ManagedFft2D.BackwardTransform Method

Definition

Namespace: Extreme.Mathematics.SignalProcessing
Assembly: Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.23

Overload List

BackwardTransform(ComplexConjugateSignalMatrix<T>) Computes the discrete Fourier transform of a real signal and returns the result.
BackwardTransform(Matrix<Complex<T>>) Computes the discrete Fourier transform of a complex signal and returns the result..
BackwardTransform(Array2D<Complex<Double>>, Array2D<Complex<Double>>) Computes the discrete Fourier transform of a complex signal.
BackwardTransform(Array2D<Complex<Double>>, Array2D<Double>) Computes the discrete Fourier transform of a real signal.
BackwardTransform(ComplexConjugateSignalMatrix<T>, DenseMatrix<T>) Computes the discrete Fourier transform of a real signal.
BackwardTransform(DenseMatrix<Complex<T>>, DenseMatrix<Complex<T>>) Computes the discrete Fourier transform of a complex signal.
BackwardTransform(Matrix<Complex<T>>, Matrix<T>) Computes the discrete Fourier transform of a real signal.
BackwardTransform(Matrix<Complex<T>>, Matrix<Complex<T>>) Computes the discrete Fourier transform of a complex signal.
BackwardTransform(Matrix<Complex<T>>, Matrix<T>, RealFftFormat) Computes the inverse discrete Fourier transform of a real signal.

BackwardTransform(Array2D<Complex<Double>>, Array2D<Complex<Double>>)

Computes the discrete Fourier transform of a complex signal.
C#
public override void BackwardTransform(
	Array2D<Complex<double>> input,
	Array2D<Complex<double>> output
)

Parameters

input  Array2D<Complex<Double>>
A complex number array containing the input signal.
output  Array2D<Complex<Double>>
A complex number array to hold the transformed signal.

Exceptions

InvalidOperationException The FftDomain of the transform is not complex.

-or-

The input and output are the same, but the transform was not set up for in place calculation

BackwardTransform(Array2D<Complex<Double>>, Array2D<Double>)

Computes the discrete Fourier transform of a real signal.
C#
public override void BackwardTransform(
	Array2D<Complex<double>> input,
	Array2D<double> output
)

Parameters

input  Array2D<Complex<Double>>
A Double array containing the input signal.
output  Array2D<Double>
A complex number array to hold the transformed signal.

See Also