From eeebc6bf08230ff905262d08b33fbd10dcddb306 Mon Sep 17 00:00:00 2001 From: trondeau Date: Tue, 21 Nov 2006 18:18:24 +0000 Subject: [PATCH] fixed typo in beta value for qpsk demod git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@4011 221aa14e-8319-0410-a670-987f0aec2ac5 --- gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py b/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py index 0563840f..70024f1e 100644 --- a/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py +++ b/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py @@ -245,7 +245,7 @@ class dqpsk_demod(gr.hier_block): 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 -- 2.47.2