def test_iir_filter_ccf():
top = gr.top_block()
src = blocks.null_source(gr.sizeof_gr_complex)
iirfilter = filter.iir_filter_ccf([random.random() for _ in range(5)], [random.random() for _ in range(3)])
probe = blocks.probe_rate(gr.sizeof_gr_complex)
top.connect(src, iirfilter, probe)
return top, probe
def test_iir_filter_ccf():
top = gr.top_block()
src = blocks.null_source(gr.sizeof_gr_complex)
iirfilter = filter.iir_filter_ccf([random.random() for _ in range(5)], [random.random() for _ in range(3)])
probe = blocks.probe_rate(gr.sizeof_gr_complex)
top.connect(src, iirfilter, probe)
return top, probe
def test_iir_ccf_001(self):
src_data = (1+1j, 2+2j, 3+3j, 4+4j, 5+5j, 6+6j, 7+7j, 8+8j)
expected_result = (2+2j, (6+6j), (12+12j), (20+20j), (30+30j), (42+42j), (56+56j), (72+72j))
fftaps = (2,)
fbtaps = (0, 1)
src = blocks.vector_source_c(src_data)
op = filter.iir_filter_ccf(fftaps, fbtaps)
dst = blocks.vector_sink_c()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
result_data = dst.data()
self.assertFloatTuplesAlmostEqual (expected_result, result_data)
def test_iir_ccf_001(self):
src_data = (1 + 1j, 2 + 2j, 3 + 3j, 4 + 4j, 5 + 5j, 6 + 6j, 7 + 7j,
8 + 8j)
expected_result = (2 + 2j, (6 + 6j), (12 + 12j), (20 + 20j),
(30 + 30j), (42 + 42j), (56 + 56j), (72 + 72j))
fftaps = (2, )
fbtaps = (0, 1)
src = blocks.vector_source_c(src_data)
op = filter.iir_filter_ccf(fftaps, fbtaps)
dst = blocks.vector_sink_c()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
result_data = dst.data()
self.assertFloatTuplesAlmostEqual(expected_result, result_data)
def __init__(self):
gr.hier_block2.__init__(
self,
"6X Elliptic Filter",
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
)
##################################################
# Blocks
##################################################
self.iir_filter_xxx0 = filter.iir_filter_ccf(([
3.76858006213517e-05, 2.93811710614945e-05, 3.76858006213517e-05
]), ([1.0, -1.79522876160257, 0.813229971141868]), False)
self.iir_filter_xxx1 = filter.iir_filter_ccf(
([1.0, -1.08704401531644, 0.999999999996507]),
([1.0, -1.78339960365674, 0.852957700216366]), False)
self.iir_filter_xxx2 = filter.iir_filter_ccf(
([1.0, -1.51152106622327, 1.00000000036790]),
([1.0, -1.76822683354505, 0.904405728315075]), False)
self.iir_filter_xxx3 = filter.iir_filter_ccf(
([1.0, -1.64313258865777, 0.999999992638329]),
([1.0, -1.75642186862071, 0.945374195176692]), False)
self.iir_filter_xxx4 = filter.iir_filter_ccf(
([1.0, -1.69432470498216, 1.00000004497921]),
([1.0, -1.74970705512270, 0.971597331550094]), False)
self.iir_filter_xxx5 = filter.iir_filter_ccf(
([1.0, -1.71594192641499, 0.999999899667721]),
([1.0, -1.74736589887850, 0.986705438352939]), False)
self.iir_filter_xxx6 = filter.iir_filter_ccf(
([1.0, -1.72411137431316, 1.00000006235034]),
([1.0, -1.74896618676128, 0.996197116129337]), False)
##################################################
# Connections
##################################################
self.connect((self, 0), (self.iir_filter_xxx0, 0))
self.connect((self.iir_filter_xxx0, 0), (self.iir_filter_xxx1, 0))
self.connect((self.iir_filter_xxx1, 0), (self.iir_filter_xxx2, 0))
self.connect((self.iir_filter_xxx2, 0), (self.iir_filter_xxx3, 0))
self.connect((self.iir_filter_xxx3, 0), (self.iir_filter_xxx4, 0))
self.connect((self.iir_filter_xxx4, 0), (self.iir_filter_xxx5, 0))
self.connect((self.iir_filter_xxx5, 0), (self.iir_filter_xxx6, 0))
self.connect((self.iir_filter_xxx6, 0), (self, 0))
def test_iir_ccf_002(self):
src_data = (1 + 1j, 2 + 2j, 3 + 3j, 4 + 4j, 5 + 5j, 6 + 6j, 7 + 7j,
8 + 8j)
expected_result = (2 + 2j, (6 + 6j), (12 + 12j), (20 + 20j),
(30 + 30j), (42 + 42j), (56 + 56j), (72 + 72j))
src = blocks.vector_source_c(src_data)
op = filter.iir_filter_ccf([1], [1])
dst = blocks.vector_sink_c()
fftaps = (2, )
fbtaps = (0, 1)
# FIXME: implement set_taps as generalized callback
# op.set_taps(fftaps, fbtaps)
op.set_fftaps(fftaps)
op.set_fbtaps(fbtaps)
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
result_data = dst.data()
self.assertFloatTuplesAlmostEqual(expected_result, result_data)
def __init__(self):
gr.hier_block2.__init__(
self,
"Wiener Power Amplifier",
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
)
##################################################
# Blocks
##################################################
self.iir_filter_xxx_0 = filter.iir_filter_ccf(((1.0, 0.0, 0.3)),
((1.0, -0.2)), False)
self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0_0_0 = blocks.multiply_const_vcc(
(21.3936 + 0.4305j, ))
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vcc(
(-23.0954 + 4.9680j, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(
(14.974 + 0.0519j, ))
self.blocks_float_to_complex_0_0 = blocks.float_to_complex(1)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_complex_to_mag_squared_0_0 = blocks.complex_to_mag_squared(
1)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_const_source_x_0_0 = analog.sig_source_f(
0, analog.GR_CONST_WAVE, 0, 0, 0)
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.analog_const_source_x_0_0, 0),
(self.blocks_float_to_complex_0_0, 1))
self.connect((self.blocks_add_xx_0, 0), (self, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0_0, 0),
(self.blocks_float_to_complex_0_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_float_to_complex_0_0, 0),
(self.blocks_multiply_xx_0_0, 1))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.blocks_multiply_const_vxx_0_0_0, 0),
(self.blocks_add_xx_0, 2))
self.connect((self.blocks_multiply_xx_0, 0),
(self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.blocks_multiply_xx_0_0, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.blocks_multiply_const_vxx_0_0_0, 0))
self.connect((self.iir_filter_xxx_0, 0),
(self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.iir_filter_xxx_0, 0),
(self.blocks_complex_to_mag_squared_0_0, 0))
self.connect((self.iir_filter_xxx_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.iir_filter_xxx_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self, 0), (self.iir_filter_xxx_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="FM Stereo Receiver")
##################################################
# Variables
##################################################
self.smux_filt_samprate = smux_filt_samprate = 256e3
self.smux_decim = smux_decim = 8
self.samp_rate = samp_rate = 2.048e6
self.right_gain = right_gain = 3
self.left_gain = left_gain = 3
self.bpf_base = bpf_base = 23e3
self.RF_Gain = RF_Gain = 45
self.CF = CF = 99.3e6
##################################################
# Blocks
##################################################
self._samp_rate_text_box = forms.text_box(
parent=self.GetWin(),
value=self.samp_rate,
callback=self.set_samp_rate,
label="Sample Rate: 1.024M, 1.4M, 1.8M, 1.92M, 2.048M, 2.4M & 2. 56M",
converter=forms.float_converter(),
)
self.GridAdd(self._samp_rate_text_box, 1, 0, 1, 1)
_right_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._right_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_right_gain_sizer,
value=self.right_gain,
callback=self.set_right_gain,
label="R Audio Gain",
converter=forms.float_converter(),
proportion=0,
)
self._right_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_right_gain_sizer,
value=self.right_gain,
callback=self.set_right_gain,
minimum=0,
maximum=5,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_right_gain_sizer, 0, 1, 1, 1)
self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "BB Spectrum")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "Demod Spectrum")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "Stereo Spectrum")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "Stereo Signal")
self.GridAdd(self.notebook_0, 2, 0, 1, 2)
_left_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._left_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_left_gain_sizer,
value=self.left_gain,
callback=self.set_left_gain,
label="L Audio Gain",
converter=forms.float_converter(),
proportion=0,
)
self._left_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_left_gain_sizer,
value=self.left_gain,
callback=self.set_left_gain,
minimum=0,
maximum=5,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_left_gain_sizer, 0, 0, 1, 1)
_RF_Gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._RF_Gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_RF_Gain_sizer,
value=self.RF_Gain,
callback=self.set_RF_Gain,
label="RF Gain",
converter=forms.float_converter(),
proportion=0,
)
self._RF_Gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_RF_Gain_sizer,
value=self.RF_Gain,
callback=self.set_RF_Gain,
minimum=0,
maximum=100,
num_steps=45,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_RF_Gain_sizer, 1, 1, 1, 1)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.notebook_0.GetPage(0).GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Baseband Waterfall",
size=(800,100),
)
self.notebook_0.GetPage(0).GridAdd(self.wxgui_waterfallsink2_0.win, 3, 0, 1, 2)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.notebook_0.GetPage(3).GetWin(),
title="Scope Plot",
sample_rate=32e3,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=2,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
size=(800,500),
)
self.notebook_0.GetPage(3).Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0_1 = fftsink2.fft_sink_f(
self.notebook_0.GetPage(2).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=32e3,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="Difference FFT ",
peak_hold=False,
)
self.notebook_0.GetPage(2).Add(self.wxgui_fftsink2_0_1.win)
self.wxgui_fftsink2_0_0_0 = fftsink2.fft_sink_f(
self.notebook_0.GetPage(1).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate/8,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="Demodulated FFT",
peak_hold=False,
size=(800,800),
)
self.notebook_0.GetPage(1).Add(self.wxgui_fftsink2_0_0_0.win)
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
self.notebook_0.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="Baseband FFT",
peak_hold=False,
size=(800,100),
)
self.notebook_0.GetPage(0).GridAdd(self.wxgui_fftsink2_0_0.win, 2, 0, 1, 2)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_f(
self.notebook_0.GetPage(2).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=32e3,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="Sum FFT",
peak_hold=False,
)
self.notebook_0.GetPage(2).Add(self.wxgui_fftsink2_0.win)
self.rfgain = blocks.multiply_const_vcc((RF_Gain, ))
self.low_pass_filter_1_0 = filter.fir_filter_fff(smux_decim, firdes.low_pass(
1, smux_filt_samprate, 15e3, 500, firdes.WIN_HAMMING, 1))
self.low_pass_filter_0 = filter.fir_filter_ccf(2, firdes.low_pass(
2, samp_rate/4, 100e3, 500, firdes.WIN_KAISER, 6.76))
self.iir_filter_xxx_0 = filter.iir_filter_ccf((-0.00266, 0.00504, -0.00309, -0.00136, 0.00663, -0.01052, 0.01103, -0.00731, 0.00016, 0.00800, -0.01396, 0.01490, -0.00971, -0.00035, 0.01173, -0.01979, 0.02054, -0.01240, -0.00273, 0.01960, -0.03122, 0.03124, -0.01669, -0.01017, 0.04137, -0.06448, 0.06476, -0.02634, -0.07449, 0.33571, -0.00000, -0.33571, 0.07449, 0.02634, -0.06476, 0.06448, -0.04137, 0.01017, 0.01669, -0.03124, 0.03122, -0.01960, 0.00273, 0.01240, -0.02054, 0.01979, -0.01173, 0.00035, 0.00971, -0.01490, 0.01396, -0.00800, -0.00016, 0.00731, -0.01103, 0.01052, -0.00663, 0.00136, 0.00309, -0.00504, 0.00266
), (1 , ), False)
self.fir_filter_xxx_0_0 = filter.fir_filter_ccf(4, (1,1,1,1))
self.fir_filter_xxx_0_0.declare_sample_delay(0)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_multiply_xx_1_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((right_gain, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((left_gain, ))
self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(1)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_file_source_0_0 = blocks.file_source(gr.sizeof_gr_complex*1, "/Users/bretttt/iCloud_drive/16S/engs110/project/radio_dat/IQ_Data_STEREO1", True)
self.blocks_divide_xx_1 = blocks.divide_cc(1)
self.blocks_delay_2 = blocks.delay(gr.sizeof_gr_complex*1, 30)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
self.blocks_complex_to_imag_0 = blocks.complex_to_imag(1)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.blocks_add_const_vxx_0 = blocks.add_const_vcc((0.1, ))
self.baseband_LPF = filter.fir_filter_fff(smux_decim, firdes.low_pass(
1, smux_filt_samprate, 15e3, 500, firdes.WIN_KAISER, 6.76))
self.band_pass_filter_0_0_0 = filter.fir_filter_fcc(1, firdes.complex_band_pass(
1, smux_filt_samprate, 18000, 20000, 1000, firdes.WIN_KAISER, 1))
self.band_pass_filter_0 = filter.fir_filter_fff(1, firdes.band_pass(
1, smux_filt_samprate, bpf_base, bpf_base+30e3, 500, firdes.WIN_KAISER, 6.76))
self.audio_sink_0_0_0_0 = audio.sink(32000, "", True)
self.analog_pll_refout_cc_0_0 = analog.pll_refout_cc(3.14/100, 0.152*3.14, 0.144*3.14)
self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=samp_rate/8, tau=75e-6)
self.analog_fm_deemph_0 = analog.fm_deemph(fs=samp_rate/8, tau=75e-6)
self.analog_const_source_x_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, 0)
_CF_sizer = wx.BoxSizer(wx.VERTICAL)
self._CF_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_CF_sizer,
value=self.CF,
callback=self.set_CF,
label="Center Frequency",
converter=forms.float_converter(),
proportion=0,
)
self._CF_slider = forms.slider(
parent=self.GetWin(),
sizer=_CF_sizer,
value=self.CF,
callback=self.set_CF,
minimum=80e6,
maximum=108e6,
num_steps=280,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_CF_sizer, 3, 0, 1, 2)
##################################################
# Connections
##################################################
self.connect((self.analog_const_source_x_0, 0), (self.blocks_float_to_complex_0, 1))
self.connect((self.analog_fm_deemph_0, 0), (self.audio_sink_0_0_0_0, 0))
self.connect((self.analog_fm_deemph_0_0, 0), (self.audio_sink_0_0_0_0, 1))
self.connect((self.analog_pll_refout_cc_0_0, 0), (self.blocks_multiply_xx_1_0, 0))
self.connect((self.analog_pll_refout_cc_0_0, 0), (self.blocks_multiply_xx_1_0, 1))
self.connect((self.band_pass_filter_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.band_pass_filter_0_0_0, 0), (self.analog_pll_refout_cc_0_0, 0))
self.connect((self.baseband_LPF, 0), (self.blocks_add_xx_0, 0))
self.connect((self.baseband_LPF, 0), (self.blocks_sub_xx_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_divide_xx_1, 1))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_complex_to_imag_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.blocks_complex_to_imag_0, 0), (self.band_pass_filter_0_0_0, 0))
self.connect((self.blocks_complex_to_imag_0, 0), (self.baseband_LPF, 0))
self.connect((self.blocks_complex_to_imag_0, 0), (self.wxgui_fftsink2_0_0_0, 0))
self.connect((self.blocks_complex_to_mag_0, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_delay_2, 0), (self.blocks_multiply_conjugate_cc_0, 1))
self.connect((self.blocks_divide_xx_1, 0), (self.blocks_delay_2, 0))
self.connect((self.blocks_divide_xx_1, 0), (self.iir_filter_xxx_0, 0))
self.connect((self.blocks_file_source_0_0, 0), (self.rfgain, 0))
self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.blocks_complex_to_imag_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.analog_fm_deemph_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.analog_fm_deemph_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.wxgui_fftsink2_0_1, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.wxgui_scopesink2_0, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_1_0, 0))
self.connect((self.blocks_multiply_xx_1_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.blocks_sub_xx_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.fir_filter_xxx_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.fir_filter_xxx_0_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.iir_filter_xxx_0, 0), (self.blocks_multiply_conjugate_cc_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.blocks_complex_to_mag_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.blocks_divide_xx_1, 0))
self.connect((self.low_pass_filter_1_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.low_pass_filter_1_0, 0), (self.blocks_sub_xx_0, 1))
self.connect((self.rfgain, 0), (self.blocks_throttle_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Lab 6 Task 1")
Qt.QWidget.__init__(self)
self.setWindowTitle("Lab 6 Task 1")
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", "lab6_task1")
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.ntaps = ntaps = 11*nfilts*sps
self.tx_taps = tx_taps = firdes.root_raised_cosine(nfilts,nfilts,1.0,0.4,ntaps)
self.timing_bw = timing_bw = 2*pi/100
self.samp_rate = samp_rate = 32000
self.rx_taps = rx_taps = firdes.root_raised_cosine(nfilts,nfilts*sps,1.0,0.4,ntaps)
##################################################
# 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, 'Before Multipath')
self.tab_widget_1 = Qt.QWidget()
self.tab_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab_widget_1)
self.tab_grid_layout_1 = Qt.QGridLayout()
self.tab_layout_1.addLayout(self.tab_grid_layout_1)
self.tab.addTab(self.tab_widget_1, 'After Multipath')
self.top_grid_layout.addWidget(self.tab)
self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #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 = ['', '', '', '', '',
'', '', '', '', '']
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(1):
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.tab_layout_1.addWidget(self._qtgui_const_sink_x_0_0_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #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 = ['', '', '', '', '',
'', '', '', '', '']
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(1):
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.tab_layout_0.addWidget(self._qtgui_const_sink_x_0_win)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
sps,
taps=tx_taps,
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.iir_filter_xxx_0 = filter.iir_filter_ccf([1, 1], [1], True)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(8, timing_bw, rx_taps, 32, 16, 1.5, 1)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(((-0.707-0.707j),(-1-0j),(-0.707+0.707j),(0+1j),(0.707+0.707j),(1+0j),(0.707-0.707j),(0-1j)), 1)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 8, 1000))), True)
##################################################
# Connections
##################################################
self.connect((self.analog_random_source_x_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.qtgui_const_sink_x_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.iir_filter_xxx_0, 0))
self.connect((self.iir_filter_xxx_0, 0), (self.blocks_throttle_0_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="FM Stereo Receiver")
##################################################
# Variables
##################################################
self.smux_filt_samprate = smux_filt_samprate = 256e3
self.smux_decim = smux_decim = 8
self.samp_rate = samp_rate = 2.048e6
self.right_gain = right_gain = 3
self.left_gain = left_gain = 3
self.bpf_base = bpf_base = 23e3
self.RF_Gain = RF_Gain = 45
self.CF = CF = 99.3e6
##################################################
# Blocks
##################################################
self._samp_rate_text_box = forms.text_box(
parent=self.GetWin(),
value=self.samp_rate,
callback=self.set_samp_rate,
label=
"Sample Rate: 1.024M, 1.4M, 1.8M, 1.92M, 2.048M, 2.4M & 2. 56M",
converter=forms.float_converter(),
)
self.GridAdd(self._samp_rate_text_box, 1, 0, 1, 1)
_right_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._right_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_right_gain_sizer,
value=self.right_gain,
callback=self.set_right_gain,
label="R Audio Gain",
converter=forms.float_converter(),
proportion=0,
)
self._right_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_right_gain_sizer,
value=self.right_gain,
callback=self.set_right_gain,
minimum=0,
maximum=5,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_right_gain_sizer, 0, 1, 1, 1)
self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(),
style=wx.NB_TOP)
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0),
"BB Spectrum")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0),
"Demod Spectrum")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0),
"Stereo Spectrum")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0),
"Stereo Signal")
self.GridAdd(self.notebook_0, 2, 0, 1, 2)
_left_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._left_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_left_gain_sizer,
value=self.left_gain,
callback=self.set_left_gain,
label="L Audio Gain",
converter=forms.float_converter(),
proportion=0,
)
self._left_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_left_gain_sizer,
value=self.left_gain,
callback=self.set_left_gain,
minimum=0,
maximum=5,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_left_gain_sizer, 0, 0, 1, 1)
_RF_Gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._RF_Gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_RF_Gain_sizer,
value=self.RF_Gain,
callback=self.set_RF_Gain,
label="RF Gain",
converter=forms.float_converter(),
proportion=0,
)
self._RF_Gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_RF_Gain_sizer,
value=self.RF_Gain,
callback=self.set_RF_Gain,
minimum=0,
maximum=100,
num_steps=45,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_RF_Gain_sizer, 1, 1, 1, 1)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.notebook_0.GetPage(0).GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Baseband Waterfall",
size=(800, 100),
)
self.notebook_0.GetPage(0).GridAdd(self.wxgui_waterfallsink2_0.win, 3,
0, 1, 2)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.notebook_0.GetPage(3).GetWin(),
title="Scope Plot",
sample_rate=32e3,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=2,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
size=(800, 500),
)
self.notebook_0.GetPage(3).Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0_1 = fftsink2.fft_sink_f(
self.notebook_0.GetPage(2).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=32e3,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="Difference FFT ",
peak_hold=False,
)
self.notebook_0.GetPage(2).Add(self.wxgui_fftsink2_0_1.win)
self.wxgui_fftsink2_0_0_0 = fftsink2.fft_sink_f(
self.notebook_0.GetPage(1).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate / 8,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="Demodulated FFT",
peak_hold=False,
size=(800, 800),
)
self.notebook_0.GetPage(1).Add(self.wxgui_fftsink2_0_0_0.win)
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
self.notebook_0.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="Baseband FFT",
peak_hold=False,
size=(800, 100),
)
self.notebook_0.GetPage(0).GridAdd(self.wxgui_fftsink2_0_0.win, 2, 0,
1, 2)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_f(
self.notebook_0.GetPage(2).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=32e3,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="Sum FFT",
peak_hold=False,
)
self.notebook_0.GetPage(2).Add(self.wxgui_fftsink2_0.win)
self.rfgain = blocks.multiply_const_vcc((RF_Gain, ))
self.low_pass_filter_1_0 = filter.fir_filter_fff(
smux_decim,
firdes.low_pass(1, smux_filt_samprate, 15e3, 500,
firdes.WIN_HAMMING, 1))
self.low_pass_filter_0 = filter.fir_filter_ccf(
2,
firdes.low_pass(2, samp_rate / 4, 100e3, 500, firdes.WIN_KAISER,
6.76))
self.iir_filter_xxx_0 = filter.iir_filter_ccf(
(-0.00266, 0.00504, -0.00309, -0.00136, 0.00663, -0.01052, 0.01103,
-0.00731, 0.00016, 0.00800, -0.01396, 0.01490, -0.00971, -0.00035,
0.01173, -0.01979, 0.02054, -0.01240, -0.00273, 0.01960, -0.03122,
0.03124, -0.01669, -0.01017, 0.04137, -0.06448, 0.06476, -0.02634,
-0.07449, 0.33571, -0.00000, -0.33571, 0.07449, 0.02634, -0.06476,
0.06448, -0.04137, 0.01017, 0.01669, -0.03124, 0.03122, -0.01960,
0.00273, 0.01240, -0.02054, 0.01979, -0.01173, 0.00035, 0.00971,
-0.01490, 0.01396, -0.00800, -0.00016, 0.00731, -0.01103, 0.01052,
-0.00663, 0.00136, 0.00309, -0.00504, 0.00266), (1, ), False)
self.fir_filter_xxx_0_0 = filter.fir_filter_ccf(4, (1, 1, 1, 1))
self.fir_filter_xxx_0_0.declare_sample_delay(0)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_multiply_xx_1_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff(
(right_gain, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(left_gain, ))
self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(1)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_file_source_0_0 = blocks.file_source(
gr.sizeof_gr_complex * 1,
"/Users/bretttt/iCloud_drive/16S/engs110/project/radio_dat/IQ_Data_STEREO1",
True)
self.blocks_divide_xx_1 = blocks.divide_cc(1)
self.blocks_delay_2 = blocks.delay(gr.sizeof_gr_complex * 1, 30)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
self.blocks_complex_to_imag_0 = blocks.complex_to_imag(1)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.blocks_add_const_vxx_0 = blocks.add_const_vcc((0.1, ))
self.baseband_LPF = filter.fir_filter_fff(
smux_decim,
firdes.low_pass(1, smux_filt_samprate, 15e3, 500,
firdes.WIN_KAISER, 6.76))
self.band_pass_filter_0_0_0 = filter.fir_filter_fcc(
1,
firdes.complex_band_pass(1, smux_filt_samprate, 18000, 20000, 1000,
firdes.WIN_KAISER, 1))
self.band_pass_filter_0 = filter.fir_filter_fff(
1,
firdes.band_pass(1, smux_filt_samprate, bpf_base, bpf_base + 30e3,
500, firdes.WIN_KAISER, 6.76))
self.audio_sink_0_0_0_0 = audio.sink(32000, "", True)
self.analog_pll_refout_cc_0_0 = analog.pll_refout_cc(
3.14 / 100, 0.152 * 3.14, 0.144 * 3.14)
self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=samp_rate / 8,
tau=75e-6)
self.analog_fm_deemph_0 = analog.fm_deemph(fs=samp_rate / 8, tau=75e-6)
self.analog_const_source_x_0 = analog.sig_source_f(
0, analog.GR_CONST_WAVE, 0, 0, 0)
_CF_sizer = wx.BoxSizer(wx.VERTICAL)
self._CF_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_CF_sizer,
value=self.CF,
callback=self.set_CF,
label="Center Frequency",
converter=forms.float_converter(),
proportion=0,
)
self._CF_slider = forms.slider(
parent=self.GetWin(),
sizer=_CF_sizer,
value=self.CF,
callback=self.set_CF,
minimum=80e6,
maximum=108e6,
num_steps=280,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_CF_sizer, 3, 0, 1, 2)
##################################################
# Connections
##################################################
self.connect((self.analog_const_source_x_0, 0),
(self.blocks_float_to_complex_0, 1))
self.connect((self.analog_fm_deemph_0, 0),
(self.audio_sink_0_0_0_0, 0))
self.connect((self.analog_fm_deemph_0_0, 0),
(self.audio_sink_0_0_0_0, 1))
self.connect((self.analog_pll_refout_cc_0_0, 0),
(self.blocks_multiply_xx_1_0, 0))
self.connect((self.analog_pll_refout_cc_0_0, 0),
(self.blocks_multiply_xx_1_0, 1))
self.connect((self.band_pass_filter_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.band_pass_filter_0_0_0, 0),
(self.analog_pll_refout_cc_0_0, 0))
self.connect((self.baseband_LPF, 0), (self.blocks_add_xx_0, 0))
self.connect((self.baseband_LPF, 0), (self.blocks_sub_xx_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.blocks_divide_xx_1, 1))
self.connect((self.blocks_add_xx_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_complex_to_imag_0, 0),
(self.band_pass_filter_0, 0))
self.connect((self.blocks_complex_to_imag_0, 0),
(self.band_pass_filter_0_0_0, 0))
self.connect((self.blocks_complex_to_imag_0, 0),
(self.baseband_LPF, 0))
self.connect((self.blocks_complex_to_imag_0, 0),
(self.wxgui_fftsink2_0_0_0, 0))
self.connect((self.blocks_complex_to_mag_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_complex_to_real_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_delay_2, 0),
(self.blocks_multiply_conjugate_cc_0, 1))
self.connect((self.blocks_divide_xx_1, 0), (self.blocks_delay_2, 0))
self.connect((self.blocks_divide_xx_1, 0), (self.iir_filter_xxx_0, 0))
self.connect((self.blocks_file_source_0_0, 0), (self.rfgain, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_multiply_conjugate_cc_0, 0),
(self.blocks_complex_to_imag_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.analog_fm_deemph_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.wxgui_fftsink2_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.wxgui_scopesink2_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0),
(self.analog_fm_deemph_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0),
(self.wxgui_fftsink2_0_1, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0),
(self.wxgui_scopesink2_0, 1))
self.connect((self.blocks_multiply_xx_0, 0),
(self.low_pass_filter_1_0, 0))
self.connect((self.blocks_multiply_xx_1_0, 0),
(self.blocks_complex_to_real_0, 0))
self.connect((self.blocks_sub_xx_0, 0),
(self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.fir_filter_xxx_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.wxgui_waterfallsink2_0, 0))
self.connect((self.fir_filter_xxx_0_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.iir_filter_xxx_0, 0),
(self.blocks_multiply_conjugate_cc_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.blocks_complex_to_mag_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.blocks_divide_xx_1, 0))
self.connect((self.low_pass_filter_1_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.low_pass_filter_1_0, 0), (self.blocks_sub_xx_0, 1))
self.connect((self.rfgain, 0), (self.blocks_throttle_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Lab 6 Task 2")
Qt.QWidget.__init__(self)
self.setWindowTitle("Lab 6 Task 2")
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", "lab6_task2")
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.ntaps = ntaps = 11 * nfilts * sps
self.tx_taps = tx_taps = firdes.root_raised_cosine(
nfilts, nfilts, 1.0, 0.4, ntaps)
self.timing_bw = timing_bw = 2 * pi / 100
self.samp_rate = samp_rate = 32000
self.rx_taps = rx_taps = firdes.root_raised_cosine(
nfilts, nfilts * sps, 1.0, 0.4, ntaps)
self.gain = gain = 1
##################################################
# 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, 'Before Multipath, with noise')
self.tab_widget_1 = Qt.QWidget()
self.tab_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tab_widget_1)
self.tab_grid_layout_1 = Qt.QGridLayout()
self.tab_layout_1.addLayout(self.tab_grid_layout_1)
self.tab.addTab(self.tab_widget_1, 'After Multipath, with noise')
self.tab_widget_2 = Qt.QWidget()
self.tab_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tab_widget_2)
self.tab_grid_layout_2 = Qt.QGridLayout()
self.tab_layout_2.addLayout(self.tab_grid_layout_2)
self.tab.addTab(self.tab_widget_2, 'After Equalizer')
self.tab_widget_3 = Qt.QWidget()
self.tab_layout_3 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tab_widget_3)
self.tab_grid_layout_3 = Qt.QGridLayout()
self.tab_layout_3.addLayout(self.tab_grid_layout_3)
self.tab.addTab(self.tab_widget_3, 'Error')
self.top_grid_layout.addWidget(self.tab)
self._gain_range = Range(1, 10, 0.05, 1, 200)
self._gain_win = RangeWidget(self._gain_range, self.set_gain, 'gain',
"counter_slider", float)
self.top_grid_layout.addWidget(self._gain_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(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 = [
'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_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.tab_layout_3.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_const_sink_x_0_0_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0_0_0.set_update_time(0.10)
self.qtgui_const_sink_x_0_0_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0_0_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS,
0.0, 0, "")
self.qtgui_const_sink_x_0_0_0.enable_autoscale(False)
self.qtgui_const_sink_x_0_0_0.enable_grid(False)
self.qtgui_const_sink_x_0_0_0.enable_axis_labels(True)
labels = ['', '', '', '', '', '', '', '', '', '']
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(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0_0_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0_0_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0_0_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0_0_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0_0_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0_0_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_0_0_win = sip.wrapinstance(
self.qtgui_const_sink_x_0_0_0.pyqwidget(), Qt.QWidget)
self.tab_layout_2.addWidget(self._qtgui_const_sink_x_0_0_0_win)
self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #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 = ['', '', '', '', '', '', '', '', '', '']
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(1):
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.tab_layout_1.addWidget(self._qtgui_const_sink_x_0_0_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #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 = ['', '', '', '', '', '', '', '', '', '']
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(1):
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.tab_layout_0.addWidget(self._qtgui_const_sink_x_0_win)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(sps,
taps=tx_taps,
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.iir_filter_xxx_2 = filter.iir_filter_ffd([0.001], [1, 0.98], True)
self.iir_filter_xxx_0 = filter.iir_filter_ccf([1, 0.5], [1], True)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
8, timing_bw, rx_taps, 32, 16, 1.5, 1)
self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(
4, 1, gain, 8)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
((-0.707 - 0.707j), (-1 - 0j), (-0.707 + 0.707j), (0 + 1j),
(0.707 + 0.707j), (1 + 0j), (0.707 - 0.707j), (0 - 1j)), 1)
self.blocks_throttle_0_0_1 = blocks.throttle(gr.sizeof_float * 1,
samp_rate, True)
self.blocks_throttle_0_0_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.blocks_add_const_vxx_0 = blocks.add_const_ff(-1)
self.blocks_abs_xx_0 = blocks.abs_ff(1)
self.analog_random_source_x_0 = blocks.vector_source_b(
list(map(int, numpy.random.randint(0, 8, 1000))), True)
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN, 0.05, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.analog_random_source_x_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_abs_xx_0, 0), (self.iir_filter_xxx_2, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.blocks_abs_xx_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.iir_filter_xxx_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_throttle_0_0, 0),
(self.qtgui_const_sink_x_0_0, 0))
self.connect((self.blocks_throttle_0_0_0, 0),
(self.qtgui_const_sink_x_0_0_0, 0))
self.connect((self.blocks_throttle_0_0_1, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0),
(self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0),
(self.blocks_throttle_0_0_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.iir_filter_xxx_0, 0), (self.blocks_throttle_0_0, 0))
self.connect((self.iir_filter_xxx_0, 0),
(self.digital_cma_equalizer_cc_0, 0))
self.connect((self.iir_filter_xxx_2, 0),
(self.blocks_throttle_0_0_1, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
