InverseRealFft Method (ComplexDouble[])

Measurement Studio 2012 for Visual Studio 2010 Help

Edition Date: August 2012

Part Number: 372636F-01

»View Product Info
Download Help (Windows Only)

Transforms Class See Also


Computes the real inverse Fast Fourier Transform (FFT) of an input sequence.

Namespace: NationalInstruments.Analysis.Dsp

Assembly: NationalInstruments.Analysis.Enterprise (in NationalInstruments.Analysis.Enterprise.dll) Version: 12.0.40.318

Syntax

Visual Basic (Declaration)
<SecurityPermissionAttribute(SecurityAction.Demand, Flags := SecurityPermissionFlag.UnmanagedCode)> _
Public Shared Function InverseRealFft ( _
	fft As ComplexDouble() _
) As Double()

C#
[SecurityPermissionAttribute(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)]
public static double[] InverseRealFft(
	ComplexDouble[] fft
)

Parameters

fft
Type: NationalInstruments.ComplexDouble []
Contains the ComplexDouble values used to compute the real inverse FFT.

Return Value

The real part of the transform. There is no imaginary part.

Exceptions

ExceptionCondition
ArgumentException The number of samples in fft is equal to zero.
DllNotFoundException The analysis library cannot be found.
EntryPointNotFoundException A required operation in the analysis library cannot be found.

.NET Framework Security

See Also

Reference

Transforms Class

NationalInstruments.Analysis.Dsp Namespace

WAS THIS ARTICLE HELPFUL?

Not Helpful