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4real_modulation.grc
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1334 lines (1325 loc) · 26.6 KB
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options:
parameters:
author: jason
category: '[GRC Hier Blocks]'
cmake_opt: ''
comment: ''
copyright: ''
description: ''
gen_cmake: 'On'
gen_linking: dynamic
generate_options: qt_gui
hier_block_src_path: '.:'
id: basicSDR
max_nouts: '0'
output_language: python
placement: (0,0)
qt_qss_theme: ''
realtime_scheduling: ''
run: 'True'
run_command: '{python} -u {filename}'
run_options: prompt
sizing_mode: fixed
thread_safe_setters: ''
title: Real Modulation
window_size: ''
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 8]
rotation: 0
state: enabled
blocks:
- name: cutoff_freq_kHz
id: variable_qtgui_range
parameters:
comment: ''
gui_hint: 0,0,1,2
label: LPF Cutoff Frequency (kHz)
min_len: '200'
orient: Qt.Horizontal
rangeType: float
start: '0'
step: '1'
stop: '500'
value: '50'
widget: counter_slider
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [76, 345]
rotation: 0
state: enabled
- name: delay
id: variable_qtgui_range
parameters:
comment: ''
gui_hint: 20,0,1,2
label: Delay (samples)
min_len: '200'
orient: Qt.Horizontal
rangeType: int
start: '0'
step: '1'
stop: '1000'
value: '120'
widget: counter_slider
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [1609, 177]
rotation: 0
state: enabled
- name: demodulation_freq_kHz
id: variable_qtgui_range
parameters:
comment: ''
gui_hint: 18,0,1,2
label: Deodulation Frequency (kHz)
min_len: '200'
orient: Qt.Horizontal
rangeType: float
start: '0'
step: '1'
stop: '500'
value: '100'
widget: counter_slider
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [132, 916]
rotation: 0
state: disabled
- name: modulation_freq_kHz
id: variable_qtgui_range
parameters:
comment: ''
gui_hint: 2,0,1,2
label: Modulation Frequency (kHz)
min_len: '200'
orient: Qt.Horizontal
rangeType: float
start: '0'
step: '1'
stop: '500'
value: '100'
widget: counter_slider
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [24, 571]
rotation: 0
state: enabled
- name: phase
id: variable_qtgui_range
parameters:
comment: ''
gui_hint: 19,0,1,2
label: Phase Shift (samples)
min_len: '200'
orient: Qt.Horizontal
rangeType: int
start: '0'
step: '1'
stop: '20'
value: '0'
widget: counter_slider
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [772, 696]
rotation: 0
state: enabled
- name: samp_rate
id: variable
parameters:
comment: ''
value: 1e6
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [184, 12]
rotation: 0
state: enabled
- name: transition_width_kHz
id: variable_qtgui_range
parameters:
comment: ''
gui_hint: 1,0,1,2
label: LPF Transition Width (kHz)
min_len: '200'
orient: Qt.Horizontal
rangeType: float
start: '0'
step: '1'
stop: '500'
value: '10'
widget: counter_slider
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [247, 346]
rotation: 0
state: enabled
- name: analog_noise_source_x_0
id: analog_noise_source_x
parameters:
affinity: ''
alias: ''
amp: '1'
comment: white Gaussian noise
maxoutbuf: '0'
minoutbuf: '0'
noise_type: analog.GR_GAUSSIAN
seed: '0'
type: float
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [22, 145]
rotation: 0
state: true
- name: analog_sig_source_x_0_0
id: analog_sig_source_x
parameters:
affinity: ''
alias: ''
amp: '1'
comment: "cos(\u03C9t)"
freq: modulation_freq_kHz*1000
maxoutbuf: '0'
minoutbuf: '0'
offset: '0'
phase: '0'
samp_rate: samp_rate
type: float
waveform: analog.GR_COS_WAVE
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [217, 564]
rotation: 0
state: enabled
- name: analog_sig_source_x_0_0_0
id: analog_sig_source_x
parameters:
affinity: ''
alias: ''
amp: '2'
comment: "cos(\u03C9't)"
freq: demodulation_freq_kHz*1000
maxoutbuf: '0'
minoutbuf: '0'
offset: '0'
phase: '0'
samp_rate: samp_rate
type: float
waveform: analog.GR_COS_WAVE
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [329, 918]
rotation: 0
state: disabled
- name: blocks_delay_0
id: blocks_delay
parameters:
affinity: ''
alias: ''
comment: ''
delay: delay
maxoutbuf: '0'
minoutbuf: '0'
num_ports: '1'
type: float
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [1642, 306]
rotation: 0
state: enabled
- name: blocks_delay_1
id: blocks_delay
parameters:
affinity: ''
alias: ''
comment: "simulate a phase shift \non the receiver\ntry 50kHz modulation \nwith\
\ a narrower LPF cutoff"
delay: phase
maxoutbuf: '0'
minoutbuf: '0'
num_ports: '1'
type: float
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [796, 820]
rotation: 0
state: enabled
- name: blocks_multiply_const_vxx_0
id: blocks_multiply_const_vxx
parameters:
affinity: ''
alias: ''
comment: 'x2 to match
input''s amplitude'
const: '2'
maxoutbuf: '0'
minoutbuf: '0'
type: float
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [593, 820]
rotation: 0
state: enabled
- name: blocks_multiply_xx_0_2
id: blocks_multiply_xx
parameters:
affinity: ''
alias: ''
comment: "x(t) 2 cos^2(\u03C9t) =\nx(t) [1 + cos(2\u03C9t)]"
maxoutbuf: '0'
minoutbuf: '0'
num_inputs: '2'
type: float
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [1193, 799]
rotation: 0
state: enabled
- name: blocks_multiply_xx_0_2_0
id: blocks_multiply_xx
parameters:
affinity: ''
alias: ''
comment: "x(t) * cos(\u03C9t)"
maxoutbuf: '0'
minoutbuf: '0'
num_inputs: '2'
type: float
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [743, 573]
rotation: 0
state: enabled
- name: blocks_throttle_0
id: blocks_throttle
parameters:
affinity: ''
alias: ''
comment: ''
ignoretag: 'True'
maxoutbuf: '0'
minoutbuf: '0'
samples_per_second: samp_rate
type: float
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [199, 115]
rotation: 0
state: true
- name: import_0
id: import
parameters:
alias: ''
comment: ''
imports: import math
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [832, 5]
rotation: 0
state: true
- name: low_pass_filter_0
id: low_pass_filter
parameters:
affinity: ''
alias: ''
beta: '6.76'
comment: 'band-limited
noise input
x(t)'
cutoff_freq: cutoff_freq_kHz*1000
decim: '1'
gain: '1'
interp: '1'
maxoutbuf: '0'
minoutbuf: '0'
samp_rate: samp_rate
type: fir_filter_fff
width: transition_width_kHz*1000
win: firdes.WIN_HAMMING
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [417, 259]
rotation: 0
state: enabled
- name: low_pass_filter_0_0_1
id: low_pass_filter
parameters:
affinity: ''
alias: ''
beta: '6.76'
comment: "Filter out cos(2\u03C9t) term\nto get back just x(t)"
cutoff_freq: cutoff_freq_kHz*1000
decim: '1'
gain: '1'
interp: '1'
maxoutbuf: '0'
minoutbuf: '0'
samp_rate: samp_rate
type: fir_filter_fff
width: transition_width_kHz*1000
win: firdes.WIN_HAMMING
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [1624, 813]
rotation: 0
state: enabled
- name: qtgui_freq_sink_x_0
id: qtgui_freq_sink_x
parameters:
affinity: ''
alias: ''
alpha1: '1.0'
alpha10: '1.0'
alpha2: '1.0'
alpha3: '1.0'
alpha4: '1.0'
alpha5: '1.0'
alpha6: '1.0'
alpha7: '1.0'
alpha8: '1.0'
alpha9: '1.0'
autoscale: 'False'
average: '1.0'
axislabels: 'True'
bw: samp_rate
color1: '"blue"'
color10: '"dark blue"'
color2: '"green"'
color3: '"green"'
color4: '"black"'
color5: '"cyan"'
color6: '"magenta"'
color7: '"yellow"'
color8: '"dark red"'
color9: '"dark green"'
comment: 'input signal
x(t)'
ctrlpanel: 'False'
fc: '0'
fftsize: '1024'
freqhalf: 'True'
grid: 'False'
gui_hint: 6,1,3,1
label: Relative Gain
label1: Filtered (note symmetric)
label10: ''''''
label2: Modulation Cosine
label3: ''''''
label4: ''''''
label5: ''''''
label6: ''''''
label7: ''''''
label8: ''''''
label9: ''''''
legend: 'True'
maxoutbuf: '0'
minoutbuf: '0'
name: ''
nconnections: '2'
showports: 'False'
tr_chan: '0'
tr_level: '0.0'
tr_mode: qtgui.TRIG_MODE_FREE
tr_tag: '""'
type: float
units: dB
update_time: '0.10'
width1: '1'
width10: '1'
width2: '1'
width3: '1'
width4: '1'
width5: '1'
width6: '1'
width7: '1'
width8: '1'
width9: '1'
wintype: firdes.WIN_BLACKMAN_hARRIS
ymax: '1'
ymin: '-80'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [693, 334]
rotation: 0
state: enabled
- name: qtgui_freq_sink_x_0_0
id: qtgui_freq_sink_x
parameters:
affinity: ''
alias: ''
alpha1: '1.0'
alpha10: '1.0'
alpha2: '1.0'
alpha3: '1.0'
alpha4: '1.0'
alpha5: '1.0'
alpha6: '1.0'
alpha7: '1.0'
alpha8: '1.0'
alpha9: '1.0'
autoscale: 'False'
average: '1.0'
axislabels: 'True'
bw: samp_rate
color1: '"blue"'
color10: '"dark blue"'
color2: '"red"'
color3: '"green"'
color4: '"black"'
color5: '"cyan"'
color6: '"magenta"'
color7: '"yellow"'
color8: '"dark red"'
color9: '"dark green"'
comment: "modulated signal\nx(t) * cos(\u03C9t)"
ctrlpanel: 'False'
fc: '0'
fftsize: '1024'
freqhalf: 'True'
grid: 'False'
gui_hint: 9,1,3,1
label: Relative Gain
label1: Real, Modulated RF
label10: ''''''
label2: ''''''
label3: ''''''
label4: ''''''
label5: ''''''
label6: ''''''
label7: ''''''
label8: ''''''
label9: ''''''
legend: 'True'
maxoutbuf: '0'
minoutbuf: '0'
name: '""'
nconnections: '1'
showports: 'False'
tr_chan: '0'
tr_level: '0.0'
tr_mode: qtgui.TRIG_MODE_FREE
tr_tag: '""'
type: float
units: dB
update_time: '0.10'
width1: '1'
width10: '1'
width2: '1'
width3: '1'
width4: '1'
width5: '1'
width6: '1'
width7: '1'
width8: '1'
width9: '1'
wintype: firdes.WIN_BLACKMAN_hARRIS
ymax: '1'
ymin: '-80'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [1144, 494]
rotation: 0
state: enabled
- name: qtgui_freq_sink_x_0_0_0
id: qtgui_freq_sink_x
parameters:
affinity: ''
alias: ''
alpha1: '1.0'
alpha10: '1.0'
alpha2: '0.5'
alpha3: '1.0'
alpha4: '1.0'
alpha5: '1.0'
alpha6: '1.0'
alpha7: '1.0'
alpha8: '1.0'
alpha9: '1.0'
autoscale: 'False'
average: '1.0'
axislabels: 'True'
bw: samp_rate
color1: '"blue"'
color10: '"dark blue"'
color2: '"red"'
color3: '"green"'
color4: '"black"'
color5: '"cyan"'
color6: '"magenta"'
color7: '"yellow"'
color8: '"dark red"'
color9: '"dark green"'
comment: "demodulated signal\nbefore filtering\nx(t) 2 cos^2(\u03C9t)"
ctrlpanel: 'False'
fc: '0'
fftsize: '1024'
freqhalf: 'True'
grid: 'False'
gui_hint: 12,1,3,1
label: Relative Gain
label1: Demod Re
label10: ''''''
label2: Demod Im
label3: ''''''
label4: ''''''
label5: ''''''
label6: ''''''
label7: ''''''
label8: ''''''
label9: ''''''
legend: 'True'
maxoutbuf: '0'
minoutbuf: '0'
name: '""'
nconnections: '1'
showports: 'False'
tr_chan: '0'
tr_level: '0.0'
tr_mode: qtgui.TRIG_MODE_FREE
tr_tag: '""'
type: float
units: dB
update_time: '0.10'
width1: '1'
width10: '1'
width2: '1'
width3: '1'
width4: '1'
width5: '1'
width6: '1'
width7: '1'
width8: '1'
width9: '1'
wintype: firdes.WIN_BLACKMAN_hARRIS
ymax: '1'
ymin: '-80'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [1436, 604]
rotation: 0
state: enabled
- name: qtgui_freq_sink_x_0_0_0_0
id: qtgui_freq_sink_x
parameters:
affinity: ''
alias: ''
alpha1: '1.0'
alpha10: '1.0'
alpha2: '1.0'
alpha3: '1.0'
alpha4: '1.0'
alpha5: '1.0'
alpha6: '1.0'
alpha7: '1.0'
alpha8: '1.0'
alpha9: '1.0'
autoscale: 'False'
average: '1.0'
axislabels: 'True'
bw: samp_rate
color1: '"red"'
color10: '"dark blue"'
color2: '"red"'
color3: '"green"'
color4: '"black"'
color5: '"cyan"'
color6: '"magenta"'
color7: '"yellow"'
color8: '"dark red"'
color9: '"dark green"'
comment: 'demodulated signal
after filtering
x(t) again'
ctrlpanel: 'False'
fc: '0'
fftsize: '1024'
freqhalf: 'True'
grid: 'False'
gui_hint: 15,1,3,1
label: Relative Gain
label1: Demod LPFed
label10: ''''''
label2: ''''''
label3: ''''''
label4: ''''''
label5: ''''''
label6: ''''''
label7: ''''''
label8: ''''''
label9: ''''''
legend: 'True'
maxoutbuf: '0'
minoutbuf: '0'
name: '""'
nconnections: '1'
showports: 'False'
tr_chan: '0'
tr_level: '0.0'
tr_mode: qtgui.TRIG_MODE_FREE
tr_tag: '""'
type: float
units: dB
update_time: '0.10'
width1: '1'
width10: '1'
width2: '1'
width3: '1'
width4: '1'
width5: '1'
width6: '1'
width7: '1'
width8: '1'
width9: '1'
wintype: firdes.WIN_BLACKMAN_hARRIS
ymax: '1'
ymin: '-80'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [1854, 887]
rotation: 0
state: enabled
- name: qtgui_freq_sink_x_0_1
id: qtgui_freq_sink_x
parameters:
affinity: ''
alias: ''
alpha1: '1.0'
alpha10: '1.0'
alpha2: '1.0'
alpha3: '1.0'
alpha4: '1.0'
alpha5: '1.0'
alpha6: '1.0'
alpha7: '1.0'
alpha8: '1.0'
alpha9: '1.0'
autoscale: 'False'
average: '1.0'
axislabels: 'True'
bw: samp_rate
color1: '"blue"'
color10: '"dark blue"'
color2: '"red"'
color3: '"green"'
color4: '"black"'
color5: '"cyan"'
color6: '"magenta"'
color7: '"yellow"'
color8: '"dark red"'
color9: '"dark green"'
comment: ''
ctrlpanel: 'False'
fc: '0'
fftsize: '1024'
freqhalf: 'True'
grid: 'False'
gui_hint: 3,1,3,1
label: Relative Gain
label1: Real White Noise
label10: ''''''
label2: Signal 2
label3: ''''''
label4: ''''''
label5: ''''''
label6: ''''''
label7: ''''''
label8: ''''''
label9: ''''''
legend: 'True'
maxoutbuf: '0'
minoutbuf: '0'
name: ''
nconnections: '1'
showports: 'False'
tr_chan: '0'
tr_level: '0.0'
tr_mode: qtgui.TRIG_MODE_FREE
tr_tag: '""'
type: float
units: dB
update_time: '0.10'
width1: '1'
width10: '1'
width2: '1'
width3: '1'
width4: '1'
width5: '1'
width6: '1'
width7: '1'
width8: '1'
width9: '1'
wintype: firdes.WIN_BLACKMAN_hARRIS
ymax: '1'
ymin: '-80'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [418, 113]
rotation: 0
state: enabled
- name: qtgui_time_sink_x_0
id: qtgui_time_sink_x
parameters:
affinity: ''
alias: ''
alpha1: '1.0'
alpha10: '1.0'
alpha2: '1.0'
alpha3: '1.0'
alpha4: '1.0'
alpha5: '1.0'
alpha6: '1.0'
alpha7: '1.0'
alpha8: '1.0'
alpha9: '1.0'
autoscale: 'False'
axislabels: 'True'
color1: blue
color10: dark blue
color2: green
color3: green
color4: black
color5: cyan
color6: magenta
color7: yellow
color8: dark red
color9: dark green
comment: ''
ctrlpanel: 'False'
entags: 'False'
grid: 'False'
gui_hint: 6,0,3,1
label1: Filtered Noise x(t)
label10: Signal 10
label2: Modulation Cosine
label3: Modulation Cosine
label4: Modulation Sine
label5: Signal 5
label6: Signal 6
label7: Signal 7
label8: Signal 8
label9: Signal 9
legend: 'True'
marker1: '0'
marker10: '-1'
marker2: '0'
marker3: '-1'
marker4: '-1'
marker5: '-1'
marker6: '-1'
marker7: '-1'
marker8: '-1'
marker9: '-1'
name: ''
nconnections: '2'
size: '200'
srate: samp_rate
stemplot: 'False'
style1: '1'
style10: '1'
style2: '1'
style3: '1'
style4: '1'
style5: '1'
style6: '1'
style7: '1'
style8: '1'
style9: '1'
tr_chan: '0'
tr_delay: '0'
tr_level: '0.0'
tr_mode: qtgui.TRIG_MODE_AUTO
tr_slope: qtgui.TRIG_SLOPE_POS
tr_tag: '""'
type: float
update_time: '0.10'
width1: '1'
width10: '1'
width2: '1'
width3: '1'
width4: '1'
width5: '1'
width6: '1'
width7: '1'
width8: '1'
width9: '1'
ylabel: Amplitude
ymax: '1.1'
ymin: '-1.1'
yunit: '""'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [700, 244]
rotation: 0
state: enabled
- name: qtgui_time_sink_x_0_0
id: qtgui_time_sink_x
parameters:
affinity: ''
alias: ''
alpha1: '1.0'
alpha10: '1.0'
alpha2: '1.0'
alpha3: '1.0'
alpha4: '1.0'
alpha5: '1.0'
alpha6: '1.0'
alpha7: '1.0'
alpha8: '1.0'
alpha9: '1.0'
autoscale: 'False'
axislabels: 'True'
color1: blue
color10: dark blue
color2: red
color3: green
color4: black
color5: cyan
color6: magenta
color7: yellow
color8: dark red
color9: dark green
comment: ''
ctrlpanel: 'False'
entags: 'True'
grid: 'False'
gui_hint: 9,0,3,1
label1: Real, Modulated RF
label10: Signal 10
label2: ' Multiply (Modulated) Im'
label3: Signal 3
label4: Signal 4
label5: Signal 5
label6: Signal 6
label7: Signal 7
label8: Signal 8
label9: Signal 9
legend: 'True'
marker1: '-1'
marker10: '-1'
marker2: '-1'
marker3: '-1'
marker4: '-1'
marker5: '-1'
marker6: '-1'
marker7: '-1'
marker8: '-1'
marker9: '-1'
name: '""'
nconnections: '1'
size: '200'
srate: samp_rate
stemplot: 'False'
style1: '1'
style10: '1'
style2: '1'
style3: '1'
style4: '1'
style5: '1'
style6: '1'
style7: '1'
style8: '1'
style9: '1'
tr_chan: '0'
tr_delay: '0'
tr_level: '0.0'
tr_mode: qtgui.TRIG_MODE_AUTO
tr_slope: qtgui.TRIG_SLOPE_POS
tr_tag: '""'
type: float
update_time: '0.10'
width1: '1'
width10: '1'
width2: '1'
width3: '1'
width4: '1'
width5: '1'
width6: '1'