diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2012-05-06 19:36:03 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2012-05-06 19:36:03 -0400 |
| commit | fc98a2a9775ab8e091413a195ce2584e5b76de99 (patch) | |
| tree | b1f69d092f83896d080de3ef9212283c69f2d06f /gr-filter/include | |
| parent | b3987add5662344ed88be910afdb55de1097ed15 (diff) | |
filter: added filter_delay_fc to gr-filter with QA and GRC files.
Diffstat (limited to 'gr-filter/include')
| -rw-r--r-- | gr-filter/include/filter/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | gr-filter/include/filter/filter_delay_fc.h | 65 |
2 files changed, 66 insertions, 0 deletions
diff --git a/gr-filter/include/filter/CMakeLists.txt b/gr-filter/include/filter/CMakeLists.txt index 402dd599aa..75d44cb66f 100644 --- a/gr-filter/include/filter/CMakeLists.txt +++ b/gr-filter/include/filter/CMakeLists.txt @@ -82,6 +82,7 @@ install(FILES ${generated_includes} dc_blocker_cc.h dc_blocker_ff.h + filter_delay_fc.h fft_filter_ccc.h fft_filter_fff.h hilbert_fc.h diff --git a/gr-filter/include/filter/filter_delay_fc.h b/gr-filter/include/filter/filter_delay_fc.h new file mode 100644 index 0000000000..b772fe7360 --- /dev/null +++ b/gr-filter/include/filter/filter_delay_fc.h @@ -0,0 +1,65 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2012 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. + */ + +#ifndef INCLUDED_FILTER_FILTER_DELAY_FC_H +#define INCLUDED_FILTER_FILTER_DELAY_FC_H + +#include <filter/api.h> +#include <gr_sync_block.h> + +namespace gr { + namespace filter { + + class FILTER_API filter_delay_fc : virtual public gr_sync_block + { + public: + + // gr::foo::filter_delay_fc::sptr + typedef boost::shared_ptr<filter_delay_fc> sptr; + + /*! + * \brief Filter-Delay Combination Block. + * \ingroup filter_blk + * + * The block takes one or two float stream and outputs a complex + * stream. + * + * If only one float stream is input, the real output is a + * delayed version of this input and the imaginary output is the + * filtered output. + * + * If two floats are connected to the input, then the real + * output is the delayed version of the first input, and the + * imaginary output is the filtered output. + * + * The delay in the real path accounts for the group delay + * introduced by the filter in the imaginary path. The filter + * taps needs to be calculated before initializing this block. + * + */ + static FILTER_API sptr make(const std::vector<float> &taps); + }; + + } /* namespace filter */ +} /* namespace gr */ + +#endif /* INCLUDED_FILTER_FILTER_DELAY_FC_H */ |