Fast |
Fast Fourier Transform class based on the Fast Hartley Transform.
Inheritance HierarchyNamespace: Altaxo.Calc.Fourier
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3179.0 (4.8.3179.0)
SyntaxC#
public class FastHartleyTransform
The FastHartleyTransform type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | FastHartleyTransform | Initializes a new instance of the FastHartleyTransform class |
Methods| Name | Description | |
|---|---|---|
 | CyclicConvolution | Performs a convolution of two complex arrays which are in splitted form. The input arrays will leave intact. |
| CyclicCorrelation(Double, Double, Double, Double, Double, Double, Int32) | Performs a cyclic correlation of two complex arrays which are in splitted form. The input arrays will leave intact. |
| CyclicCorrelation(Double, Double, Double, Double, Double, Double, Int32, Double, Double) | Performs a cyclic correlation of two complex arrays which are in splitted form. The input arrays will leave intact. |
| CyclicCorrelationDestructive(Double, Double, Double, Int32) | Performes a cyclic correlation between array arr1 and arr2 and stores the result in resultarr. Resultarr must be different from the other two arrays. |
| CyclicCorrelationDestructive(Double, Double, Double, Double, Double, Double, Int32) | Performs a correlation of two comlex arrays which are in splitted form (i.e. real and imaginary part are separate arrays). Attention: the data into the input arrays will be destroyed! |
| CyclicDestructiveConvolution(Double, Double, Double, Int32) | Performs a cyclic convolution of two real valued arrays. The content of the input arrays is destroyed during this operation. |
| CyclicDestructiveConvolution(Double, Double, Double, Double, Double, Double, Int32) | Performs a convolution of two comlex arrays which are in splitted form (i.e. real and imaginary part are separate arrays). Attention: the data into the input arrays will be destroyed! |
| CyclicRealConvolution(IReadOnlyListDouble, IReadOnlyListDouble, Double, Int32) | Performs a cyclic convolution of two real valued arrays. The content of the input arrays is leaved intact. |
| CyclicRealConvolution(IReadOnlyListDouble, IReadOnlyListDouble, Double, Int32, Double) | Performs a cyclic convolution of two real valued arrays. The content of the input arrays is leaved intact. |
| Equals | Determines whether the specified object is equal to the current object. (Inherited from Object) |
| FFT(Double, Double, FourierDirection) | Does a fourier transform of 'n' points of the 'real' and 'imag' arrays. |
| FFT(Double, Double, Int32) | Does a fourier transform of 'n' points of the 'real' and 'imag' arrays. |
| FFT(Double, Double, Int32, FourierDirection) | Does a fourier transform of 'n' points of the 'real' and 'imag' arrays. |
| FHT | Does a hartley transform of 'n' points in the array 'fz'. |
 | Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object) |
| GetHashCode | Serves as the default hash function. (Inherited from Object) |
| GetType | Gets the Type of the current instance. (Inherited from Object) |
| IFFT | Does an in-place inverse fourier transform of 'n' points of the 'real' and 'imag' arrays. |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object) |
| RealFFT(Double, FourierDirection) | Does a real-valued fourier transform of 'n' points of the 'real' array. On forward transform, the real part of the transform ends up in the first half of the array and the imaginary part of the transform ends up in the second half of the array. On backward transform, real and imaginary part have to be located in the same way like the result of the forward transform. |
| RealFFT(Double, Int32) | Does a real-valued fourier transform of 'n' points of the 'real' array. The real part of the transform ends up in the first half of the array and the imaginary part of the transform ends up in the second half of the array. |
| RealFFT(Double, Int32, FourierDirection) | Does a real-valued fourier transform of 'n' points of the 'real' array. On forward transform, the real part of the transform ends up in the first half of the array and the imaginary part of the transform ends up in the second half of the array. On backward transform, real and imaginary part have to be located in the same way like the result of the forward transform. |
| RealIFFT | Does the inverse of a real-valued fourier transform of 'n' points. |
| ToString | Returns a string that represents the current object. (Inherited from Object) |
See Also