FFT Module

FFT analysis converts a signal from its original domain (often time or space) to a representation in the frequency domain and vice versa.

Functions and values

Function or value Description

asymmetricScalingInPlace a

Full Usage: asymmetricScalingInPlace a

Parameters:
    a : float array -

Returns: float array

No scaling in forward direction.

a : float array

Returns: float array

Example

forwardInPlace a

Full Usage: forwardInPlace a

Parameters:
Returns: Complex[]
a : Complex[]
Returns: Complex[]

inverseAsymmetricScalingInPlace a

Full Usage: inverseAsymmetricScalingInPlace a

Parameters:
    a : float array -

Returns: float array

Only scale by 1/N in the inverse direction; No scaling in forward direction.

a : float array

Returns: float array

Example

inverseInPlace a

Full Usage: inverseInPlace a

Parameters:
Returns: Complex[]
a : Complex[]
Returns: Complex[]

inverseSymmetricScalingInPlace a

Full Usage: inverseSymmetricScalingInPlace a

Parameters:
    a : float array -

Returns: float array

Universal; Symmetric scaling and common exponent (used in Maple) Default

a : float array

Returns: float array

Example

symmetricScalingInPlace a

Full Usage: symmetricScalingInPlace a

Parameters:
    a : float array -

Returns: float array

Universal; Symmetric scaling and common exponent (used in Maple) Default InverseExponent

a : float array

Returns: float array

Example