for i in range(mpoints):
self.connect((self, i), (self.ss2v, i))
- self.connect(self.ss2v, self.ifft, self.v2ss, self)
+ self.connect(self.ss2v, self.ifft, self.v2ss)
# build mpoints fir filters...
for i in range(mpoints):
self.connect((self.v2ss, i), f)
self.connect(f, (self.ss2s, i))
-
+ self.connect(self.ss2s, self)
+
class analysis_filterbank(gr.hier_block2):
"""
Uniformly modulated polyphase DFT filter bank: analysis
fm_tx_2_daughterboards.py \
fm_tx4.py \
max_power.py \
+ test_dft_analysis.py \
+ test_dft_synth.py \
usrp_benchmark_usb.py \
usrp_nbfm_ptt.py \
usrp_nbfm_rcv.py \
+++ /dev/null
-#!/usr/bin/env python
-
-from gnuradio import gr, gru, blks
-from gnuradio.wxgui import stdgui, fftsink, slider
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-import wx
-
-class test_graph (stdgui.gui_flow_graph):
- def __init__(self, frame, panel, vbox, argv):
- stdgui.gui_flow_graph.__init__(self, frame, panel, vbox, argv)
-
- parser = OptionParser (option_class=eng_option)
- (options, args) = parser.parse_args ()
-
- sample_rate = 16e3
- mpoints = 4
- ampl = 1000
- freq = 0
-
- lo_freq = 1e6
- lo_ampl = 1
-
- vbox.Add(slider.slider(panel,
- -sample_rate/2, sample_rate/2,
- self.set_lo_freq), 0, wx.ALIGN_CENTER)
-
-
- src = gr.sig_source_c(sample_rate, gr.GR_CONST_WAVE,
- freq, ampl, 0)
-
- self.lo = gr.sig_source_c(sample_rate, gr.GR_SIN_WAVE,
- lo_freq, lo_ampl, 0)
-
- mixer = gr.multiply_cc()
- self.connect(src, (mixer, 0))
- self.connect(self.lo, (mixer, 1))
-
- # We add these throttle blocks so that this demo doesn't
- # suck down all the CPU available. Normally you wouldn't use these.
- thr = gr.throttle(gr.sizeof_gr_complex, sample_rate)
-
- taps = gr.firdes.low_pass(1, # gain
- 1, # rate
- 1.0/mpoints * 0.4, # cutoff
- 1.0/mpoints * 0.1, # trans width
- gr.firdes.WIN_HANN)
- print len(taps)
- analysis = blks.analysis_filterbank(self, mpoints, taps)
-
- self.connect(mixer, thr)
- self.connect(thr, analysis)
-
- for i in range(mpoints):
- fft = fftsink.fft_sink_c(self, frame, fft_size=128,
- sample_rate=sample_rate/mpoints,
- fft_rate=5,
- title="Ch %d" % (i,))
- self.connect((analysis, i), fft)
- vbox.Add(fft.win, 1, wx.EXPAND)
-
- def set_lo_freq(self, freq):
- self.lo.set_frequency(freq)
-
-
-
-def main ():
- app = stdgui.stdapp (test_graph, "Test DFT filterbank")
- app.MainLoop ()
-
-if __name__ == '__main__':
- main ()
+++ /dev/null
-#!/usr/bin/env python
-
-from gnuradio import gr, gru, blks
-from gnuradio.wxgui import stdgui, fftsink
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-import wx
-import random
-
-
-def make_random_complex_tuple(L, gain=1):
- result = []
- for x in range(L):
- result.append(gain * complex(random.gauss(0, 1),random.gauss(0, 1)))
-
- return tuple(result)
-
-def random_noise_c(gain=1):
- src = gr.vector_source_c(make_random_complex_tuple(32*1024, gain), True)
- return src
-
-
-class test_graph (stdgui.gui_flow_graph):
- def __init__(self, frame, panel, vbox, argv):
- stdgui.gui_flow_graph.__init__(self, frame, panel, vbox, argv)
-
- parser = OptionParser (option_class=eng_option)
- (options, args) = parser.parse_args ()
-
- sample_rate = 16e6
- mpoints = 16
- ampl = 1000
-
- enable = mpoints * [0]
- enable[0] = 1
-
- taps = gr.firdes.low_pass(1, # gain
- 1, # rate
- 1.0/mpoints * 0.4, # cutoff
- 1.0/mpoints * 0.1, # trans width
- gr.firdes.WIN_HANN)
-
- synth = blks.synthesis_filterbank(self, mpoints, taps)
-
- null_source = gr.null_source(gr.sizeof_gr_complex)
-
- if 0:
- for i in range(mpoints):
- s = gr.sig_source_c(sample_rate/mpoints, gr.GR_SIN_WAVE,
- 300e3, ampl * enable[i], 0)
- self.connect(s, (synth, i))
-
- else:
- for i in range(mpoints):
- if i == 0:
- s = gr.sig_source_c(sample_rate/mpoints, gr.GR_SIN_WAVE,
- 300e3, ampl * enable[i], 0)
- #s = random_noise_c(ampl)
- self.connect(s, (synth, i))
- else:
- self.connect(null_source, (synth, i))
-
-
- # We add these throttle blocks so that this demo doesn't
- # suck down all the CPU available. Normally you wouldn't use these.
- thr = gr.throttle(gr.sizeof_gr_complex, sample_rate)
- fft = fftsink.fft_sink_c(self, frame, fft_size=1024,
- sample_rate=sample_rate)
- vbox.Add(fft.win, 1, wx.EXPAND)
-
- self.connect(synth, thr, fft)
-
-
-def main ():
- app = stdgui.stdapp (test_graph, "Test DFT filterbank")
- app.MainLoop ()
-
-if __name__ == '__main__':
- main ()
--- /dev/null
+#!/usr/bin/env python
+
+from gnuradio import gr, gru, blks2
+from gnuradio.wxgui import stdgui2, fftsink2, slider
+from gnuradio.eng_option import eng_option
+from optparse import OptionParser
+import wx
+
+class test_graph (stdgui2.std_top_block):
+ def __init__(self, frame, panel, vbox, argv):
+ stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv)
+
+ parser = OptionParser (option_class=eng_option)
+ (options, args) = parser.parse_args ()
+
+ sample_rate = 16e3
+ mpoints = 4
+ ampl = 1000
+ freq = 0
+
+ lo_freq = 1e6
+ lo_ampl = 1
+
+ vbox.Add(slider.slider(panel,
+ -sample_rate/2, sample_rate/2,
+ self.set_lo_freq), 0, wx.ALIGN_CENTER)
+
+
+ src = gr.sig_source_c(sample_rate, gr.GR_CONST_WAVE,
+ freq, ampl, 0)
+
+ self.lo = gr.sig_source_c(sample_rate, gr.GR_SIN_WAVE,
+ lo_freq, lo_ampl, 0)
+
+ mixer = gr.multiply_cc()
+ self.connect(src, (mixer, 0))
+ self.connect(self.lo, (mixer, 1))
+
+ # We add these throttle blocks so that this demo doesn't
+ # suck down all the CPU available. Normally you wouldn't use these.
+ thr = gr.throttle(gr.sizeof_gr_complex, sample_rate)
+
+ taps = gr.firdes.low_pass(1, # gain
+ 1, # rate
+ 1.0/mpoints * 0.4, # cutoff
+ 1.0/mpoints * 0.1, # trans width
+ gr.firdes.WIN_HANN)
+ print len(taps)
+ analysis = blks2.analysis_filterbank(mpoints, taps)
+
+ self.connect(mixer, thr)
+ self.connect(thr, analysis)
+
+ for i in range(mpoints):
+ fft = fftsink2.fft_sink_c(frame, fft_size=128,
+ sample_rate=sample_rate/mpoints,
+ fft_rate=5,
+ title="Ch %d" % (i,))
+ self.connect((analysis, i), fft)
+ vbox.Add(fft.win, 1, wx.EXPAND)
+
+ def set_lo_freq(self, freq):
+ self.lo.set_frequency(freq)
+
+
+
+def main ():
+ app = stdgui2.stdapp (test_graph, "Test DFT filterbank")
+ app.MainLoop ()
+
+if __name__ == '__main__':
+ main ()
--- /dev/null
+#!/usr/bin/env python
+
+from gnuradio import gr, gru, blks2
+from gnuradio.wxgui import stdgui2, fftsink2
+from gnuradio.eng_option import eng_option
+from optparse import OptionParser
+import wx
+import random
+
+
+def make_random_complex_tuple(L, gain=1):
+ result = []
+ for x in range(L):
+ result.append(gain * complex(random.gauss(0, 1),random.gauss(0, 1)))
+
+ return tuple(result)
+
+def random_noise_c(gain=1):
+ src = gr.vector_source_c(make_random_complex_tuple(32*1024, gain), True)
+ return src
+
+
+class test_graph (stdgui2.std_top_block):
+ def __init__(self, frame, panel, vbox, argv):
+ stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv)
+
+ parser = OptionParser (option_class=eng_option)
+ (options, args) = parser.parse_args ()
+
+ sample_rate = 16e6
+ mpoints = 16
+ ampl = 1000
+
+ enable = mpoints/2 * [1, 0]
+ enable[0] = 1
+
+ taps = gr.firdes.low_pass(1, # gain
+ 1, # rate
+ 1.0/mpoints * 0.4, # cutoff
+ 1.0/mpoints * 0.1, # trans width
+ gr.firdes.WIN_HANN)
+
+ synth = blks2.synthesis_filterbank(mpoints, taps)
+
+ null_source = gr.null_source(gr.sizeof_gr_complex)
+
+ if 1:
+ for i in range(mpoints):
+ s = gr.sig_source_c(sample_rate/mpoints, gr.GR_SIN_WAVE,
+ 300e3, ampl * enable[i], 0)
+ self.connect(s, (synth, i))
+
+ else:
+ for i in range(mpoints):
+ if i == 1:
+ #s = gr.sig_source_c(sample_rate/mpoints, gr.GR_SIN_WAVE,
+ # 300e3, ampl * enable[i], 0)
+ s = random_noise_c(ampl)
+ self.connect(s, (synth, i))
+ else:
+ self.connect(null_source, (synth, i))
+
+
+ # We add these throttle blocks so that this demo doesn't
+ # suck down all the CPU available. Normally you wouldn't use these.
+ thr = gr.throttle(gr.sizeof_gr_complex, sample_rate)
+ fft = fftsink2.fft_sink_c(frame, fft_size=1024,sample_rate=sample_rate)
+ vbox.Add(fft.win, 1, wx.EXPAND)
+
+ self.connect(synth, thr, fft)
+
+
+def main ():
+ app = stdgui2.stdapp (test_graph, "Test DFT filterbank")
+ app.MainLoop ()
+
+if __name__ == '__main__':
+ main ()