diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2011-04-08 14:09:13 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2011-04-08 14:09:13 -0400 |
| commit | 20678e6dc1c2812a6b9abc3a8bf47f368a602f0d (patch) | |
| tree | 669456e7b63a7cae5fec470b60cb4791bcd42aeb /gr-digital/lib/digital_kurtotic_equalizer_cc.cc | |
| parent | 6d080314a1e4619f96685f8c4514f4bc37a5c1e3 (diff) | |
gr-digital: introducing a new blind equalizer based on minimizing the kurtosis. Does not work yet.
Diffstat (limited to 'gr-digital/lib/digital_kurtotic_equalizer_cc.cc')
| -rw-r--r-- | gr-digital/lib/digital_kurtotic_equalizer_cc.cc | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gr-digital/lib/digital_kurtotic_equalizer_cc.cc b/gr-digital/lib/digital_kurtotic_equalizer_cc.cc new file mode 100644 index 0000000000..c95b560216 --- /dev/null +++ b/gr-digital/lib/digital_kurtotic_equalizer_cc.cc @@ -0,0 +1,51 @@ +/* -*- c++ -*- */ +/* + * Copyright 2011 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, + * Boston, MA 02110-1301, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <digital_kurtotic_equalizer_cc.h> + +digital_kurtotic_equalizer_cc_sptr +digital_make_kurtotic_equalizer_cc(int num_taps, float mu) +{ + return gnuradio::get_initial_sptr(new digital_kurtotic_equalizer_cc(num_taps, mu)); +} + +digital_kurtotic_equalizer_cc::digital_kurtotic_equalizer_cc(int num_taps, float mu) + : gr_adaptive_fir_ccc("kurtotic_equalizer_cc", 1, std::vector<gr_complex>(num_taps)) +{ + set_gain(mu); + if (num_taps > 0) + d_taps[0] = 1.0; + + d_alpha_p = 0.01; + d_alpha_q = 0.01; + d_alpha_m = 0.01; + + d_p = 0.0f; + d_m = 0.0f; + d_q = gr_complex(0,0); + d_u = gr_complex(0,0); +} + |