def set_numSamples(self, numSamples):
self.numSamples = numSamples
Qt.QMetaObject.invokeMethod(self._numSamples_line_edit, "setText",
Qt.Q_ARG("QString", str(self.numSamples)))
self.blocks_vector_source_x_0.set_data(
create_noise.createNoise(self.centerFreq_Hz, self.bandwidth_Hz,
self.sampleRate_Hz, self.numSamples), [])
def set_bandwidth_Hz(self, bandwidth_Hz):
self.bandwidth_Hz = bandwidth_Hz
Qt.QMetaObject.invokeMethod(
self._bandwidth_Hz_line_edit, "setText",
Qt.Q_ARG("QString", eng_notation.num_to_str(self.bandwidth_Hz)))
self.blocks_vector_source_x_0.set_data(
create_noise.createNoise(self.centerFreq_Hz, self.bandwidth_Hz,
self.sampleRate_Hz, self.numSamples), [])
def __init__(self):
gr.top_block.__init__(self, "Create AWGN noise")
Qt.QWidget.__init__(self)
self.setWindowTitle("Create AWGN noise")
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", "createNoise")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sampleRate_Hz = sampleRate_Hz = 30000
self.samp_rate = samp_rate = sampleRate_Hz
self.numSamples = numSamples = 1000000
self.centerFreq_Hz = centerFreq_Hz = 7500
self.bandwidth_Hz = bandwidth_Hz = 5000
##################################################
# Blocks
##################################################
self.tab = Qt.QTabWidget()
self.tab_widget_0 = Qt.QWidget()
self.tab_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tab_widget_0)
self.tab_grid_layout_0 = Qt.QGridLayout()
self.tab_layout_0.addLayout(self.tab_grid_layout_0)
self.tab.addTab(self.tab_widget_0, 'AWGN')
self.top_layout.addWidget(self.tab)
self._sampleRate_Hz_tool_bar = Qt.QToolBar(self)
self._sampleRate_Hz_tool_bar.addWidget(
Qt.QLabel('Sample Rate (Hz)' + ": "))
self._sampleRate_Hz_line_edit = Qt.QLineEdit(str(self.sampleRate_Hz))
self._sampleRate_Hz_tool_bar.addWidget(self._sampleRate_Hz_line_edit)
self._sampleRate_Hz_line_edit.returnPressed.connect(
lambda: self.set_sampleRate_Hz(
int(str(self._sampleRate_Hz_line_edit.text().toAscii()))))
self.tab_grid_layout_0.addWidget(self._sampleRate_Hz_tool_bar, 0, 2, 1,
1)
self._numSamples_tool_bar = Qt.QToolBar(self)
self._numSamples_tool_bar.addWidget(
Qt.QLabel('Number of Points' + ": "))
self._numSamples_line_edit = Qt.QLineEdit(str(self.numSamples))
self._numSamples_tool_bar.addWidget(self._numSamples_line_edit)
self._numSamples_line_edit.returnPressed.connect(
lambda: self.set_numSamples(
int(str(self._numSamples_line_edit.text().toAscii()))))
self.tab_grid_layout_0.addWidget(self._numSamples_tool_bar, 0, 3, 1, 1)
self._centerFreq_Hz_tool_bar = Qt.QToolBar(self)
self._centerFreq_Hz_tool_bar.addWidget(
Qt.QLabel('Center Frequency (Hz)' + ": "))
self._centerFreq_Hz_line_edit = Qt.QLineEdit(str(self.centerFreq_Hz))
self._centerFreq_Hz_tool_bar.addWidget(self._centerFreq_Hz_line_edit)
self._centerFreq_Hz_line_edit.returnPressed.connect(
lambda: self.set_centerFreq_Hz(
eng_notation.str_to_num(
str(self._centerFreq_Hz_line_edit.text().toAscii()))))
self.tab_grid_layout_0.addWidget(self._centerFreq_Hz_tool_bar, 0, 0, 1,
1)
self._bandwidth_Hz_tool_bar = Qt.QToolBar(self)
self._bandwidth_Hz_tool_bar.addWidget(
Qt.QLabel('Bandwidth (Hz)' + ": "))
self._bandwidth_Hz_line_edit = Qt.QLineEdit(str(self.bandwidth_Hz))
self._bandwidth_Hz_tool_bar.addWidget(self._bandwidth_Hz_line_edit)
self._bandwidth_Hz_line_edit.returnPressed.connect(
lambda: self.set_bandwidth_Hz(
eng_notation.str_to_num(
str(self._bandwidth_Hz_line_edit.text().toAscii()))))
self.tab_grid_layout_0.addWidget(self._bandwidth_Hz_tool_bar, 0, 1, 1,
1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
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(-225, -75)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', '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(True)
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 "complex" == "float" or "complex" == "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.tab_grid_layout_0.addWidget(self._qtgui_freq_sink_x_0_win, 1, 0,
1, 4)
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(
gr.sizeof_gr_complex * 1, numSamples)
self.blocks_vector_source_x_0 = blocks.vector_source_c(
create_noise.createNoise(centerFreq_Hz, bandwidth_Hz,
sampleRate_Hz, numSamples), True,
numSamples, [])
self.blocks_throttle_0 = blocks.throttle(
gr.sizeof_gr_complex * numSamples, samp_rate, True)
##################################################
# Connections
##################################################
self.connect((self.blocks_throttle_0, 0),
(self.blocks_vector_to_stream_0, 0))
self.connect((self.blocks_vector_source_x_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0),
(self.qtgui_freq_sink_x_0, 0))