Data

Functions
arma_inline arma::vec	sp::timevec (const int N, const double Fs)
template<typename T >
arma::Col< T >	sp::fftshift (const arma::Col< T > &Pxx)
template<typename T >
arma::Col< T >	sp::ifftshift (const arma::Col< T > &Pxx)
template<typename T >
arma::Mat< T >	sp::fftshift (const arma::Mat< T > &Pxx)
template<typename T >
arma::Mat< T >	sp::ifftshift (const arma::Mat< T > &Pxx)

Detailed Description

Function Documentation

fftshift() [1/2]

template<typename T >

arma::Col<T> sp::fftshift

(

const arma::Col< T > &

Pxx

)

1D FFT shift.

Returns

Circular shifted FFT

Parameters

Pxx	Complex FFT

Examples:

image.cpp.

Definition at line 143 of file base.h.

Referenced by main().

fftshift() [2/2]

template<typename T >

arma::Mat<T> sp::fftshift

(

const arma::Mat< T > &

Pxx

)

2D FFT shift.

Returns

Circular shifted FFT

Parameters

Pxx

FFT

Definition at line 167 of file base.h.

ifftshift() [1/2]

template<typename T >

arma::Col<T> sp::ifftshift

(

const arma::Col< T > &

Pxx

)

1D FFT inverse/reverse shift.

Returns

Circular shifted FFT

Parameters

Pxx	Complex FFT

Definition at line 155 of file base.h.

ifftshift() [2/2]

template<typename T >

arma::Mat<T> sp::ifftshift

(

const arma::Mat< T > &

Pxx

)

2D FFT inverse/reverse shift.

Returns

Circular shifted FFT

Parameters

Pxx

FFT

Definition at line 182 of file base.h.

timevec()

arma_inline arma::vec sp::timevec	(	const int	N,
		const double	Fs
	)

Generates a linear time vector with specified sample rate. Delta time=1/Fs.

Parameters

N	Number of data points
Fs	Sample rate

Definition at line 133 of file base.h.