gr::digital::mpsk_snr_est Class Reference

A parent class for SNR estimators, specifically for M-PSK signals in AWGN channels. More...

#include <mpsk_snr_est.h>

Inheritance diagram for gr::digital::mpsk_snr_est:

List of all members.

Public Member Functions
	mpsk_snr_est (double alpha)
virtual	~mpsk_snr_est ()
double	alpha () const
	Get the running-average coefficient.
void	set_alpha (double alpha)
	Set the running-average coefficient.
virtual int	update (int noutput_items, const gr_complex *input)
	Update the current registers.
virtual double	snr ()
	Use the register values to compute a new estimate.
Protected Attributes
double	d_alpha
double	d_beta

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Detailed Description

A parent class for SNR estimators, specifically for M-PSK signals in AWGN channels.

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Constructor & Destructor Documentation

gr::digital::mpsk_snr_est::mpsk_snr_est

(

double

alpha

)

Constructor

Parameters:

Parameters:

alpha,:

the update rate of internal running average calculations.

virtual gr::digital::mpsk_snr_est::~mpsk_snr_est

(

)

[virtual]

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Member Function Documentation

double gr::digital::mpsk_snr_est::alpha

(

)

const

Get the running-average coefficient.

void gr::digital::mpsk_snr_est::set_alpha

(

double

alpha

)

Set the running-average coefficient.

virtual double gr::digital::mpsk_snr_est::snr

(

)

[virtual]

Use the register values to compute a new estimate.

Reimplemented in gr::digital::mpsk_snr_est_svr, gr::digital::snr_est_m2m4, gr::digital::mpsk_snr_est_m2m4, gr::digital::mpsk_snr_est_skew, and gr::digital::mpsk_snr_est_simple.

virtual int gr::digital::mpsk_snr_est::update	(	int	noutput_items,
		const gr_complex *	input
	)		[virtual]

Update the current registers.

Reimplemented in gr::digital::mpsk_snr_est_svr, gr::digital::snr_est_m2m4, gr::digital::mpsk_snr_est_m2m4, gr::digital::mpsk_snr_est_skew, and gr::digital::mpsk_snr_est_simple.

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Member Data Documentation

double gr::digital::mpsk_snr_est::d_alpha [protected]

double gr::digital::mpsk_snr_est::d_beta [protected]

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The documentation for this class was generated from the following file:

• mpsk_snr_est.h