options:
  parameters:
    author: Naoki Pross
    category: '[GRC Hier Blocks]'
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: ''
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: Simluation
    max_nouts: '0'
    output_language: python
    placement: (0,0)
    qt_qss_theme: ''
    realtime_scheduling: '1'
    run: 'True'
    run_command: '{python} -u {filename}'
    run_options: prompt
    sizing_mode: fixed
    thread_safe_setters: ''
    title: Simulation of a fading channel
    window_size: ''
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 12.0]
    rotation: 0
    state: enabled

blocks:
- name: carrier_freq
  id: variable
  parameters:
    comment: ''
    value: 5e3
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [416, 60.0]
    rotation: 0
    state: true
- name: modulation_factor
  id: variable
  parameters:
    comment: ''
    value: '.7'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [520, 60.0]
    rotation: 0
    state: true
- name: samp_rate
  id: variable
  parameters:
    comment: ''
    value: 128e3
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [192, 12.0]
    rotation: 0
    state: enabled
- name: analog_am_demod_cf_0
  id: analog_am_demod_cf
  parameters:
    affinity: ''
    alias: ''
    audio_decim: '1'
    audio_pass: '5000'
    audio_stop: '5500'
    chan_rate: samp_rate
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [968, 380.0]
    rotation: 0
    state: true
- name: analog_const_source_x_0
  id: analog_const_source_x
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    const: '1'
    maxoutbuf: '0'
    minoutbuf: '0'
    type: complex
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [104, 460.0]
    rotation: 0
    state: true
- name: analog_const_source_x_1
  id: analog_const_source_x
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    const: modulation_factor
    maxoutbuf: '0'
    minoutbuf: '0'
    type: complex
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [104, 268.0]
    rotation: 0
    state: true
- name: analog_sig_source_x_0
  id: analog_sig_source_x
  parameters:
    affinity: ''
    alias: ''
    amp: '1'
    comment: ''
    freq: carrier_freq
    maxoutbuf: '0'
    minoutbuf: '0'
    offset: '0'
    phase: '0'
    samp_rate: samp_rate
    type: complex
    waveform: analog.GR_COS_WAVE
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [72, 548.0]
    rotation: 0
    state: true
- name: analog_sig_source_x_1
  id: analog_sig_source_x
  parameters:
    affinity: ''
    alias: ''
    amp: '1'
    comment: ''
    freq: '50'
    maxoutbuf: '0'
    minoutbuf: '0'
    offset: '0'
    phase: '0'
    samp_rate: samp_rate
    type: complex
    waveform: analog.GR_SQR_WAVE
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [72, 324.0]
    rotation: 0
    state: true
- name: blocks_add_xx_0
  id: blocks_add_xx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_inputs: '2'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [488, 432.0]
    rotation: 0
    state: true
- name: blocks_complex_to_real_0
  id: blocks_complex_to_real
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [624, 216.0]
    rotation: 0
    state: true
- name: blocks_multiply_xx_0
  id: blocks_multiply_xx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_inputs: '2'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [632, 560.0]
    rotation: 0
    state: true
- name: blocks_multiply_xx_1
  id: blocks_multiply_xx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_inputs: '2'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [328, 336.0]
    rotation: 0
    state: true
- name: blocks_throttle_0
  id: blocks_throttle
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    ignoretag: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    samples_per_second: samp_rate * 2
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [760, 572.0]
    rotation: 0
    state: true
- name: fosphor_glfw_sink_c_0
  id: fosphor_glfw_sink_c
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    freq_center: '0'
    freq_span: samp_rate
    wintype: firdes.WIN_BLACKMAN_hARRIS
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1000, 564.0]
    rotation: 0
    state: true
- name: note_0
  id: note
  parameters:
    alias: ''
    comment: ''
    note: AM modulator parameters
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [432, 12.0]
    rotation: 0
    state: true
- 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: 'True'
    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: 'True'
    gui_hint: ''
    label1: Original
    label10: Signal 10
    label2: Demodulated
    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: '"Demodulated AM signal"'
    nconnections: '2'
    size: '1024'
    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: 1e-3
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_NORM
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: float
    update_time: 1e-1
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    ylabel: Amplitude
    ymax: '1'
    ymin: '-1'
    yunit: '""'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1192, 204.0]
    rotation: 0
    state: true

connections:
- [analog_am_demod_cf_0, '0', qtgui_time_sink_x_0, '1']
- [analog_const_source_x_0, '0', blocks_add_xx_0, '1']
- [analog_const_source_x_1, '0', blocks_multiply_xx_1, '0']
- [analog_sig_source_x_0, '0', blocks_multiply_xx_0, '1']
- [analog_sig_source_x_1, '0', blocks_multiply_xx_1, '1']
- [blocks_add_xx_0, '0', blocks_complex_to_real_0, '0']
- [blocks_add_xx_0, '0', blocks_multiply_xx_0, '0']
- [blocks_complex_to_real_0, '0', qtgui_time_sink_x_0, '0']
- [blocks_multiply_xx_0, '0', blocks_throttle_0, '0']
- [blocks_multiply_xx_1, '0', blocks_add_xx_0, '0']
- [blocks_throttle_0, '0', analog_am_demod_cf_0, '0']
- [blocks_throttle_0, '0', fosphor_glfw_sink_c_0, '0']

metadata:
  file_format: 1