#include <spectrumsolver.h>

Inheritance diagram for SpectrumSolver:

Public Types
typedef double(*	tfuncIC )(double sigma2, int p, int t)

Public Member Functions
void	exec (const std::vector< std::complex< double > > &memin, std::vector< std::complex< double > > &memout, int t0, double tol, FFT::twindowfunc windowfunc, double windowlength) throw (XKameError&)
	Perform spectrum analysis.

const std::vector < std::complex< double > > &	ifft () const

const std::vector< std::pair < double, double > > &	peaks () const

virtual bool	isFT () const

Static Public Member Functions
static double	icAIC (double loglikelifood, int k, int n)

static double	icAICc (double loglikelifood, int k, int n)

static double	icHQ (double loglikelifood, int k, int n)

static double	icMDL (double loglikelifood, int k, int n)

static double	windowLength (int tdlen, int t0, double windowlength)

static void	window (int t, int t0, FFT::twindowfunc windowfunc, double windowlength, std::vector< double > &window)
	Create a window waveform.

Protected Member Functions
virtual void	genSpectrum (const std::vector< std::complex< double > > &memin, std::vector< std::complex< double > > &memout, int t0, double tol, FFT::twindowfunc windowfunc, double windowlength)=0

virtual bool	hasWeighting () const
	If false, perform rectangular windowing before solver process.

double	numberOfNoises (const std::vector< std::complex< double > > &memin)

void	genIFFT (const std::vector< std::complex< double > > &wavein)

double	lspe (const std::vector< std::complex< double > > &wavein, int origin, const std::vector< double > &psd, std::vector< std::complex< double > > &waveout, double tol, bool powfit, FFT::twindowfunc windowfunc)

double	stepLSPE (const std::vector< std::complex< double > > &wavein, int origin, const std::vector< double > &psd, std::vector< std::complex< double > > &waveout, bool powfit, double &coeff, const std::vector< double > &weight)

int	fftlen () const

void	autoCorrelation (const std::vector< std::complex< double > > &wave, std::vector< std::complex< double > > &corr)

Protected Attributes
std::vector< std::complex < double > >	m_ifft

std::vector< std::pair< double, double > >	m_peaks

shared_ptr< FFT >	m_fftN

shared_ptr< FFT >	m_ifftN

shared_ptr< FFT >	m_fftRX
	For autocorrelation.

shared_ptr< FFT >	m_ifftRX

Detailed Description

Base class for spectrum solvers.

See Also: FFTSolver, MEMStrict, CompositeSpectrumSolver, FreqEstimation, MemBurg, YuleWalkerAR

Definition at line 27 of file spectrumsolver.h.

Member Function Documentation

double SpectrumSolver::icAIC	(	double	loglikelifood,
		int	k,
		int	n
	)

static

Akachi's information criterion.

Parameters

loglikelifood	ln(L).
k	# of parameters.
n	# of samples.

Definition at line 23 of file spectrumsolver.cpp.

double SpectrumSolver::icAICc	(	double	loglikelifood,
		int	k,
		int	n
	)

static

Corrected Akachi's information criterion.

See Also: icAIC

Definition at line 27 of file spectrumsolver.cpp.

double SpectrumSolver::icHQ	(	double	loglikelifood,
		int	k,
		int	n
	)

static

Hannan-Quinn information criterion.

See Also: icAIC

Definition at line 31 of file spectrumsolver.cpp.

double SpectrumSolver::icMDL	(	double	loglikelifood,
		int	k,
		int	n
	)

static

Minimum Description Length.

See Also: icAIC

Definition at line 35 of file spectrumsolver.cpp.

double SpectrumSolver::lspe	(	const std::vector< std::complex< double > > &	wavein,
		int	origin,
		const std::vector< double > &	psd,
		std::vector< std::complex< double > > &	waveout,
		double	tol,
		bool	powfit,
		FFT::twindowfunc	windowfunc
	)

protected

Least-square phase estimation.

Returns: coeff.

Definition at line 113 of file spectrumsolver.cpp.

References stepLSPE(), and window().

double SpectrumSolver::numberOfNoises ( const std::vector< std::complex< double > > & memin )

protected

Returns: estimated number of effective (noisy) data points.

Definition at line 203 of file spectrumsolver.cpp.

const std::vector<std::pair<double, double> >& SpectrumSolver::peaks ( ) const

inline

Returns: (power, index) in descending order.

Definition at line 37 of file spectrumsolver.h.

Referenced by XNMRPulseAnalyzer::analyze(), and XNMRPulseAnalyzer::visualize().

double SpectrumSolver::stepLSPE	(	const std::vector< std::complex< double > > &	wavein,
		int	origin,
		const std::vector< double > &	psd,
		std::vector< std::complex< double > > &	waveout,
		bool	powfit,
		double &	coeff,
		const std::vector< double > &	weight
	)

protected

Returns: err.

Definition at line 154 of file spectrumsolver.cpp.

Referenced by lspe().

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

kame/math/spectrumsolver.h
kame/math/spectrumsolver.cpp

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Member Function Documentation