Rename directory

1 files changed, 0 insertions, 724 deletions

diff --git a/simulation/QAM_Fading/Alte_versionen/qam_fading.py b/simulation/QAM_Fading/Alte_versionen/qam_fading.py
deleted file mode 100755
index e3b2574..0000000
--- a/simulation/QAM_Fading/Alte_versionen/qam_fading.py
+++ /dev/null
@@ -1,724 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-#
-# SPDX-License-Identifier: GPL-3.0
-#
-# GNU Radio Python Flow Graph
-# Title: QAM mit Fading
-# Author: Pross Naoki, Halter Sara Cinzia
-# 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 blocks
-import numpy
-from gnuradio import channels
-from gnuradio import digital
-from gnuradio import filter
-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.qtgui import Range, RangeWidget
-
-from gnuradio import qtgui
-
-class qam_fading(gr.top_block, Qt.QWidget):
-
-    def __init__(self):
-        gr.top_block.__init__(self, "QAM mit Fading")
-        Qt.QWidget.__init__(self)
-        self.setWindowTitle("QAM mit Fading")
-        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", "qam_fading")
-
-        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.sps = sps = 4
-        self.nfilts = nfilts = 32
-        self.excess_bw = excess_bw = 350e-3
-        self.timing_loop_bw = timing_loop_bw = 2 * 3.141592653589793 / 100
-        self.time_offset = time_offset = 1.0
-        self.samp_rate = samp_rate = 32000
-        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 45*nfilts)
-        self.phase_bw = phase_bw = 2 * 3.141592653589793 / 100
-        self.noise_volt = noise_volt = 0.0001
-        self.freq_offset = freq_offset = 0
-        self.eq_ntaps = eq_ntaps = 15
-        self.eq_mod = eq_mod = 1
-        self.eq_gain = eq_gain = .01
-        self.const = const = digital.constellation_16qam().base()
-        self.chn_taps = chn_taps = [1.0 + 0.0j, ]
-
-        ##################################################
-        # Blocks
-        ##################################################
-        self.params = Qt.QTabWidget()
-        self.params_widget_0 = Qt.QWidget()
-        self.params_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.params_widget_0)
-        self.params_grid_layout_0 = Qt.QGridLayout()
-        self.params_layout_0.addLayout(self.params_grid_layout_0)
-        self.params.addTab(self.params_widget_0, 'Channel')
-        self.params_widget_1 = Qt.QWidget()
-        self.params_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.params_widget_1)
-        self.params_grid_layout_1 = Qt.QGridLayout()
-        self.params_layout_1.addLayout(self.params_grid_layout_1)
-        self.params.addTab(self.params_widget_1, 'Receiver')
-        self.top_grid_layout.addWidget(self.params)
-        self._timing_loop_bw_range = Range(0, 200e-3, 10e-3, 2 * 3.141592653589793 / 100, 200)
-        self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, 'Time Bandwidth', "counter_slider", float)
-        self.params_grid_layout_0.addWidget(self._timing_loop_bw_win, 1, 1, 1, 1)
-        for r in range(1, 2):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(1, 2):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
-        self._time_offset_range = Range(0.999, 1.001, 0.0001, 1.0, 200)
-        self._time_offset_win = RangeWidget(self._time_offset_range, self.set_time_offset, 'Timing Offset', "counter_slider", float)
-        self.params_grid_layout_0.addWidget(self._time_offset_win, 0, 1, 1, 1)
-        for r in range(0, 1):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(1, 2):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
-        self.plots = Qt.QTabWidget()
-        self.plots_widget_0 = Qt.QWidget()
-        self.plots_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_0)
-        self.plots_grid_layout_0 = Qt.QGridLayout()
-        self.plots_layout_0.addLayout(self.plots_grid_layout_0)
-        self.plots.addTab(self.plots_widget_0, 'Constellations')
-        self.plots_widget_1 = Qt.QWidget()
-        self.plots_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_1)
-        self.plots_grid_layout_1 = Qt.QGridLayout()
-        self.plots_layout_1.addLayout(self.plots_grid_layout_1)
-        self.plots.addTab(self.plots_widget_1, 'Frequency')
-        self.plots_widget_2 = Qt.QWidget()
-        self.plots_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_2)
-        self.plots_grid_layout_2 = Qt.QGridLayout()
-        self.plots_layout_2.addLayout(self.plots_grid_layout_2)
-        self.plots.addTab(self.plots_widget_2, 'Time')
-        self.top_grid_layout.addWidget(self.plots)
-        self._phase_bw_range = Range(0, 1, .01, 2 * 3.141592653589793 / 100, 200)
-        self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, 'Phase Bandwidth', "counter_slider", float)
-        self.params_grid_layout_1.addWidget(self._phase_bw_win, 1, 0, 1, 1)
-        for r in range(1, 2):
-            self.params_grid_layout_1.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.params_grid_layout_1.setColumnStretch(c, 1)
-        self._noise_volt_range = Range(0, 1, 0.01, 0.0001, 200)
-        self._noise_volt_win = RangeWidget(self._noise_volt_range, self.set_noise_volt, 'Noise Voltage', "counter_slider", float)
-        self.params_grid_layout_0.addWidget(self._noise_volt_win, 0, 0, 1, 1)
-        for r in range(0, 1):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
-        self._freq_offset_range = Range(-100e-3, 100e-3, 1e-3, 0, 200)
-        self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, 'Frequency Offset', "counter_slider", float)
-        self.params_grid_layout_0.addWidget(self._freq_offset_win, 1, 0, 1, 1)
-        for r in range(1, 2):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
-        self._eq_gain_range = Range(0, .1, .001, .01, 200)
-        self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, 'Equalizer Rate', "counter_slider", float)
-        self.params_grid_layout_1.addWidget(self._eq_gain_win, 0, 0, 1, 1)
-        for r in range(0, 1):
-            self.params_grid_layout_1.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.params_grid_layout_1.setColumnStretch(c, 1)
-        self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
-            1024, #size
-            samp_rate, #samp_rate
-            "Decoded", #name
-            3 #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(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)
-        self.qtgui_time_sink_x_0.enable_stem_plot(False)
-
-
-        labels = ['Received', 'Sent', '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(3):
-            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.plots_grid_layout_2.addWidget(self._qtgui_time_sink_x_0_win, 0, 0, 1, 1)
-        for r in range(0, 1):
-            self.plots_grid_layout_2.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.plots_grid_layout_2.setColumnStretch(c, 1)
-        self.qtgui_freq_sink_x_2_1 = qtgui.freq_sink_f(
-            1024, #size
-            firdes.WIN_BLACKMAN_hARRIS, #wintype
-            0, #fc
-            samp_rate, #bw
-            "", #name
-            2
-        )
-        self.qtgui_freq_sink_x_2_1.set_update_time(0.10)
-        self.qtgui_freq_sink_x_2_1.set_y_axis(-140, 10)
-        self.qtgui_freq_sink_x_2_1.set_y_label('Relative Gain', 'dB')
-        self.qtgui_freq_sink_x_2_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
-        self.qtgui_freq_sink_x_2_1.enable_autoscale(False)
-        self.qtgui_freq_sink_x_2_1.enable_grid(False)
-        self.qtgui_freq_sink_x_2_1.set_fft_average(1.0)
-        self.qtgui_freq_sink_x_2_1.enable_axis_labels(True)
-        self.qtgui_freq_sink_x_2_1.enable_control_panel(False)
-
-
-        self.qtgui_freq_sink_x_2_1.set_plot_pos_half(not True)
-
-        labels = ['Fading', '', '', '', '',
-            '', '', '', '', '']
-        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 range(2):
-            if len(labels[i]) == 0:
-                self.qtgui_freq_sink_x_2_1.set_line_label(i, "Data {0}".format(i))
-            else:
-                self.qtgui_freq_sink_x_2_1.set_line_label(i, labels[i])
-            self.qtgui_freq_sink_x_2_1.set_line_width(i, widths[i])
-            self.qtgui_freq_sink_x_2_1.set_line_color(i, colors[i])
-            self.qtgui_freq_sink_x_2_1.set_line_alpha(i, alphas[i])
-
-        self._qtgui_freq_sink_x_2_1_win = sip.wrapinstance(self.qtgui_freq_sink_x_2_1.pyqwidget(), Qt.QWidget)
-        self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_2_1_win)
-        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
-            1024, #size
-            firdes.WIN_BLACKMAN_hARRIS, #wintype
-            0, #fc
-            samp_rate, #bw
-            "Channel", #name
-            2
-        )
-        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('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(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)
-
-
-
-        labels = ['Fading', '', '', '', '',
-            '', '', '', '', '']
-        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 range(2):
-            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.plots_grid_layout_1.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 1, 1)
-        for r in range(0, 1):
-            self.plots_grid_layout_1.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.plots_grid_layout_1.setColumnStretch(c, 1)
-        self.qtgui_const_sink_x_2 = qtgui.const_sink_c(
-            1024, #size
-            "Locked", #name
-            2 #number of inputs
-        )
-        self.qtgui_const_sink_x_2.set_update_time(0.10)
-        self.qtgui_const_sink_x_2.set_y_axis(-2, 2)
-        self.qtgui_const_sink_x_2.set_x_axis(-2, 2)
-        self.qtgui_const_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
-        self.qtgui_const_sink_x_2.enable_autoscale(False)
-        self.qtgui_const_sink_x_2.enable_grid(False)
-        self.qtgui_const_sink_x_2.enable_axis_labels(True)
-
-
-        labels = ['Fading', '', '', '', '',
-            '', '', '', '', '']
-        widths = [1, 1, 1, 1, 1,
-            1, 1, 1, 1, 1]
-        colors = ["blue", "red", "red", "red", "red",
-            "red", "red", "red", "red", "red"]
-        styles = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        markers = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
-            1.0, 1.0, 1.0, 1.0, 1.0]
-
-        for i in range(2):
-            if len(labels[i]) == 0:
-                self.qtgui_const_sink_x_2.set_line_label(i, "Data {0}".format(i))
-            else:
-                self.qtgui_const_sink_x_2.set_line_label(i, labels[i])
-            self.qtgui_const_sink_x_2.set_line_width(i, widths[i])
-            self.qtgui_const_sink_x_2.set_line_color(i, colors[i])
-            self.qtgui_const_sink_x_2.set_line_style(i, styles[i])
-            self.qtgui_const_sink_x_2.set_line_marker(i, markers[i])
-            self.qtgui_const_sink_x_2.set_line_alpha(i, alphas[i])
-
-        self._qtgui_const_sink_x_2_win = sip.wrapinstance(self.qtgui_const_sink_x_2.pyqwidget(), Qt.QWidget)
-        self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_2_win, 1, 1, 1, 1)
-        for r in range(1, 2):
-            self.plots_grid_layout_0.setRowStretch(r, 1)
-        for c in range(1, 2):
-            self.plots_grid_layout_0.setColumnStretch(c, 1)
-        self.qtgui_const_sink_x_1 = qtgui.const_sink_c(
-            1024, #size
-            "Equalized", #name
-            2 #number of inputs
-        )
-        self.qtgui_const_sink_x_1.set_update_time(0.10)
-        self.qtgui_const_sink_x_1.set_y_axis(-2, 2)
-        self.qtgui_const_sink_x_1.set_x_axis(-2, 2)
-        self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
-        self.qtgui_const_sink_x_1.enable_autoscale(False)
-        self.qtgui_const_sink_x_1.enable_grid(False)
-        self.qtgui_const_sink_x_1.enable_axis_labels(True)
-
-
-        labels = ['Fading', '', '', '', '',
-            '', '', '', '', '']
-        widths = [1, 1, 1, 1, 1,
-            1, 1, 1, 1, 1]
-        colors = ["blue", "red", "red", "red", "red",
-            "red", "red", "red", "red", "red"]
-        styles = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        markers = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
-            1.0, 1.0, 1.0, 1.0, 1.0]
-
-        for i in range(2):
-            if len(labels[i]) == 0:
-                self.qtgui_const_sink_x_1.set_line_label(i, "Data {0}".format(i))
-            else:
-                self.qtgui_const_sink_x_1.set_line_label(i, labels[i])
-            self.qtgui_const_sink_x_1.set_line_width(i, widths[i])
-            self.qtgui_const_sink_x_1.set_line_color(i, colors[i])
-            self.qtgui_const_sink_x_1.set_line_style(i, styles[i])
-            self.qtgui_const_sink_x_1.set_line_marker(i, markers[i])
-            self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i])
-
-        self._qtgui_const_sink_x_1_win = sip.wrapinstance(self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget)
-        self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_1_win, 1, 0, 1, 1)
-        for r in range(1, 2):
-            self.plots_grid_layout_0.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.plots_grid_layout_0.setColumnStretch(c, 1)
-        self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(
-            2048, #size
-            "Synchronized", #name
-            2 #number of inputs
-        )
-        self.qtgui_const_sink_x_0_0.set_update_time(0.10)
-        self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2)
-        self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2)
-        self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
-        self.qtgui_const_sink_x_0_0.enable_autoscale(False)
-        self.qtgui_const_sink_x_0_0.enable_grid(False)
-        self.qtgui_const_sink_x_0_0.enable_axis_labels(True)
-
-
-        labels = ['Fading', '', '', '', '',
-            '', '', '', '', '']
-        widths = [1, 1, 1, 1, 1,
-            1, 1, 1, 1, 1]
-        colors = ["blue", "red", "red", "red", "red",
-            "red", "red", "red", "red", "red"]
-        styles = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        markers = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
-            1.0, 1.0, 1.0, 1.0, 1.0]
-
-        for i in range(2):
-            if len(labels[i]) == 0:
-                self.qtgui_const_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
-            else:
-                self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i])
-            self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i])
-            self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i])
-            self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i])
-            self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i])
-            self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i])
-
-        self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget)
-        self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_0_win, 0, 1, 1, 1)
-        for r in range(0, 1):
-            self.plots_grid_layout_0.setRowStretch(r, 1)
-        for c in range(1, 2):
-            self.plots_grid_layout_0.setColumnStretch(c, 1)
-        self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
-            2048, #size
-            "Channel", #name
-            2 #number of inputs
-        )
-        self.qtgui_const_sink_x_0.set_update_time(0.10)
-        self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
-        self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
-        self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
-        self.qtgui_const_sink_x_0.enable_autoscale(False)
-        self.qtgui_const_sink_x_0.enable_grid(False)
-        self.qtgui_const_sink_x_0.enable_axis_labels(True)
-
-
-        labels = ['Fading', '', '', '', '',
-            '', '', '', '', '']
-        widths = [1, 1, 1, 1, 1,
-            1, 1, 1, 1, 1]
-        colors = ["blue", "red", "red", "red", "red",
-            "red", "red", "red", "red", "red"]
-        styles = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        markers = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
-            1.0, 1.0, 1.0, 1.0, 1.0]
-
-        for i in range(2):
-            if len(labels[i]) == 0:
-                self.qtgui_const_sink_x_0.set_line_label(i, "Data {0}".format(i))
-            else:
-                self.qtgui_const_sink_x_0.set_line_label(i, labels[i])
-            self.qtgui_const_sink_x_0.set_line_width(i, widths[i])
-            self.qtgui_const_sink_x_0.set_line_color(i, colors[i])
-            self.qtgui_const_sink_x_0.set_line_style(i, styles[i])
-            self.qtgui_const_sink_x_0.set_line_marker(i, markers[i])
-            self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i])
-
-        self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
-        self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win, 0, 0, 1, 1)
-        for r in range(0, 1):
-            self.plots_grid_layout_0.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.plots_grid_layout_0.setColumnStretch(c, 1)
-        self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(1, [1]+[0 for n in range(0, 2*sps-1)]+[0.2], 0, samp_rate)
-        self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf(sps , timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 1)
-        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 1)
-        self.digital_map_bb_0_0 = digital.map_bb([0, 1, 3, 2])
-        self.digital_map_bb_0 = digital.map_bb([0, 1, 3, 2])
-        self.digital_diff_decoder_bb_0_0 = digital.diff_decoder_bb(4)
-        self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
-        self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(phase_bw, 4, False)
-        self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, 4, False)
-        self.digital_constellation_modulator_0 = digital.generic_mod(
-            constellation=const,
-            differential=True,
-            samples_per_symbol=sps,
-            pre_diff_code=True,
-            excess_bw=excess_bw,
-            verbose=False,
-            log=False)
-        self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb(const)
-        self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(const)
-        self.digital_cma_equalizer_cc_0_0 = digital.cma_equalizer_cc(eq_ntaps, eq_mod, eq_gain, 2)
-        self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(eq_ntaps, eq_mod, eq_gain, 2)
-        self.channels_channel_model_0 = channels.channel_model(
-            noise_voltage=noise_volt,
-            frequency_offset=freq_offset,
-            epsilon=time_offset,
-            taps=chn_taps,
-            noise_seed=0,
-            block_tags=False)
-        self.blocks_unpack_k_bits_bb_0_1 = blocks.unpack_k_bits_bb(2)
-        self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(2)
-        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
-        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
-        self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, 50)
-        self.blocks_char_to_float_0_1 = blocks.char_to_float(1, 1)
-        self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
-        self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
-        self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 256, 1000))), True)
-
-
-
-        ##################################################
-        # Connections
-        ##################################################
-        self.connect((self.analog_random_source_x_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0))
-        self.connect((self.analog_random_source_x_0, 0), (self.digital_constellation_modulator_0, 0))
-        self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_freq_sink_x_2_1, 0))
-        self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_0, 0))
-        self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_delay_0, 0))
-        self.connect((self.blocks_char_to_float_0_1, 0), (self.qtgui_freq_sink_x_2_1, 1))
-        self.connect((self.blocks_char_to_float_0_1, 0), (self.qtgui_time_sink_x_0, 2))
-        self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0, 1))
-        self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
-        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0, 0))
-        self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0, 0))
-        self.connect((self.blocks_unpack_k_bits_bb_0_1, 0), (self.blocks_char_to_float_0_1, 0))
-        self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0_0, 0))
-        self.connect((self.channels_channel_model_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
-        self.connect((self.channels_channel_model_0, 0), (self.qtgui_const_sink_x_0, 1))
-        self.connect((self.channels_channel_model_0, 0), (self.qtgui_freq_sink_x_0, 1))
-        self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
-        self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_const_sink_x_1, 0))
-        self.connect((self.digital_cma_equalizer_cc_0_0, 0), (self.digital_costas_loop_cc_0_0, 0))
-        self.connect((self.digital_cma_equalizer_cc_0_0, 0), (self.qtgui_const_sink_x_1, 1))
-        self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0))
-        self.connect((self.digital_constellation_decoder_cb_0_0, 0), (self.digital_diff_decoder_bb_0_0, 0))
-        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0))
-        self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0))
-        self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_2, 0))
-        self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_constellation_decoder_cb_0_0, 0))
-        self.connect((self.digital_costas_loop_cc_0_0, 0), (self.qtgui_const_sink_x_2, 1))
-        self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_map_bb_0, 0))
-        self.connect((self.digital_diff_decoder_bb_0_0, 0), (self.digital_map_bb_0_0, 0))
-        self.connect((self.digital_map_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
-        self.connect((self.digital_map_bb_0_0, 0), (self.blocks_unpack_k_bits_bb_0_1, 0))
-        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
-        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_0_0, 0))
-        self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.digital_cma_equalizer_cc_0_0, 0))
-        self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.qtgui_const_sink_x_0_0, 1))
-        self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
-        self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_const_sink_x_0, 0))
-        self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_freq_sink_x_0, 0))
-
-
-    def closeEvent(self, event):
-        self.settings = Qt.QSettings("GNU Radio", "qam_fading")
-        self.settings.setValue("geometry", self.saveGeometry())
-        event.accept()
-
-    def get_sps(self):
-        return self.sps
-
-    def set_sps(self, sps):
-        self.sps = sps
-        self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), self.excess_bw, 45*self.nfilts))
-        self.freq_xlating_fir_filter_xxx_0.set_taps([1]+[0 for n in range(0, 2*self.sps-1)]+[0.2])
-
-    def get_nfilts(self):
-        return self.nfilts
-
-    def set_nfilts(self, nfilts):
-        self.nfilts = nfilts
-        self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), self.excess_bw, 45*self.nfilts))
-
-    def get_excess_bw(self):
-        return self.excess_bw
-
-    def set_excess_bw(self, excess_bw):
-        self.excess_bw = excess_bw
-        self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), self.excess_bw, 45*self.nfilts))
-
-    def get_timing_loop_bw(self):
-        return self.timing_loop_bw
-
-    def set_timing_loop_bw(self, timing_loop_bw):
-        self.timing_loop_bw = timing_loop_bw
-        self.digital_pfb_clock_sync_xxx_0.set_loop_bandwidth(self.timing_loop_bw)
-        self.digital_pfb_clock_sync_xxx_0_0.set_loop_bandwidth(self.timing_loop_bw)
-
-    def get_time_offset(self):
-        return self.time_offset
-
-    def set_time_offset(self, time_offset):
-        self.time_offset = time_offset
-        self.channels_channel_model_0.set_timing_offset(self.time_offset)
-
-    def get_samp_rate(self):
-        return self.samp_rate
-
-    def set_samp_rate(self, samp_rate):
-        self.samp_rate = samp_rate
-        self.blocks_throttle_0.set_sample_rate(self.samp_rate)
-        self.qtgui_freq_sink_x_0.set_frequency_range(0, self.samp_rate)
-        self.qtgui_freq_sink_x_2_1.set_frequency_range(0, self.samp_rate)
-        self.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate)
-
-    def get_rrc_taps(self):
-        return self.rrc_taps
-
-    def set_rrc_taps(self, rrc_taps):
-        self.rrc_taps = rrc_taps
-        self.digital_pfb_clock_sync_xxx_0.update_taps(self.rrc_taps)
-        self.digital_pfb_clock_sync_xxx_0_0.update_taps(self.rrc_taps)
-
-    def get_phase_bw(self):
-        return self.phase_bw
-
-    def set_phase_bw(self, phase_bw):
-        self.phase_bw = phase_bw
-        self.digital_costas_loop_cc_0.set_loop_bandwidth(self.phase_bw)
-        self.digital_costas_loop_cc_0_0.set_loop_bandwidth(self.phase_bw)
-
-    def get_noise_volt(self):
-        return self.noise_volt
-
-    def set_noise_volt(self, noise_volt):
-        self.noise_volt = noise_volt
-        self.channels_channel_model_0.set_noise_voltage(self.noise_volt)
-
-    def get_freq_offset(self):
-        return self.freq_offset
-
-    def set_freq_offset(self, freq_offset):
-        self.freq_offset = freq_offset
-        self.channels_channel_model_0.set_frequency_offset(self.freq_offset)
-
-    def get_eq_ntaps(self):
-        return self.eq_ntaps
-
-    def set_eq_ntaps(self, eq_ntaps):
-        self.eq_ntaps = eq_ntaps
-
-    def get_eq_mod(self):
-        return self.eq_mod
-
-    def set_eq_mod(self, eq_mod):
-        self.eq_mod = eq_mod
-        self.digital_cma_equalizer_cc_0.set_modulus(self.eq_mod)
-        self.digital_cma_equalizer_cc_0_0.set_modulus(self.eq_mod)
-
-    def get_eq_gain(self):
-        return self.eq_gain
-
-    def set_eq_gain(self, eq_gain):
-        self.eq_gain = eq_gain
-        self.digital_cma_equalizer_cc_0.set_gain(self.eq_gain)
-        self.digital_cma_equalizer_cc_0_0.set_gain(self.eq_gain)
-
-    def get_const(self):
-        return self.const
-
-    def set_const(self, const):
-        self.const = const
-
-    def get_chn_taps(self):
-        return self.chn_taps
-
-    def set_chn_taps(self, chn_taps):
-        self.chn_taps = chn_taps
-        self.channels_channel_model_0.set_taps(self.chn_taps)
-
-def snipfcn_snippet_0(self):
-    import numpy as np
-
-
-def snippets_main_after_init(tb):
-    snipfcn_snippet_0(tb)
-
-
-
-
-def main(top_block_cls=qam_fading, 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()
-    snippets_main_after_init(tb)
-    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()