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authorsara <sara.halter@gmx.ch>2021-10-12 16:56:07 +0200
committersara <sara.halter@gmx.ch>2021-10-12 16:56:07 +0200
commit62e4fe1cac74a1055c20212f246d3547e976bd4f (patch)
tree18b5405d4c1c126ec0d5ed2d0dcd9bb085dcfa82 /tests/Simulation/AM/Simluation.py
parentMerge branch 'master' of github.com:NaoPross/Fading (diff)
downloadFading-62e4fe1cac74a1055c20212f246d3547e976bd4f.tar.gz
Fading-62e4fe1cac74a1055c20212f246d3547e976bd4f.zip
Simulations Versuch von AM und SSB
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-rwxr-xr-xtests/Simulation/AM/Simluation.py236
1 files changed, 236 insertions, 0 deletions
diff --git a/tests/Simulation/AM/Simluation.py b/tests/Simulation/AM/Simluation.py
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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+#
+# SPDX-License-Identifier: GPL-3.0
+#
+# GNU Radio Python Flow Graph
+# Title: Simulation of a fading channel
+# Author: Naoki Pross
+# GNU Radio version: 3.8.2.0
+
+from distutils.version import StrictVersion
+
+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()")
+
+from PyQt5 import Qt
+from gnuradio import qtgui
+from gnuradio.filter import firdes
+import sip
+from gnuradio import analog
+from gnuradio import blocks
+from gnuradio import fosphor
+from gnuradio.fft import window
+from gnuradio import gr
+import sys
+import signal
+from argparse import ArgumentParser
+from gnuradio.eng_arg import eng_float, intx
+from gnuradio import eng_notation
+
+from gnuradio import qtgui
+
+class Simluation(gr.top_block, Qt.QWidget):
+
+ def __init__(self):
+ gr.top_block.__init__(self, "Simulation of a fading channel")
+ Qt.QWidget.__init__(self)
+ self.setWindowTitle("Simulation of a fading channel")
+ 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", "Simluation")
+
+ 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 = 128e3
+ self.modulation_factor = modulation_factor = .7
+ self.carrier_freq = carrier_freq = 5e3
+
+ ##################################################
+ # Blocks
+ ##################################################
+ self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
+ 1024, #size
+ samp_rate, #samp_rate
+ "Demodulated AM signal", #name
+ 2 #number of inputs
+ )
+ self.qtgui_time_sink_x_0.set_update_time(1e-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_NORM, qtgui.TRIG_SLOPE_POS, 0.0, 1e-3, 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_axis_labels(True)
+ self.qtgui_time_sink_x_0.enable_control_panel(False)
+ self.qtgui_time_sink_x_0.enable_stem_plot(False)
+
+
+ labels = ['Original', 'Demodulated', '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:
+ 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)
+ self.fosphor_glfw_sink_c_0 = fosphor.glfw_sink_c()
+ self.fosphor_glfw_sink_c_0.set_fft_window(firdes.WIN_BLACKMAN_hARRIS)
+ self.fosphor_glfw_sink_c_0.set_frequency_range(0, samp_rate)
+ self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate * 2,True)
+ self.blocks_multiply_xx_1 = blocks.multiply_vcc(1)
+ self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
+ self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
+ self.blocks_add_xx_0 = blocks.add_vcc(1)
+ self.analog_sig_source_x_1 = analog.sig_source_c(samp_rate, analog.GR_SQR_WAVE, 50, 1, 0, 0)
+ self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, carrier_freq, 1, 0, 0)
+ self.analog_const_source_x_1 = analog.sig_source_c(0, analog.GR_CONST_WAVE, 0, 0, modulation_factor)
+ self.analog_const_source_x_0 = analog.sig_source_c(0, analog.GR_CONST_WAVE, 0, 0, 1)
+ self.analog_am_demod_cf_0 = analog.am_demod_cf(
+ channel_rate=samp_rate,
+ audio_decim=1,
+ audio_pass=5000,
+ audio_stop=5500,
+ )
+
+
+
+ ##################################################
+ # Connections
+ ##################################################
+ self.connect((self.analog_am_demod_cf_0, 0), (self.qtgui_time_sink_x_0, 1))
+ self.connect((self.analog_const_source_x_0, 0), (self.blocks_add_xx_0, 1))
+ self.connect((self.analog_const_source_x_1, 0), (self.blocks_multiply_xx_1, 0))
+ self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
+ self.connect((self.analog_sig_source_x_1, 0), (self.blocks_multiply_xx_1, 1))
+ self.connect((self.blocks_add_xx_0, 0), (self.blocks_complex_to_real_0, 0))
+ self.connect((self.blocks_add_xx_0, 0), (self.blocks_multiply_xx_0, 0))
+ self.connect((self.blocks_complex_to_real_0, 0), (self.qtgui_time_sink_x_0, 0))
+ self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_throttle_0, 0))
+ self.connect((self.blocks_multiply_xx_1, 0), (self.blocks_add_xx_0, 0))
+ self.connect((self.blocks_throttle_0, 0), (self.analog_am_demod_cf_0, 0))
+ self.connect((self.blocks_throttle_0, 0), (self.fosphor_glfw_sink_c_0, 0))
+
+
+ def closeEvent(self, event):
+ self.settings = Qt.QSettings("GNU Radio", "Simluation")
+ self.settings.setValue("geometry", self.saveGeometry())
+ event.accept()
+
+ def get_samp_rate(self):
+ return self.samp_rate
+
+ def set_samp_rate(self, samp_rate):
+ self.samp_rate = samp_rate
+ self.analog_sig_source_x_0.set_sampling_freq(self.samp_rate)
+ self.analog_sig_source_x_1.set_sampling_freq(self.samp_rate)
+ self.blocks_throttle_0.set_sample_rate(self.samp_rate * 2)
+ self.fosphor_glfw_sink_c_0.set_frequency_range(0, self.samp_rate)
+ self.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate)
+
+ def get_modulation_factor(self):
+ return self.modulation_factor
+
+ def set_modulation_factor(self, modulation_factor):
+ self.modulation_factor = modulation_factor
+ self.analog_const_source_x_1.set_offset(self.modulation_factor)
+
+ def get_carrier_freq(self):
+ return self.carrier_freq
+
+ def set_carrier_freq(self, carrier_freq):
+ self.carrier_freq = carrier_freq
+ self.analog_sig_source_x_0.set_frequency(self.carrier_freq)
+
+
+
+
+
+def main(top_block_cls=Simluation, options=None):
+ if gr.enable_realtime_scheduling() != gr.RT_OK:
+ print("Error: failed to enable real-time scheduling.")
+
+ if StrictVersion("4.5.0") <= StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
+ 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 sig_handler(sig=None, frame=None):
+ Qt.QApplication.quit()
+
+ signal.signal(signal.SIGINT, sig_handler)
+ signal.signal(signal.SIGTERM, sig_handler)
+
+ timer = Qt.QTimer()
+ timer.start(500)
+ timer.timeout.connect(lambda: None)
+
+ def quitting():
+ tb.stop()
+ tb.wait()
+
+ qapp.aboutToQuit.connect(quitting)
+ qapp.exec_()
+
+if __name__ == '__main__':
+ main()