Window functions
Window functions are mathematical functions commonly used in signal processing. Applications include spectral analysis and filter design. These functions are defined to be 0 outside a specified domain. NumPy has a number of window functions: bartlett()
, blackman()
, hamming()
, hanning()
, and kaiser()
. You can find an example of the hanning()
function in Chapter 4, Convenience Functions for Your Convenience, and Chapter 3, Getting Familiar with Commonly Used Functions.