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resampler_demo.grc
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options:
parameters:
author: ''
category: Custom
cmake_opt: ''
comment: ''
copyright: ''
description: ''
gen_cmake: 'On'
gen_linking: dynamic
generate_options: qt_gui
hier_block_src_path: '.:'
id: resampler_demo
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: ''
window_size: 1280, 1024
states:
coordinate: [8, 12.0]
rotation: 0
state: enabled
blocks:
- name: frac_bw
id: variable_qtgui_label
parameters:
comment: ''
formatter: 'lambda x: "%0.2f"%x'
gui_hint: 0,2,1,1
label: Fractional Bandwidth
type: real
value: '.45'
states:
coordinate: [440, 12.0]
rotation: 0
state: enabled
- name: new_rate
id: variable_qtgui_label
parameters:
comment: ''
formatter: None
gui_hint: 0,1,1,1
label: Resampling Rate
type: real
value: '48000'
states:
coordinate: [304, 12.0]
rotation: 0
state: enabled
- name: nphases
id: variable
parameters:
comment: ''
value: '32'
states:
coordinate: [664, 12.0]
rotation: 0
state: enabled
- name: rs_taps
id: variable
parameters:
comment: ''
value: firdes.low_pass(nphases, nphases, frac_bw, 0.5-frac_bw)
states:
coordinate: [752, 12.0]
rotation: 0
state: enabled
- name: samp_rate
id: variable_qtgui_label
parameters:
comment: ''
formatter: None
gui_hint: 0,0,1,1
label: Sampling Rate
type: real
value: '44100'
states:
coordinate: [176, 12.0]
rotation: 0
state: enabled
- name: adder
id: blocks_add_const_vxx
parameters:
affinity: ''
alias: ''
comment: ''
const: '-1.0'
maxoutbuf: '0'
minoutbuf: '0'
type: float
vlen: '1'
states:
coordinate: [200, 180.0]
rotation: 0
state: enabled
- name: analog_frequency_modulator_fc_0
id: analog_frequency_modulator_fc
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
sensitivity: math.pi
states:
coordinate: [504, 180.0]
rotation: 0
state: enabled
- name: analog_sig_source_x_0
id: analog_sig_source_x
parameters:
affinity: ''
alias: ''
amp: '2'
comment: ''
freq: '0.05'
maxoutbuf: '0'
minoutbuf: '0'
offset: '0'
samp_rate: samp_rate
type: float
waveform: analog.GR_TRI_WAVE
states:
coordinate: [32, 148.0]
rotation: 0
state: enabled
- name: import_0
id: import
parameters:
alias: ''
comment: ''
imports: import math
states:
coordinate: [8, 92.0]
rotation: 0
state: enabled
- name: pfb_arb_resampler_xxx_0
id: pfb_arb_resampler_xxx
parameters:
affinity: ''
alias: ''
atten: '100'
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
nfilts: nphases
rrate: float(new_rate)/samp_rate
samp_delay: '0'
taps: rs_taps
type: ccf
states:
coordinate: [712, 268.0]
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: '"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: 1,0,1,3
label: Relative Gain
label1: Original Spectrum
label10: ''
label2: Resampled Spectrum
label3: ''
label4: ''
label5: ''
label6: ''
label7: ''
label8: ''
label9: ''
legend: 'False'
maxoutbuf: '0'
minoutbuf: '0'
name: Original Spectrum
nconnections: '1'
showports: 'True'
tr_chan: '0'
tr_level: '0.0'
tr_mode: qtgui.TRIG_MODE_FREE
tr_tag: '""'
type: complex
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: window.WIN_BLACKMAN_hARRIS
ymax: '10'
ymin: '-140'
states:
coordinate: [960, 156.0]
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: new_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: 2,0,1,3
label: Relative Gain
label1: Resampled Spectrum
label10: ''
label2: Resampled Spectrum
label3: ''
label4: ''
label5: ''
label6: ''
label7: ''
label8: ''
label9: ''
legend: 'False'
maxoutbuf: '0'
minoutbuf: '0'
name: Resampled Spectrum
nconnections: '1'
showports: 'True'
tr_chan: '0'
tr_level: '0.0'
tr_mode: qtgui.TRIG_MODE_FREE
tr_tag: '""'
type: complex
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: window.WIN_BLACKMAN_hARRIS
ymax: '10'
ymin: '-140'
states:
coordinate: [960, 268.0]
rotation: 0
state: enabled
- name: throttle
id: blocks_throttle
parameters:
affinity: ''
alias: ''
comment: ''
ignoretag: 'True'
maxoutbuf: '0'
minoutbuf: '0'
samples_per_second: samp_rate
type: float
vlen: '1'
states:
coordinate: [328, 180.0]
rotation: 0
state: enabled
connections:
- [adder, '0', throttle, '0']
- [analog_frequency_modulator_fc_0, '0', pfb_arb_resampler_xxx_0, '0']
- [analog_frequency_modulator_fc_0, '0', qtgui_freq_sink_x_0, '0']
- [analog_sig_source_x_0, '0', adder, '0']
- [pfb_arb_resampler_xxx_0, '0', qtgui_freq_sink_x_0_0, '0']
- [throttle, '0', analog_frequency_modulator_fc_0, '0']
metadata:
file_format: 1