diff options
Diffstat (limited to 'gr-atsc/src/lib/GrAtscFPLL.cc')
| -rw-r--r-- | gr-atsc/src/lib/GrAtscFPLL.cc | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/gr-atsc/src/lib/GrAtscFPLL.cc b/gr-atsc/src/lib/GrAtscFPLL.cc index ce5b183e6..df7d6b8c0 100644 --- a/gr-atsc/src/lib/GrAtscFPLL.cc +++ b/gr-atsc/src/lib/GrAtscFPLL.cc @@ -1,19 +1,19 @@ /* -*- c++ -*- */ /* * Copyright 2002 Free Software Foundation, Inc. - * + * * This file is part of GNU Radio - * + * * GNU Radio is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3, or (at your option) * any later version. - * + * * GNU Radio is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with GNU Radio; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, @@ -59,7 +59,7 @@ GrAtscFPLL::initialize () float Fs = getInputSamplingFrequencyN (0); float alpha = 1 - exp(-1.0 / Fs / 5e-6); - + afci.set_taps (alpha); afcq.set_taps (alpha); @@ -67,7 +67,7 @@ GrAtscFPLL::initialize () nco.set_phase (initial_phase); } -int +int GrAtscFPLL::work (VrSampleRange output, void *ao[], VrSampleRange inputs[], void *ai[]) { @@ -109,7 +109,7 @@ GrAtscFPLL::work (VrSampleRange output, void *ao[], // static const float alpha = 0.037; // Max value // static const float alpha = 0.005; // takes about 5k samples to pull in, stddev = 323 // static const float alpha = 0.002; // takes about 15k samples to pull in, stddev = 69 - // or about 120k samples on noisy data, + // or about 120k samples on noisy data, static const float alpha = 0.001; static const float beta = alpha * alpha / 4; |