Author: trondeau
Date: 2007-02-24 14:36:17 -0700 (Sat, 24 Feb 2007)
New Revision: 4620
Modified:
gnuradio/branches/developers/trondeau/digital-wip2/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py
Log:
reduce lock-in range to improve lock-in speed
Modified:
gnuradio/branches/developers/trondeau/digital-wip2/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py
===================================================================
---
gnuradio/branches/developers/trondeau/digital-wip2/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py
2007-02-24 21:09:36 UTC (rev 4619)
+++
gnuradio/branches/developers/trondeau/digital-wip2/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py
2007-02-24 21:36:17 UTC (rev 4620)
@@ -252,8 +252,8 @@
self._mm_omega = self._samples_per_symbol
self._mm_gain_omega = .25 * self._mm_gain_mu * self._mm_gain_mu
self._costas_beta = 0.25 * self._costas_alpha * self._costas_alpha
- fmin = -0.1
- fmax = 0.1
+ fmin = -0.01
+ fmax = 0.01
self.receiver=gr.mpsk_receiver_cc(arity, pi/4.0,
self._costas_alpha,
self._costas_beta,
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