Advanced Analysis Library Only
AnalysisLibErrType InvFFT2D (void *frequencyDomainSignal, int numberOfRows, int numberOfColumns, int shifted, void *fft);
Computes the real two-dimensional inverse Fast Fourier Transform (FFT) of the input signal.
Input | ||
Name | Type | Description |
frequencyDomainSignal | numeric array | The frequency-domain signal. |
numberOfRows | integer | The number of rows in frequencyDomainSignal. |
numberOfColumns | integer | The number of columns in frequencyDomainSignal. |
shifted | integer | Specifies whether to shift the DC component to the center of frequencyDomainSignal. shifted must be one of the following values:
|
Output | ||
Name | Type | Description |
fft | numeric array | The result of the inverse FFT. |
Name | Type | Description |
status | AnalysisLibErrType | A value that specifies the type of error that occurred. Refer to analysis.h for definitions of these constants. |