Initializes a new instance of the Fourier transformer with the given sign and normalization conventions.
Namespace: Meta.Numerics.SignalProcessingAssembly: Meta.Numerics (in Meta.Numerics.dll) Version: 2.1.0.0 (2.1.0.0)
Syntax
| C# | Visual Basic | Visual C++ | F# |
public FourierTransformer( int size, FourierSign signConvention, FourierNormalization normalizationConvention )
Public Sub New ( _ size As Integer, _ signConvention As FourierSign, _ normalizationConvention As FourierNormalization _ )
public: FourierTransformer( int size, FourierSign signConvention, FourierNormalization normalizationConvention )
new : size : int * signConvention : FourierSign * normalizationConvention : FourierNormalization -> FourierTransformer
Parameters
- size
- Int32
The series length of the transformer, which must be positive.
- signConvention
- FourierSign
The sign convention of the transformer.
- normalizationConvention
- FourierNormalization
The normalization convention of the transformer.
Remarks
There are multiple conventions for both the sign of the exponent and the overall normalization of Fourier transforms. The default conventions for some widely used software packages are summarized in the following table.
| Software | Sign | Normalization |
|---|---|---|
| Meta.Numerics | Negative | None |
| Matlab | Negative | None |
| Mathmatica | Positive | Unitary |
| Numerical Recipies | Positive | None |
