目录

傅里叶逆变换

傅里叶逆变换

function [t,st] = F2T(f,sf)%This function calculate the time signal using ifft function for the input signal's spectrumdf = f(2)-f(1);Fmx = (f(end)-f(1)+df);dt = 1/Fmx;N = length(sf);T = dt*N;t = 0:dt:(T-dt);sff = ifftshift(sf);st = Fmx*ifft(sff);