GNU Radio 3.7.2.1 C++ API
hilbert_fc.h
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/* -*- c++ -*- */
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/*
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* Copyright 2004,2012 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_FILTER_HILBERT_FC_H
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#define INCLUDED_FILTER_HILBERT_FC_H
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#include <
gnuradio/filter/api.h
>
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#include <
gnuradio/filter/firdes.h
>
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#include <
gnuradio/sync_block.h
>
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#include <
gnuradio/types.h
>
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namespace
gr {
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namespace
filter {
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/*!
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* \brief Hilbert transformer.
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* \ingroup filter_blk
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*
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* \details
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* real output is input appropriately delayed.
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* imaginary output is hilbert filtered (90 degree phase shift)
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* version of input.
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*/
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class
FILTER_API
hilbert_fc
:
virtual
public
sync_block
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{
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public
:
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// gr::filter::hilbert_fc::sptr
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typedef
boost::shared_ptr<hilbert_fc>
sptr
;
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/*!
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* Build a Hilbert transformer filter block.
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*
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* \param ntaps The number of taps for the filter.
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* \param window Window type (see firdes::win_type) to use.
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* \param beta Beta value for a Kaiser window.
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*/
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static
sptr
make(
unsigned
int
ntaps,
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firdes::win_type
window=
firdes::WIN_HAMMING
,
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double
beta=6.76);
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};
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}
/* namespace filter */
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}
/* namespace gr */
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#endif
/* INCLUDED_FILTER_HILBERT_FC_H */
gnuradio
gr-filter
include
gnuradio
filter
hilbert_fc.h
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