0_0_0 _enabled True type float title FFT Plot after amdemod_estimator_cf samp_rate samp_rate/decimation baseband_freq 0 y_per_div 10 y_divs 10 ref_level 0 ref_scale 2.0 fft_size 1024 fft_rate 15 peak_hold False average False avg_alpha 0 win None win_size grid_pos notebook nb0,1 freqvar None alias affinity _coordinate (1040, 667) _rotation 0 wxgui_scopesink2 id wxgui_scopesink2_0_0 _enabled True type float title Scope Plot after amdemod_estimator_cf samp_rate samp_rate/decimation v_scale 0 v_offset 0 t_scale 0 ac_couple False xy_mode False num_inputs 1 win_size grid_pos notebook nb0,2 trig_mode wxgui.TRIG_MODE_AUTO y_axis_label Counts alias affinity _coordinate (856, 795) _rotation 0 notebook id nb0 _enabled True style wx.NB_TOP labels ['AM source', 'demod', 'demod scope'] grid_pos notebook alias _coordinate (904, 11) _rotation 0 variable_slider id fcarr _enabled True label Carrier frequency value 40e3 min 0 max samp_rate/2 num_steps 100 style wx.SL_HORIZONTAL converver float_converter grid_pos notebook alias _coordinate (512, 11) _rotation 0 variable_slider id gain _enabled True label Gain value 1.0 min 0 max 1.0 num_steps 100 style wx.SL_HORIZONTAL converver float_converter grid_pos notebook alias _coordinate (664, 11) _rotation 0 ha5kfu_execproc_xx id ha5kfu_execproc_xx_0_0 _enabled True type cf commandline csdr amdemod_estimator_cf alias affinity minoutbuf 0 maxoutbuf 0 _coordinate (336, 747) _rotation 0 analog_sig_source_x_0 blocks_add_const_vxx_0 0 0 analog_sig_source_x_0_0 blocks_multiply_xx_0 0 1 blocks_add_const_vxx_0 blocks_multiply_xx_0 0 0 blocks_throttle_0 freq_xlating_fir_filter_xxx_0 0 0 freq_xlating_fir_filter_xxx_0 wxgui_fftsink2_0_0 0 0 blocks_throttle_0 wxgui_fftsink2_0 0 0 freq_xlating_fir_filter_xxx_0 ha5kfu_execproc_xx_0 0 0 ha5kfu_execproc_xx_0 wxgui_fftsink2_0_0_0 0 0 ha5kfu_execproc_xx_0_0 wxgui_fftsink2_0_0_0_0 0 0 freq_xlating_fir_filter_xxx_0 ha5kfu_execproc_xx_0_0 0 0 ha5kfu_execproc_xx_0 wxgui_scopesink2_0 0 0 ha5kfu_execproc_xx_0_0 wxgui_scopesink2_0_0 0 0 blocks_multiply_xx_0 blocks_multiply_const_vxx_0 0 0 blocks_multiply_const_vxx_0 blocks_throttle_0 0 0