From fdf13bdc0640f4ffa892c9bebedf74274bc6ea82 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <tom@trondeau.com>
Date: Tue, 21 Oct 2014 16:07:53 -0400
Subject: digital: adding use of tanh and snr info to costas loop.
---
gr-digital/python/digital/qa_costas_loop_cc.py | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
(limited to 'gr-digital/python/digital/qa_costas_loop_cc.py')
diff --git a/gr-digital/python/digital/qa_costas_loop_cc.py b/gr-digital/python/digital/qa_costas_loop_cc.py
index 9ecb017599..e48f45cc22 100755
--- a/gr-digital/python/digital/qa_costas_loop_cc.py
+++ b/gr-digital/python/digital/qa_costas_loop_cc.py
@@ -1,24 +1,24 @@
#!/usr/bin/env python
#
# Copyright 2011,2013 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.
-#
+#
import random
import cmath
@@ -46,7 +46,7 @@ class test_costas_loop_cc(gr_unittest.TestCase):
self.tb.connect(self.src, self.test, self.snk)
self.tb.run()
-
+
expected_result = data
dst_data = self.snk.data()
self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 5)
@@ -77,7 +77,7 @@ class test_costas_loop_cc(gr_unittest.TestCase):
rot = cmath.exp(0.2j) # some small rotation
data = [complex(2*random.randint(0,1)-1, 0) for i in xrange(100)]
-
+
N = 40 # settling time
expected_result = data[N:]
data = [rot*d for d in data]
@@ -89,7 +89,7 @@ class test_costas_loop_cc(gr_unittest.TestCase):
self.tb.run()
dst_data = self.snk.data()[N:]
-
+
# generously compare results; the loop will converge near to, but
# not exactly on, the target data
self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 2)
@@ -103,7 +103,7 @@ class test_costas_loop_cc(gr_unittest.TestCase):
rot = cmath.exp(0.2j) # some small rotation
data = [complex(2*random.randint(0,1)-1, 2*random.randint(0,1)-1)
for i in xrange(100)]
-
+
N = 40 # settling time
expected_result = data[N:]
data = [rot*d for d in data]
@@ -130,7 +130,7 @@ class test_costas_loop_cc(gr_unittest.TestCase):
const = psk.psk_constellation(order)
data = [random.randint(0,7) for i in xrange(100)]
data = [2*rot*const.points()[d] for d in data]
-
+
N = 40 # settling time
expected_result = data[N:]
@@ -144,7 +144,7 @@ class test_costas_loop_cc(gr_unittest.TestCase):
self.tb.run()
dst_data = self.snk.data()[N:]
-
+
# generously compare results; the loop will converge near to, but
# not exactly on, the target data
self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 2)
--
cgit v1.2.3