[Discuss-gnuradio] Why d_phase in Costas loop different in gr_costas_loo
From:
Mir M. Ali
Subject:
[Discuss-gnuradio] Why d_phase in Costas loop different in gr_costas_loop from gr_mpsk_receiver?
Date:
Wed, 27 May 2009 01:32:19 -0500
Hi,
Why is the d_phase equation different in these two files? d_phase += d_alpha*phase_error; // In gr_mpsk_receiver.cc and d_phase = d_phase + d_freq + d_alpha * error; // In gr_costas_loop.cc The d_freq term is omitted and I don't understand why.