def test_001_t(self):
self.degree = 5
self.length = 2**self.degree - 1
expected_result = (self.length - 1) * [-1.0 / self.length] + [1]
# send a maximum length sequence with period 31
src_real = digital.glfsr_source_f(self.degree, True, 0, 1)
src_imag = gr.null_source(gr.sizeof_float * 1)
f2c = gr.float_to_complex(1)
mls_correlator = channelsounder_swig.mls_correlator(self.degree,
mask=0,
seed=1)
# keep only the samples of the first two autocorrelation periods
head = gr.head(gr.sizeof_gr_complex, 2 * self.length)
dest = gr.vector_sink_c(1)
self.tb.connect(src_real, (f2c, 0))
self.tb.connect(src_imag, (f2c, 1))
self.tb.connect(f2c, mls_correlator)
self.tb.connect(mls_correlator, head, dest)
# set up fg
self.tb.run()
# check data
result_data = dest.data()
# discard the first period, since it is tainted by the zeros inserted
# by set_history()
result_data = result_data[self.length:]
self.assertFloatTuplesAlmostEqual(expected_result, result_data, 6)
def test_001_t (self):
self.degree = 5
self.length = 2**self.degree - 1
expected_result = (self.length - 1)*[-1.0/self.length]+[1]
# send a maximum length sequence with period 31
src_real = digital.glfsr_source_f(self.degree, True, 0, 1)
src_imag = blocks.null_source(gr.sizeof_float*1)
f2c = blocks.float_to_complex(1)
mls_correlator = channelsounder_swig.mls_correlator(self.degree, mask = 0, seed = 1)
# keep only the samples of the first two autocorrelation periods
head = blocks.head(gr.sizeof_gr_complex, 2*self.length)
dest = blocks.vector_sink_c(1)
self.tb.connect( src_real, (f2c, 0))
self.tb.connect( src_imag, (f2c, 1))
self.tb.connect( f2c, mls_correlator )
self.tb.connect( mls_correlator, head, dest )
# set up fg
self.tb.run ()
# check data
result_data = dest.data()
# discard the first period, since it is tainted by the zeros inserted
# by set_history()
result_data = result_data[self.length:]
self.assertFloatTuplesAlmostEqual (expected_result, result_data, 6)
def __init__(self,
alpha=0.5,
center_freq=3560e6,
degree=8,
gain=31.5,
samp_rate=24e6):
gr.top_block.__init__(self, "Spread Spectrum Tx")
##################################################
# Parameters
##################################################
self.alpha = alpha
self.center_freq = center_freq
self.degree = degree
self.gain = gain
self.samp_rate = samp_rate
##################################################
# Blocks
##################################################
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
'',
)
self.uhd_usrp_sink_0.set_clock_source('external', 0)
self.uhd_usrp_sink_0.set_center_freq(center_freq, 0)
self.uhd_usrp_sink_0.set_gain(gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec())
self.root_raised_cosine_filter_0 = filter.interp_fir_filter_fff(
1, firdes.root_raised_cosine(1, samp_rate, samp_rate, 0.5, 64))
self.digital_glfsr_source_x_0 = digital.glfsr_source_f(
degree, True, 0, 1)
self.blocks_null_source_0 = blocks.null_source(gr.sizeof_float * 1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(10)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
##################################################
# Connections
##################################################
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_null_source_0, 0),
(self.blocks_float_to_complex_0, 1))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.root_raised_cosine_filter_0, 0))
self.connect((self.root_raised_cosine_filter_0, 0),
(self.blocks_float_to_complex_0, 0))
def test_001_correlate(self):
degree = 10
length = 2**degree-1
src = digital.glfsr_source_f(degree)
head = blocks.head(gr.sizeof_float, length*length)
f2c = blocks.float_to_complex()
corr = digital.pn_correlator_cc(degree)
dst = blocks.vector_sink_c()
self.tb.connect(src, head, f2c, corr, dst)
self.tb.run()
data = dst.data()
self.assertEqual(data[-1], (1.0+0j))
def test_005_correlation_f(self):
for degree in range(1,11): # Higher degrees take too long to correlate
src = digital.glfsr_source_f(degree, False)
dst = blocks.vector_sink_f()
del self.tb # Discard existing top block
self.tb = gr.top_block()
self.tb.connect(src, dst)
self.tb.run()
actual_result = dst.data()
R = auto_correlate(actual_result)
self.assertEqual(R[0], float(len(R))) # Auto-correlation peak at origin
for i in range(len(R)-1):
self.assertEqual(R[i+1], -1.0) # Auto-correlation minimum everywhere else
def test_004_degree_f(self):
self.assertRaises(RuntimeError,
lambda: digital.glfsr_source_f(0))
self.assertRaises(RuntimeError,
lambda: digital.glfsr_source_f(33))
def test_003_make_f(self):
src = digital.glfsr_source_f(16)
self.assertEqual(src.mask(), 0x8016)
self.assertEqual(src.period(), 2**16-1)
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
##################################################
# Variables
##################################################
self.spreading_offon = spreading_offon = 0
self.samp_rate = samp_rate = 5000
self.pn_len = pn_len = 32
self.interpolation = interpolation = 4
##################################################
# Blocks
##################################################
self._spreading_offon_chooser = forms.radio_buttons(
parent=self.GetWin(),
value=self.spreading_offon,
callback=self.set_spreading_offon,
label='Spreading Off/On',
choices=[0, 1],
labels=[],
style=wx.RA_HORIZONTAL,
)
self.Add(self._spreading_offon_chooser)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate * pn_len * interpolation,
fft_size=1024,
fft_rate=15,
average=True,
avg_alpha=None,
title='FFT Plot',
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.rational_resampler_base_xxx_0 = filter.rational_resampler_base_fff(
pn_len, 1, ([
1, 1, -1, -1, -1, -1, 1, -1, -1, 1, -1, -1, -1, -1, -1, -1, 1,
1, 1, -1, 1, -1, -1, 1, -1, 1, 1, -1, -1, 1, -1, 0
]))
self.digital_glfsr_source_x_0 = digital.glfsr_source_f(15, True, 0, 1)
self.blocks_throttle_0 = blocks.throttle(
gr.sizeof_gr_complex * 1, samp_rate * pn_len * interpolation, True)
self.blocks_repeat_1 = blocks.repeat(gr.sizeof_gr_complex * 1, 4)
self.blocks_repeat_0 = blocks.repeat(gr.sizeof_float * 1, 31)
self.blocks_float_to_complex_1 = blocks.float_to_complex(1)
self.blks2_selector_0 = grc_blks2.selector(
item_size=gr.sizeof_float * 1,
num_inputs=2,
num_outputs=1,
input_index=spreading_offon,
output_index=0,
)
##################################################
# Connections
##################################################
self.connect((self.blks2_selector_0, 0),
(self.blocks_float_to_complex_1, 0))
self.connect((self.blocks_float_to_complex_1, 0),
(self.blocks_repeat_1, 0))
self.connect((self.blocks_repeat_0, 0), (self.blks2_selector_0, 0))
self.connect((self.blocks_repeat_1, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.blocks_repeat_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.rational_resampler_base_xxx_0, 0))
self.connect((self.rational_resampler_base_xxx_0, 0),
(self.blks2_selector_0, 1))
def __init__(self):
gr.top_block.__init__(self, "Tags Lab3")
Qt.QWidget.__init__(self)
self.setWindowTitle("Tags Lab3")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "tags_lab3")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sequence = sequence = [
1, 1, -1, -1, 1, 1, -1, -1, 1, 1, -1, -1, 1, -1, 1, -1, -1, 1, 1,
-1
]
self.length_tag_name = length_tag_name = "packet_len"
self.src_tag = src_tag = gr.tag_utils.python_to_tag(
(0, pmt.intern(length_tag_name), pmt.from_long(len(sequence)),
pmt.intern("src")))
self.samp_rate = samp_rate = 200
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
"Pulse", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.digital_glfsr_source_x_0 = digital.glfsr_source_f(31, True, 0, 1)
self.blocks_vector_source_x_0 = blocks.vector_source_f(
sequence, True, 1, [src_tag])
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float * 1,
samp_rate, True)
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(
blocks.float_t, length_tag_name)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_float * 1, length_tag_name, 0)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_float, 1, 80, length_tag_name)
##################################################
# Connections
##################################################
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.blocks_tagged_stream_mux_0, 1))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_vector_source_x_0, 0),
(self.blocks_tagged_stream_mux_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Example: Simple Transmit and Receive")
Qt.QWidget.__init__(self)
self.setWindowTitle("Example: Simple Transmit and Receive")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "pluto_simple_tx_rx")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = int(2.2e6)
self.freq = freq = int(2e9)
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_2 = qtgui.time_sink_c(
100, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_2.set_update_time(0.10)
self.qtgui_time_sink_x_2.set_y_axis(-1, 1)
self.qtgui_time_sink_x_2.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_2.enable_tags(True)
self.qtgui_time_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_2.enable_autoscale(False)
self.qtgui_time_sink_x_2.enable_grid(False)
self.qtgui_time_sink_x_2.enable_axis_labels(True)
self.qtgui_time_sink_x_2.enable_control_panel(False)
self.qtgui_time_sink_x_2.enable_stem_plot(False)
labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ['blue', 'red', 'green', 'black', 'cyan',
'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
for i in range(2):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_2.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_2.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_2.set_line_label(i, labels[i])
self.qtgui_time_sink_x_2.set_line_width(i, widths[i])
self.qtgui_time_sink_x_2.set_line_color(i, colors[i])
self.qtgui_time_sink_x_2.set_line_style(i, styles[i])
self.qtgui_time_sink_x_2.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_2.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_2_win = sip.wrapinstance(self.qtgui_time_sink_x_2.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_2_win, 1, 1, 1, 1)
for r in range(1, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
100, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_1.set_update_time(0.10)
self.qtgui_time_sink_x_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1.enable_tags(True)
self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_1.enable_autoscale(False)
self.qtgui_time_sink_x_1.enable_grid(False)
self.qtgui_time_sink_x_1.enable_axis_labels(True)
self.qtgui_time_sink_x_1.enable_control_panel(False)
self.qtgui_time_sink_x_1.enable_stem_plot(False)
labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ['blue', 'red', 'green', 'black', 'cyan',
'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_win = sip.wrapinstance(self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_win, 1, 0, 1, 1)
for r in range(1, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_c(
80, #size
samp_rate, #samp_rate
'Tx Signal, Time Domain', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0.set_update_time(0.1)
self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_0.enable_tags(True)
self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0_0.enable_autoscale(False)
self.qtgui_time_sink_x_0_0.enable_grid(True)
self.qtgui_time_sink_x_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0.enable_control_panel(False)
self.qtgui_time_sink_x_0_0.enable_stem_plot(False)
labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ['blue', 'red', 'green', 'black', 'cyan',
'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
for i in range(2):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win, 0, 0, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
100, #size
samp_rate, #samp_rate
'Rx Signal, Time Domain', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.1)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(True)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ['blue', 'red', 'green', 'black', 'cyan',
'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
for i in range(2):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 0, 1, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.iio_pluto_source_0 = iio.pluto_source('ip:192.168.2.1', 1200000000, samp_rate, 20000000, 32768, True, True, True, 'fast_attack', 90, '', True)
self.iio_pluto_sink_0 = iio.pluto_sink('ip:192.168.2.1', 1200000000, samp_rate, 2000000, 32768, False, 20.0, '', True)
self.digital_pn_correlator_cc_1 = digital.pn_correlator_cc(5, 0, 1)
self.digital_glfsr_source_x_0 = digital.glfsr_source_f(5, True, 0, 1)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.analog_const_source_x_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_const_source_x_0, 0), (self.blocks_float_to_complex_0, 1))
self.connect((self.blocks_float_to_complex_0, 0), (self.iio_pluto_sink_0, 0))
self.connect((self.blocks_float_to_complex_0, 0), (self.qtgui_time_sink_x_0_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0), (self.qtgui_time_sink_x_1, 0))
self.connect((self.digital_pn_correlator_cc_1, 0), (self.qtgui_time_sink_x_2, 0))
self.connect((self.iio_pluto_source_0, 0), (self.digital_pn_correlator_cc_1, 0))
self.connect((self.iio_pluto_source_0, 0), (self.qtgui_time_sink_x_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Power spectral density and average power")
Qt.QWidget.__init__(self)
self.setWindowTitle("Power spectral density and average power")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings(
"GNU Radio", "power_spectral_density_and_average_power")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sr = sr = 32000
self.samp_rate = samp_rate = 512000
self.interpolation = interpolation = 16
self.glfsrSourceDegree = glfsrSourceDegree = 22
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 0, 0, 1,
1)
self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_VERT, 1)
self.qtgui_number_sink_0.set_update_time(0.10)
self.qtgui_number_sink_0.set_title("Average Power")
labels = ['', '', '', '', '', '', '', '', '', '']
units = ['', '', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0.set_min(i, -1)
self.qtgui_number_sink_0.set_max(i, 1)
self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0.set_label(i, labels[i])
self.qtgui_number_sink_0.set_unit(i, units[i])
self.qtgui_number_sink_0.set_factor(i, factor[i])
self.qtgui_number_sink_0.enable_autoscale(True)
self._qtgui_number_sink_0_win = sip.wrapinstance(
self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_win, 0, 1, 2,
1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_f(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label('Power', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "float" == "float" or "float" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 1, 0, 1,
1)
self.low_pass_filter_1 = filter.fir_filter_fff(
1, firdes.low_pass(1, samp_rate, 10, 10, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_fff(
1,
firdes.low_pass(1, samp_rate, 64000, 3200, firdes.WIN_HAMMING,
6.76))
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(
interpolation,
((1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0)))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.digital_glfsr_source_x_0 = digital.glfsr_source_f(
glfsrSourceDegree, True, 0, 1)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float * 1, sr, True)
self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
##################################################
# Connections
##################################################
self.connect((self.blocks_multiply_xx_0, 0),
(self.low_pass_filter_1, 0))
self.connect((self.blocks_throttle_0, 0),
(self.interp_fir_filter_xxx_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0),
(self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.low_pass_filter_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.low_pass_filter_1, 0),
(self.qtgui_number_sink_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "top_block")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sps = sps = 16
self.samp_rate = samp_rate = 512000
self.ptype = ptype = 'rect'
self.pparms = pparms = [10, 0]
self.fL_div_by_FB = fL_div_by_FB = 0.5
self.FB = FB = 32000
self.A_noise = A_noise = 0.35
##################################################
# Blocks
##################################################
self._fL_div_by_FB_range = Range(0, 8, 0.5, 0.5, 200)
self._fL_div_by_FB_win = RangeWidget(self._fL_div_by_FB_range,
self.set_fL_div_by_FB,
"fL_div_by_FB", "counter_slider",
float)
self.top_layout.addWidget(self._fL_div_by_FB_win)
self._A_noise_range = Range(0.01, 5, 0.01, 0.35, 200)
self._A_noise_win = RangeWidget(self._A_noise_range, self.set_A_noise,
"A_noise", "counter_slider", float)
self.top_layout.addWidget(self._A_noise_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(True)
self.qtgui_time_sink_x_0.enable_grid(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ["", "", "", "", "", "", "", "", "", ""]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_number_sink_0_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ,
1)
self.qtgui_number_sink_0_0.set_update_time(0.10)
self.qtgui_number_sink_0_0.set_title("Noise Power")
labels = ["", "", "", "", "", "", "", "", "", ""]
units = ["", "", "", "", "", "", "", "", "", ""]
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0_0.set_min(i, 0)
self.qtgui_number_sink_0_0.set_max(i, 2)
self.qtgui_number_sink_0_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0_0.set_label(i, labels[i])
self.qtgui_number_sink_0_0.set_unit(i, units[i])
self.qtgui_number_sink_0_0.set_factor(i, factor[i])
self.qtgui_number_sink_0_0.enable_autoscale(False)
self._qtgui_number_sink_0_0_win = sip.wrapinstance(
self.qtgui_number_sink_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_number_sink_0_0_win)
self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_0.set_update_time(0.10)
self.qtgui_number_sink_0.set_title("SNR in dB")
labels = ["", "", "", "", "", "", "", "", "", ""]
units = ["", "", "", "", "", "", "", "", "", ""]
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0.set_min(i, -10)
self.qtgui_number_sink_0.set_max(i, 50)
self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0.set_label(i, labels[i])
self.qtgui_number_sink_0.set_unit(i, units[i])
self.qtgui_number_sink_0.set_factor(i, factor[i])
self.qtgui_number_sink_0.enable_autoscale(False)
self._qtgui_number_sink_0_win = sip.wrapinstance(
self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_number_sink_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_f(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(True)
self.qtgui_freq_sink_x_0.enable_grid(True)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "float" == "float" or "float" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "", "", "", "", "", ""]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.low_pass_filter_0_1 = filter.fir_filter_fff(
1,
firdes.low_pass(1, samp_rate, fL_div_by_FB * FB, 3200,
firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0_0_0 = filter.fir_filter_fff(
1, firdes.low_pass(1, samp_rate, 10, 10, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0_0 = filter.fir_filter_fff(
1, firdes.low_pass(1, samp_rate, 10, 10, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_fff(
1,
firdes.low_pass(1, samp_rate, fL_div_by_FB * FB, 3200,
firdes.WIN_HAMMING, 6.76))
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(
16, (pampt(sps, ptype, pparms)))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.digital_glfsr_source_x_0 = digital.glfsr_source_f(22, True, 0, 1)
self.blocks_wavfile_sink_0 = blocks.wavfile_sink(
"/home/vishal-srivastav/Documents/Communication_Lab_ECEN_5002/Lab5/power_x002_rec_20_FBby2.wav",
1, samp_rate, 16)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_float * 1, FB,
True)
self.blocks_nlog10_ff_0 = blocks.nlog10_ff(10, 1, 0)
self.blocks_multiply_xx_0_0 = blocks.multiply_vff(1)
self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((0.6, ))
self.blocks_divide_xx_0 = blocks.divide_ff(1)
self.blocks_add_xx_1 = blocks.add_vff(1)
self.analog_noise_source_x_0 = analog.noise_source_f(
analog.GR_GAUSSIAN, A_noise, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_noise_source_x_0, 0),
(self.low_pass_filter_0_1, 0))
self.connect((self.blocks_add_xx_1, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_add_xx_1, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_add_xx_1, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_divide_xx_0, 0),
(self.blocks_nlog10_ff_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_wavfile_sink_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.low_pass_filter_0_0, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.low_pass_filter_0_0_0, 0))
self.connect((self.blocks_nlog10_ff_0, 0),
(self.qtgui_number_sink_0, 0))
self.connect((self.blocks_throttle_0_0, 0),
(self.interp_fir_filter_xxx_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.blocks_throttle_0_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0),
(self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.blocks_add_xx_1, 0))
self.connect((self.low_pass_filter_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.low_pass_filter_0_0, 0),
(self.blocks_divide_xx_0, 0))
self.connect((self.low_pass_filter_0_0_0, 0),
(self.blocks_divide_xx_0, 1))
self.connect((self.low_pass_filter_0_0_0, 0),
(self.qtgui_number_sink_0_0, 0))
self.connect((self.low_pass_filter_0_1, 0), (self.blocks_add_xx_1, 1))
self.connect((self.low_pass_filter_0_1, 0),
(self.blocks_multiply_xx_0_0, 0))
self.connect((self.low_pass_filter_0_1, 0),
(self.blocks_multiply_xx_0_0, 1))
