CosTaperedWinEx

Advanced Analysis Library Only

AnalysisLibErrType CosTaperedWinEx (double arrayX[], int numberOfElements, double ratio);

Purpose

Applies a cosine tapered window to a real signal. A cosine tapered window is defined as follows:

where n is the number of elements in arrayX, and .

Parameters

Input
Name Type Description
numberOfElements integer The number of elements in arrayX.
ratio double-precision The ratio of the total length of the tapered section to the whole signal length. The window is a cosine tapered window only if 0 < ratio < 1. If ratio <=0, the window is equivalent to a rectangular window. If ratio >=1, the window is equivalent to a Hanning window.
Output
Name Type Description
arrayX double-precision array On input, the input signal. On output, the output signal with a cosine tapered window applied.

Return Value

Name Type Description
status AnalysisLibErrType A value that specifies the type of error that occurred. Refer to analysis.h for definitions of these constants.