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authorTom Rondeau <trondeau@vt.edu>2012-10-30 13:30:01 -0400
committerTom Rondeau <trondeau@vt.edu>2012-10-30 13:30:01 -0400
commit11cd6d2dc3e6b3b40474a5a4495d814a7688fe0a (patch)
tree553a61570035a1a1af0bab7397f0f2053c240f3b /gr-analog/python
parent440739593a0648f40ddaf4e6d4cd898495a9c856 (diff)
analog: added PLL blocks to gr-analog with QA and GRC.
Diffstat (limited to 'gr-analog/python')
-rwxr-xr-xgr-analog/python/qa_pll_carriertracking.py157
-rwxr-xr-xgr-analog/python/qa_pll_freqdet.py161
-rwxr-xr-xgr-analog/python/qa_pll_refout.py157
3 files changed, 475 insertions, 0 deletions
diff --git a/gr-analog/python/qa_pll_carriertracking.py b/gr-analog/python/qa_pll_carriertracking.py
new file mode 100755
index 0000000000..a292059d1b
--- /dev/null
+++ b/gr-analog/python/qa_pll_carriertracking.py
@@ -0,0 +1,157 @@
+#!/usr/bin/env python
+#
+# Copyright 2004,2007,2010-2012 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from gnuradio import gr, gr_unittest
+import analog_swig as analog
+import math
+
+class test_pll_carriertracking(gr_unittest.TestCase):
+
+ def setUp (self):
+ self.tb = gr.top_block()
+
+ def tearDown (self):
+ self.tb = None
+
+ def test_pll_carriertracking(self):
+ expected_result = ((1.00000238419+7.21919457547e-09j),
+ (0.998025715351+0.062790453434j),
+ (0.992777824402+0.119947694242j),
+ (0.985192835331+0.171441286802j),
+ (0.976061582565+0.217501848936j),
+ (0.966034710407+0.258409559727j),
+ (0.95565611124+0.294477283955j),
+ (0.945357382298+0.326030552387j),
+ (0.935475051403+0.353395611048j),
+ (0.926258146763+0.376889169216j),
+ (0.917895197868+0.39681750536j),
+ (0.910515546799+0.413470208645j),
+ (0.904196679592+0.427117019892j),
+ (0.898972511292+0.438006043434j),
+ (0.894769787788+0.446523308754j),
+ (0.891652584076+0.452715367079j),
+ (0.8895829916+0.456773489714j),
+ (0.888502895832+0.458873122931j),
+ (0.888343691826+0.459175437689j),
+ (0.889035582542+0.457833081484j),
+ (0.890497922897+0.454985737801j),
+ (0.892645597458+0.450762689114j),
+ (0.895388305187+0.445282936096j),
+ (0.898648142815+0.438664674759j),
+ (0.902342617512+0.431016951799j),
+ (0.906392872334+0.422441422939j),
+ (0.910642921925+0.413191765547j),
+ (0.915039420128+0.403358519077j),
+ (0.919594764709+0.392864197493j),
+ (0.92425006628+0.381792247295j),
+ (0.928944349289+0.370217680931j),
+ (0.933634519577+0.358220815659j),
+ (0.938279032707+0.345874190331j),
+ (0.942840516567+0.333247303963j),
+ (0.947280526161+0.32040438056j),
+ (0.951574921608+0.307409763336j),
+ (0.955703914165+0.294323593378j),
+ (0.959648966789+0.281201630831j),
+ (0.963392794132+0.268095195293j),
+ (0.966880619526+0.255221515894j),
+ (0.970162451267+0.242447137833j),
+ (0.973235487938+0.229809194803j),
+ (0.97609680891+0.217341512442j),
+ (0.978744983673+0.20507311821j),
+ (0.981189727783+0.193033605814j),
+ (0.983436584473+0.181248426437j),
+ (0.985490739346+0.169738590717j),
+ (0.987353682518+0.158523857594j),
+ (0.989041447639+0.147622272372j),
+ (0.990563035011+0.137049794197j),
+ (0.991928339005+0.126818582416j),
+ (0.993117690086+0.117111675441j),
+ (0.994156062603+0.107930034399j),
+ (0.995076179504+0.0990980416536j),
+ (0.995887458324+0.0906178802252j),
+ (0.996591091156+0.0824909061193j),
+ (0.997202515602+0.0747182965279j),
+ (0.997730851173+0.0672992765903j),
+ (0.998185396194+0.0602316558361j),
+ (0.99856698513+0.0535135567188j),
+ (0.998885989189+0.0471420884132j),
+ (0.99915266037+0.0411129891872j),
+ (0.999372899532+0.0354214012623j),
+ (0.999548316002+0.0300626158714j),
+ (0.999680638313+0.0252036750317j),
+ (0.999784469604+0.020652115345j),
+ (0.999865531921+0.0163950324059j),
+ (0.999923825264+0.0124222636223j),
+ (0.999960243702+0.00872156023979j),
+ (0.999983668327+0.00528120994568j),
+ (0.999997138977+0.00209015607834j),
+ (1.00000119209-0.00086285173893j),
+ (0.999992132187-0.00358882546425j),
+ (0.999979138374-0.00609711557627j),
+ (0.999963641167-0.00839691981673j),
+ (0.999947249889-0.0104993218556j),
+ (0.999924004078-0.0122378543019j),
+ (0.999904811382-0.0136305987835j),
+ (0.999888062477-0.0148707330227j),
+ (0.9998742342-0.0159679055214j),
+ (0.999856114388-0.0169314742088j),
+ (0.999839782715-0.0177700817585j),
+ (0.999826967716-0.0184917747974j),
+ (0.999818325043-0.0191045701504j),
+ (0.999807476997-0.0196143388748j),
+ (0.999797284603-0.0200265944004j),
+ (0.999791204929-0.0203481912613j),
+ (0.99978852272-0.0205836892128j),
+ (0.99978530407-0.0207380950451j),
+ (0.999785065651-0.0206423997879j),
+ (0.999787807465-0.0204866230488j),
+ (0.999794304371-0.0202808082104j),
+ (0.999800384045-0.0200312435627j),
+ (0.999803245068-0.0197458267212j),
+ (0.9998087883-0.0194311738014j),
+ (0.999816894531-0.0190933048725j),
+ (0.999825954437-0.0187371373177j),
+ (0.999829888344-0.0183679759502j),
+ (0.999835848808-0.017987690866j),
+ (0.999844014645-0.0176006518304j))
+
+ sampling_freq = 10e3
+ freq = sampling_freq / 100
+
+ loop_bw = math.pi/100.0
+ maxf = 1
+ minf = -1
+
+ src = gr.sig_source_c(sampling_freq, gr.GR_COS_WAVE, freq, 1.0)
+ pll = analog.pll_carriertracking_cc(loop_bw, maxf, minf)
+ head = gr.head(gr.sizeof_gr_complex, int (freq))
+ dst = gr.vector_sink_c()
+
+ self.tb.connect(src, pll, head)
+ self.tb.connect(head, dst)
+
+ self.tb.run()
+ dst_data = dst.data()
+ self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 5)
+
+if __name__ == '__main__':
+ gr_unittest.run(test_pll_carriertracking, "test_pll_carriertracking.xml")
diff --git a/gr-analog/python/qa_pll_freqdet.py b/gr-analog/python/qa_pll_freqdet.py
new file mode 100755
index 0000000000..1f808afa61
--- /dev/null
+++ b/gr-analog/python/qa_pll_freqdet.py
@@ -0,0 +1,161 @@
+#!/usr/bin/env python
+#
+# Copyright 2004,2007,2010-2012 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from gnuradio import gr, gr_unittest
+import analog_swig as analog
+import math
+
+class test_pll_freqdet(gr_unittest.TestCase):
+
+ def setUp (self):
+ self.tb = gr.top_block()
+
+ def tearDown (self):
+ self.tb = None
+
+ def test_pll_freqdet(self):
+ expected_result = (0.0,
+ 4.33888922882e-08,
+ 0.367369994515,
+ 1.08135249597,
+ 2.10983253908,
+ 3.42221529438,
+ 4.98940390402,
+ 6.78379190842,
+ 8.77923286024,
+ 10.9510106794,
+ 13.2758363182,
+ 15.7317829127,
+ 18.2982902299,
+ 20.9561068599,
+ 23.6755271122,
+ 26.452952094,
+ 29.2731265301,
+ 32.1219053479,
+ 34.9862418188,
+ 37.8540971414,
+ 40.7144315483,
+ 43.5571390869,
+ 46.3730179743,
+ 49.1537231663,
+ 51.8917218889,
+ 54.58026103,
+ 57.2015358514,
+ 59.7513664199,
+ 62.2380533124,
+ 64.657612252,
+ 67.006640002,
+ 69.2822432184,
+ 71.4820384499,
+ 73.6041047056,
+ 75.6469478817,
+ 77.6094829742,
+ 79.4909866472,
+ 81.2911031615,
+ 83.0097850853,
+ 84.6355598352,
+ 86.1820937186,
+ 87.6504420946,
+ 89.0418441206,
+ 90.3577286819,
+ 91.5996432431,
+ 92.7692775646,
+ 93.8684162704,
+ 94.8989269904,
+ 95.8627662892,
+ 96.7619381633,
+ 97.598505899,
+ 98.362769679,
+ 99.0579904444,
+ 99.6992633875,
+ 100.288805948,
+ 100.828805921,
+ 101.321421457,
+ 101.76878699,
+ 102.17300138,
+ 102.536116055,
+ 102.860158727,
+ 103.147085962,
+ 103.398830608,
+ 103.617254366,
+ 103.792467691,
+ 103.939387906,
+ 104.060030865,
+ 104.15631756,
+ 104.230085975,
+ 104.283067372,
+ 104.316933727,
+ 104.333238432,
+ 104.333440018,
+ 104.318914008,
+ 104.290941063,
+ 104.250742554,
+ 104.187634452,
+ 104.103822339,
+ 104.013227468,
+ 103.916810336,
+ 103.815448432,
+ 103.709936239,
+ 103.600997093,
+ 103.489283183,
+ 103.375351833,
+ 103.259712936,
+ 103.142828952,
+ 103.025091195,
+ 102.90686726,
+ 102.776726069,
+ 102.648078982,
+ 102.521459607,
+ 102.397294831,
+ 102.275999684,
+ 102.157882471,
+ 102.043215927,
+ 101.93218978,
+ 101.824958181,
+ 101.72159228,
+ 101.622151366)
+
+ sampling_freq = 10e3
+ freq = sampling_freq / 100
+
+ loop_bw = math.pi/100.0
+ maxf = 1
+ minf = -1
+
+ src = gr.sig_source_c(sampling_freq, gr.GR_COS_WAVE, freq, 1.0)
+ pll = analog.pll_freqdet_cf(loop_bw, maxf, minf)
+ head = gr.head(gr.sizeof_float, int (freq))
+ dst = gr.vector_sink_f()
+
+ self.tb.connect(src, pll, head)
+ self.tb.connect(head, dst)
+
+ self.tb.run()
+ dst_data = dst.data()
+
+ # convert it from normalized frequency to absolute frequency (Hz)
+ dst_data = [i*(sampling_freq/(2*math.pi)) for i in dst_data]
+
+ self.assertFloatTuplesAlmostEqual(expected_result, dst_data, 3)
+
+if __name__ == '__main__':
+ gr_unittest.run(test_pll_freqdet, "test_pll_freqdet.xml")
diff --git a/gr-analog/python/qa_pll_refout.py b/gr-analog/python/qa_pll_refout.py
new file mode 100755
index 0000000000..2831b2909d
--- /dev/null
+++ b/gr-analog/python/qa_pll_refout.py
@@ -0,0 +1,157 @@
+#!/usr/bin/env python
+#
+# Copyright 2004,2010,2012 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from gnuradio import gr, gr_unittest
+import analog_swig as analog
+import math
+
+class test_pll_refout(gr_unittest.TestCase):
+
+ def setUp(self):
+ self.tb = gr.top_block()
+
+ def tearDown(self):
+ self.tb = None
+
+ def test_pll_refout(self):
+ expected_result = ((1+0j),
+ (1+6.4087357643e-10j),
+ (0.999985277653+0.00542619498447j),
+ (0.999868750572+0.0162021834403j),
+ (0.99948567152+0.0320679470897j),
+ (0.99860727787+0.0527590736747j),
+ (0.996953129768+0.0780025869608j),
+ (0.994203746319+0.107512556016j),
+ (0.990011692047+0.140985429287j),
+ (0.984013140202+0.178095817566j),
+ (0.975838363171+0.218493551016j),
+ (0.965121984482+0.261800557375j),
+ (0.95151245594+0.307610183954j),
+ (0.934681296349+0.355486690998j),
+ (0.914401650429+0.404808044434j),
+ (0.890356600285+0.455263823271j),
+ (0.862329125404+0.506348133087j),
+ (0.830152392387+0.557536482811j),
+ (0.793714106083+0.608290970325j),
+ (0.752960026264+0.658066213131j),
+ (0.707896590233+0.706316053867j),
+ (0.658591926098+0.752500295639j),
+ (0.605175673962+0.796091973782j),
+ (0.547837555408+0.836584687233j),
+ (0.48682525754+0.873499393463j),
+ (0.42244040966+0.906390726566j),
+ (0.355197101831+0.934791445732j),
+ (0.285494059324+0.958380460739j),
+ (0.213591173291+0.976923108101j),
+ (0.139945343137+0.990159213543j),
+ (0.065038472414+0.997882783413j),
+ (-0.0106285437942+0.999943494797j),
+ (-0.0865436866879+0.996248066425j),
+ (-0.162189796567+0.986759603024j),
+ (-0.23705175519+0.971496999264j),
+ (-0.310622543097+0.950533330441j),
+ (-0.38240903616+0.923993110657j),
+ (-0.451937526464+0.89204955101j),
+ (-0.518758952618+0.854920566082j),
+ (-0.582311093807+0.812966048717j),
+ (-0.642372369766+0.76639264822j),
+ (-0.698591887951+0.715520322323j),
+ (-0.750654160976+0.660695314407j),
+ (-0.798280358315+0.602286040783j),
+ (-0.841228663921+0.540679454803j),
+ (-0.87929558754+0.476276367903j),
+ (-0.912315964699+0.409486919641j),
+ (-0.940161883831+0.340728074312j),
+ (-0.962742805481+0.270418733358j),
+ (-0.980004072189+0.198977485299j),
+ (-0.991925954819+0.126818284392j),
+ (-0.99851256609+0.0545223206282j),
+ (-0.999846458435-0.0175215266645j),
+ (-0.996021270752-0.0891158208251j),
+ (-0.987133920193-0.159895718098j),
+ (-0.973306238651-0.2295101583j),
+ (-0.954683184624-0.297624111176j),
+ (-0.931430280209-0.363919824362j),
+ (-0.903732538223-0.428097635508j),
+ (-0.871792256832-0.489875763655j),
+ (-0.835827112198-0.548992812634j),
+ (-0.796068251133-0.605206847191j),
+ (-0.752758979797-0.658296227455j),
+ (-0.706152498722-0.70805978775j),
+ (-0.656641483307-0.754202902317j),
+ (-0.604367733002-0.79670548439j),
+ (-0.549597978592-0.835429251194j),
+ (-0.492602348328-0.870254516602j),
+ (-0.433654457331-0.901079237461j),
+ (-0.373029649258-0.927819430828j),
+ (-0.31100410223-0.950408577919j),
+ (-0.247853919864-0.968797445297j),
+ (-0.183855071664-0.982953369617j),
+ (-0.119282215834-0.992860376835j),
+ (-0.0544078871608-0.998518764973j),
+ (0.0104992967099-0.999944865704j),
+ (0.0749994292855-0.997183561325j),
+ (0.138844624162-0.990314185619j),
+ (0.201967850327-0.979392170906j),
+ (0.264124274254-0.964488625526j),
+ (0.325075358152-0.945688128471j),
+ (0.3845885396-0.92308807373j),
+ (0.442438393831-0.89679890871j),
+ (0.498407125473-0.866943061352j),
+ (0.552284479141-0.833655714989j),
+ (0.603869199753-0.797083437443j),
+ (0.652970373631-0.757383465767j),
+ (0.69940674305-0.714723825455j),
+ (0.743007957935-0.66928255558j),
+ (0.78350687027-0.62138313055j),
+ (0.820889055729-0.571087777615j),
+ (0.855021059513-0.51859331131j),
+ (0.885780930519-0.46410369873j),
+ (0.913058102131-0.407829582691j),
+ (0.936754107475-0.349988251925j),
+ (0.956783294678-0.290801793337j),
+ (0.973072886467-0.230497643352j),
+ (0.985563337803-0.169307261705j),
+ (0.9942086339-0.1074674353j),
+ (0.9989772439-0.0452152714133j))
+
+ sampling_freq = 10e3
+ freq = sampling_freq / 100
+
+ loop_bw = math.pi/100.0
+ maxf = 1
+ minf = -1
+
+ src = gr.sig_source_c(sampling_freq, gr.GR_COS_WAVE, freq, 1.0)
+ pll = analog.pll_refout_cc(loop_bw, maxf, minf)
+ head = gr.head(gr.sizeof_gr_complex, int (freq))
+ dst = gr.vector_sink_c()
+
+ self.tb.connect(src, pll, head)
+ self.tb.connect(head, dst)
+
+ self.tb.run()
+ dst_data = dst.data()
+ self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 4)
+
+if __name__ == '__main__':
+ gr_unittest.run(test_pll_refout, "test_pll_refout.xml")
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-18 00:08:22 +0000