程序利用快速傅立叶变换及逆变换模拟了脉冲在光纤中传输时三阶色散对脉冲形状的影响。-A procedures using fast Fourier transform and inverse transform simulation of the pulse in fiber transmission third-order dispersion on the shape of the pulse the impact

短时傅里叶中加各种不同类型的窗来观察窗的形状-Short-time Fourier and Canada all the different types of windows to observe the shape of the window

Fourier descr iptor example on different shapes.Can reconstruct shape with few coeffecients

Fourier Method propagation for a Gaussian shape optical beam