GNU Radio 3.7.2.1 C++ API
cfo_model.h
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/* -*- c++ -*- */
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/*
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* Copyright 2009,2012 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_CHANNELS_CFO_MODEL_H
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#define INCLUDED_CHANNELS_CFO_MODEL_H
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#include <
gnuradio/channels/api.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
channels {
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/*!
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* \brief channel simulator
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* \ingroup channel_models_blk
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*
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* \details
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* This block implements a carrier frequency offset model that
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* can be used to simulate carrier frequency drift typically from
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* mixer LO drift on either transmit or receive hardware.
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*
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* A clipped gaussian random walk process is used.
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*/
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class
CHANNELS_API
cfo_model
:
virtual
public
sync_block
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{
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public
:
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// gr::channels::cfo_model::sptr
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typedef
boost::shared_ptr<cfo_model>
sptr
;
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/*! \brief Build the carrier frequency offset model
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*
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* \param sample_rate_hz Sample rate of the input signal in Hz
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* \param std_dev_hz Desired standard deviation of the random walk
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process every sample in Hz
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* \param max_dev_hz Maximum carrier frequency deviation in Hz.
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* \param noise_seed A random number generator seed for the noise source.
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*/
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static
sptr
make(
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double
sample_rate_hz,
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double
std_dev_hz,
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double
max_dev_hz,
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double
noise_seed=0);
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virtual
void
set_std_dev(
double
_dev) = 0;
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virtual
void
set_max_dev(
double
_dev) = 0;
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virtual
void
set_samp_rate(
double
_rate) = 0;
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virtual
double
std_dev()
const
= 0;
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virtual
double
max_dev()
const
= 0;
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virtual
double
samp_rate()
const
= 0;
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};
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}
/* namespace channels */
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}
/* namespace gr */
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#endif
/* INCLUDED_CHANNELS_CFO_MODEL_H */
gnuradio
gr-channels
include
gnuradio
channels
cfo_model.h
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