close all;clear all;clc;x=-5:0.05:5;y=-5:0.05:5;[X,Y]=meshgrid(x,y);T=5;a=exp(j*pi*Y.*(T-X));b=pi*Y.*(T-abs(X))+eps;c=((sin(b).*(T-abs(X)))./(T*b));Z=abs(a.*c);surf(X,Y,Z),title('單載頻矩形脈沖信號模糊圖'),xlabel('時間'),ylabel('頻率');