[Commit-gnuradio] r4058 - gnuradio/branches/developers/trondeau/digital-wip/gnuradio-core/src/python/gnuradio/blksimpl

[trondeau]

Author: trondeau
Date: 2006-12-11 10:19:09 -0700 (Mon, 11 Dec 2006)
New Revision: 4058

Modified:
   
gnuradio/branches/developers/trondeau/digital-wip/gnuradio-core/src/python/gnuradio/blksimpl/dbpsk.py
   
gnuradio/branches/developers/trondeau/digital-wip/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py
Log:
minor modifications

Modified: 
gnuradio/branches/developers/trondeau/digital-wip/gnuradio-core/src/python/gnuradio/blksimpl/dbpsk.py
===================================================================
--- 
gnuradio/branches/developers/trondeau/digital-wip/gnuradio-core/src/python/gnuradio/blksimpl/dbpsk.py
       2006-12-11 17:17:24 UTC (rev 4057)
+++ 
gnuradio/branches/developers/trondeau/digital-wip/gnuradio-core/src/python/gnuradio/blksimpl/dbpsk.py
       2006-12-11 17:19:09 UTC (rev 4058)
@@ -19,7 +19,7 @@
 # Boston, MA 02110-1301, USA.
 # 
 
-# See gnuradio-examples/python/gmsk2 for examples
+# See gnuradio-examples/python/digital for examples
 
 """
 differential BPSK modulation and demodulation.

Modified: 
gnuradio/branches/developers/trondeau/digital-wip/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py
===================================================================
--- 
gnuradio/branches/developers/trondeau/digital-wip/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py
       2006-12-11 17:17:24 UTC (rev 4057)
+++ 
gnuradio/branches/developers/trondeau/digital-wip/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py
       2006-12-11 17:19:09 UTC (rev 4058)
@@ -19,7 +19,7 @@
 # Boston, MA 02110-1301, USA.
 # 
 
-# See gnuradio-examples/python/gmsk2 for examples
+# See gnuradio-examples/python/digital for examples
 
 """
 differential QPSK modulation and demodulation.
@@ -245,7 +245,7 @@
         costas_order = 4        
         # The value of beta is now set to be underdamped; this value can have 
a huge impact on the
         # performance of QPSK. Set to 0.25 for critically damped or higher for 
underdamped responses.
-        beta = .5 0 * self._costas_alpha * self._costas_alpha
+        beta = .35 * self._costas_alpha * self._costas_alpha
         self.costas_loop = gr.costas_loop_cc(self._costas_alpha, beta, 0.02, 
-0.02, costas_order)
 
         # RRC data filter