Characteristics of Different Types of Window VIs

Applying a window to (windowing) a signal in the time domain is equivalent to multiplying the signal by the window function. Because multiplication in the time domain is equivalent to convolution in the frequency domain, the spectrum of the windowed signal is a convolution of the spectrum of the original signal with the spectrum of the window. Thus, windowing changes the shape of the signal in the time domain, as well as affecting the spectrum that you see.

Many different types of windows are available in the LabVIEW analysis library. Depending on your application, one may be more useful than the others.