WelchWindow
WelchWindow[x] represents a Welch window function of x.
WelchWindow[x, α]uses the parameter α.
Examples
Plot the Welch window function:
Plot[WelchWindow[x], {x, -1, 1}]Apply a Welch window to sampled data:
ListLinePlot[WelchWindow[Range[-1, 1, 0.05]]]Please visit the official Wolfram Language Reference for more details.