Tue Sep 18 11:09:06 2018
options
author
window_size
category
[GRC Hier Blocks]
comment
description
_enabled
True
_coordinate
(24, 12)
_rotation
0
generate_options
qt_gui
hier_block_src_path
.:
id
dsp_basics_tutorial
max_nouts
0
qt_qss_theme
realtime_scheduling
run_command
{python} -u {filename}
run_options
prompt
run
True
sizing_mode
fixed
thread_safe_setters
title
placement
(0,0)
variable
comment
_enabled
True
_coordinate
(200, 12)
_rotation
0
id
samp_rate
value
32000
blocks_throttle
alias
comment
affinity
_enabled
True
_coordinate
(184, 140)
_rotation
0
id
blocks_throttle_0
ignoretag
True
maxoutbuf
0
minoutbuf
0
samples_per_second
samp_rate
type
complex
vlen
1
epy_block
alias
_io_cache
('On Off Keying Tx', 'blk', [], [], [('0', 'complex', 1)], '', [])
_source_code
"""
Embedded Python Blocks:
Each time this file is saved, GRC will instantiate the first class it finds
to get ports and parameters of your block. The arguments to __init__ will
be the parameters. All of them are required to have default values!
"""
import numpy as np
from gnuradio import gr
class blk(gr.sync_block): # other base classes are basic_block, decim_block, interp_block
def __init__(self): # only default arguments here
gr.sync_block.__init__(
self,
name='On Off Keying Tx', # will show up in GRC
in_sig= None,
out_sig=[np.complex64]
)
self.samples_per_pulse = 15
def work(self, input_items, output_items):
if len(output_items[0]) >= self.samples_per_pulse:
output_items[0][0:self.samples_per_pulse] = [np.random.randint(2)]*self.samples_per_pulse
return self.samples_per_pulse
else:
return 0
comment
_enabled
True
_coordinate
(24, 144)
_rotation
0
id
epy_block_0
qtgui_freq_sink_x
autoscale
False
average
0.2
axislabels
True
bw
samp_rate
alias
fc
0
comment
ctrlpanel
False
affinity
_enabled
1
fftsize
1024
_coordinate
(400, 196)
gui_hint
_rotation
0
grid
False
id
qtgui_freq_sink_x_0
legend
True
alpha1
1.0
color1
"blue"
label1
width1
1
alpha10
1.0
color10
"dark blue"
label10
width10
1
alpha2
1.0
color2
"red"
label2
width2
1
alpha3
1.0
color3
"green"
label3
width3
1
alpha4
1.0
color4
"black"
label4
width4
1
alpha5
1.0
color5
"cyan"
label5
width5
1
alpha6
1.0
color6
"magenta"
label6
width6
1
alpha7
1.0
color7
"yellow"
label7
width7
1
alpha8
1.0
color8
"dark red"
label8
width8
1
alpha9
1.0
color9
"dark green"
label9
width9
1
maxoutbuf
0
minoutbuf
0
name
""
nconnections
1
showports
True
freqhalf
True
tr_chan
0
tr_level
0.0
tr_mode
qtgui.TRIG_MODE_FREE
tr_tag
""
type
complex
update_time
0.10
wintype
firdes.WIN_BLACKMAN_hARRIS
label
Relative Gain
ymax
10
ymin
-140
units
dB
qtgui_time_sink_x
autoscale
False
axislabels
True
alias
comment
ctrlpanel
False
affinity
entags
True
_enabled
True
_coordinate
(400, 60)
gui_hint
_rotation
0
grid
False
id
qtgui_time_sink_x_0
legend
True
alpha1
1.0
color1
"blue"
label1
marker1
-1
style1
1
width1
1
alpha10
1.0
color10
"blue"
label10
marker10
-1
style10
1
width10
1
alpha2
1.0
color2
"red"
label2
marker2
-1
style2
1
width2
1
alpha3
1.0
color3
"green"
label3
marker3
-1
style3
1
width3
1
alpha4
1.0
color4
"black"
label4
marker4
-1
style4
1
width4
1
alpha5
1.0
color5
"cyan"
label5
marker5
-1
style5
1
width5
1
alpha6
1.0
color6
"magenta"
label6
marker6
-1
style6
1
width6
1
alpha7
1.0
color7
"yellow"
label7
marker7
-1
style7
1
width7
1
alpha8
1.0
color8
"dark red"
label8
marker8
-1
style8
1
width8
1
alpha9
1.0
color9
"dark green"
label9
marker9
-1
style9
1
width9
1
name
""
nconnections
1
size
200
srate
samp_rate
stemplot
False
tr_chan
0
tr_delay
0
tr_level
0.0
tr_mode
qtgui.TRIG_MODE_FREE
tr_slope
qtgui.TRIG_SLOPE_POS
tr_tag
""
type
complex
update_time
0.10
ylabel
Amplitude
yunit
""
ymax
1
ymin
-1
blocks_throttle_0
qtgui_freq_sink_x_0
0
0
blocks_throttle_0
qtgui_time_sink_x_0
0
0
epy_block_0
blocks_throttle_0
0
0