#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: Run Rootmusic Lin Array LimeSDR
# Generated: Tue Apr 3 20:14:45 2018
##################################################
if __name__ == '__main__':
import ctypes
import sys
if sys.platform.startswith('linux'):
try:
x11 = ctypes.cdll.LoadLibrary('libX11.so')
x11.XInitThreads()
except:
print "Warning: failed to XInitThreads()"
def struct(data): return type('Struct', (object,), data)()
from PyQt4 import Qt
from gnuradio import eng_notation
from gnuradio import gr
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from optparse import OptionParser
import doa
import sys
class run_RootMUSIC_lin_array_LimeSDR(gr.top_block, Qt.QWidget):
def __init__(self):
gr.top_block.__init__(self, "Run Rootmusic Lin Array LimeSDR")
Qt.QWidget.__init__(self)
self.setWindowTitle("Run Rootmusic Lin Array LimeSDR")
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", "run_RootMUSIC_lin_array_LimeSDR")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
# NormSpacing 天线之间的实际距离,单位为米,类型为浮点类型
# NumTargets 发出信号的设备数量
##################################################
self.input_variables = input_variables = struct({"SampleRate": 1000000, "CenterFreq": 2550000000, "Gain": 60, "NumArrayElements": 2, "NormSpacing": 0.5, "SnapshotSize": 2**11, "OverlapSize": 2**9, "NumTargets": 1, })
##################################################
# Blocks
##################################################
self.limesdr = doa.limesdr_soapysdr_source(
samp_rate=input_variables.SampleRate,
center_freq=input_variables.CenterFreq,
gain=input_variables.Gain,
sources=input_variables.NumArrayElements
)
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, "Angle of Arrival")
self.top_layout.addWidget(self.tab)
self.doa_rootMUSIC_linear_array_0 = doa.rootMUSIC_linear_array(input_variables.NormSpacing, input_variables.NumTargets, input_variables.NumArrayElements)
self.doa_qt_compass_0 = doa.compass("", 0, 180, 10, 0)
self.top_layout.addLayout(self.doa_qt_compass_0.this_layout)
self.doa_autocorrelate_0 = doa.autocorrelate(input_variables.NumArrayElements, input_variables.SnapshotSize, input_variables.OverlapSize, 1)
##################################################
# Connections
##################################################
self.connect((self.doa_autocorrelate_0, 0), (self.doa_rootMUSIC_linear_array_0, 0))
self.connect((self.doa_rootMUSIC_linear_array_0, 0), (self.doa_qt_compass_0, 0))
for ch in range(input_variables.NumArrayElements) :
self.connect((self.limesdr, ch), (self.doa_autocorrelate_0, ch))
def closeEvent(self, event):
self.settings = Qt.QSettings("GNU Radio", "run_RootMUSIC_lin_array_LimeSDR")
self.settings.setValue("geometry", self.saveGeometry())
event.accept()
def main(top_block_cls=run_RootMUSIC_lin_array_LimeSDR, options=None):
from distutils.version import StrictVersion
if StrictVersion(Qt.qVersion()) >= StrictVersion("4.5.0"):
style = gr.prefs().get_string('qtgui', 'style', 'raster')
Qt.QApplication.setGraphicsSystem(style)
qapp = Qt.QApplication(sys.argv)
tb = top_block_cls()
tb.start()
tb.show()
def quitting():
tb.stop()
tb.wait()
qapp.connect(qapp, Qt.SIGNAL("aboutToQuit()"), quitting)
qapp.exec_()
if __name__ == '__main__':
main()