Shifting
The fftshift()
function of the numpy.linalg
module shifts zero-frequency components to the center of a spectrum. The zero-frequency component corresponds to the mean of the signal. The ifftshift()
function reverses this operation.
Get NumPy : Beginner's Guide - Third Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.