GNU Radio Manual and C++ API Reference
3.9.1.0
The Free & Open Software Radio Ecosystem
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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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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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
std::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(
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 */
gr::channels::cfo_model::sptr
std::shared_ptr< cfo_model > sptr
Definition:
cfo_model.h:36
types.h
CHANNELS_API
#define CHANNELS_API
Definition:
gr-channels/include/gnuradio/channels/api.h:18
gr::sync_block
synchronous 1:1 input to output with history
Definition:
sync_block.h:25
sync_block.h
api.h
gr
GNU Radio logging wrapper for log4cpp library (C++ port of log4j)
Definition:
basic_block.h:29
gr::channels::cfo_model
channel simulator
Definition:
cfo_model.h:32
gr-channels
include
gnuradio
channels
cfo_model.h
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