Cross-Spectral Density (CSD) estimator. More...

#include <csd.h>

Static Public Member Functions
static CsdResult	computeMultitaper (const Eigen::MatrixXd &matData, double sfreq, double fmin=0.0, double fmax=-1.0, double halfBandwidth=4.0, int nTapers=-1)
static CsdResult	computeFourier (const Eigen::MatrixXd &matData, double sfreq, double fmin=0.0, double fmax=-1.0, int nFft=256, double overlap=0.5)
static CsdResult	computeMorlet (const Eigen::MatrixXd &matData, double sfreq, const Eigen::RowVectorXd &frequencies, int nCycles=7)

Detailed Description

Cross-Spectral Density (CSD) estimator.

Provides three methods for computing the CSD matrix between channels: multitaper (DPSS tapers), Fourier (Welch-style segmented), and Morlet wavelet.

Definition at line 78 of file csd.h.

Member Function Documentation

CsdResult Csd::computeFourier	(	const Eigen::MatrixXd &	matData,
		double	sfreq,
		double	fmin = 0.0,
		double	fmax = -1.0,
		int	nFft = 256,
		double	overlap = 0.5 )

static

Compute CSD using Welch-style Fourier segmented estimation.

Parameters

[in]	matData	Data matrix (n_channels × n_samples).
[in]	sfreq	Sampling frequency in Hz.
[in]	fmin	Minimum frequency of interest in Hz (default 0).
[in]	fmax	Maximum frequency in Hz; -1 → Nyquist (default -1).
[in]	nFft	FFT / segment length in samples (default 256).
[in]	overlap	Fractional overlap between adjacent segments, in [0, 1) (default 0.5).

Definition at line 139 of file csd.cpp.

CsdResult Csd::computeMorlet	(	const Eigen::MatrixXd &	matData,
		double	sfreq,
		const Eigen::RowVectorXd &	frequencies,
		int	nCycles = 7 )

static

Compute CSD using Morlet wavelet convolution.

Parameters

[in]	matData	Data matrix (n_channels × n_samples).
[in]	sfreq	Sampling frequency in Hz.
[in]	frequencies	Target frequencies in Hz.
[in]	nCycles	Number of cycles in the Morlet wavelet (default 7).

Definition at line 228 of file csd.cpp.

CsdResult Csd::computeMultitaper	(	const Eigen::MatrixXd &	matData,
		double	sfreq,
		double	fmin = 0.0,
		double	fmax = -1.0,
		double	halfBandwidth = 4.0,
		int	nTapers = -1 )

static

Compute CSD using multitaper (DPSS) spectral estimation.

Parameters

[in]	matData	Data matrix (n_channels × n_samples).
[in]	sfreq	Sampling frequency in Hz.
[in]	fmin	Minimum frequency of interest in Hz (default 0).
[in]	fmax	Maximum frequency in Hz; -1 → Nyquist (default -1).
[in]	halfBandwidth	Half-bandwidth parameter (NW) for DPSS tapers (default 4).
[in]	nTapers	Number of tapers; -1 → floor(2*halfBandwidth - 1) (default -1).

Definition at line 55 of file csd.cpp.

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