diff options
Diffstat (limited to 'gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py')
| -rw-r--r-- | gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py b/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py index 88b3f1e73c..9459f42433 100644 --- a/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py +++ b/gnuradio-core/src/python/gnuradio/blksimpl/dqpsk.py @@ -39,7 +39,7 @@ _def_gray_code = True _def_verbose = False _def_log = False -_def_costas_alpha = 0.0 +_def_costas_alpha = None _def_gain_mu = 0.03 _def_mu = 0.05 _def_omega_relative_limit = 0.005 @@ -238,7 +238,7 @@ class dqpsk_demod(gr.hier_block): self.agc = gr.feedforward_agc_cc(16, 1.0) # Costas loop (carrier tracking) - if self._costas_alpha == 0.0: # If no alpha value was specified by the user + if self._costas_alpha is None: # If no alpha value was specified by the user alpha_dir = {2:0.075, 3:0.075, 4:0.105, 5:0.105, 6:0.125, 7:0.130} self._costas_alpha = alpha_dir[self._samples_per_symbol] |