ex_5.m

来自「信号与系统分析以matlab实现」· M 代码 · 共 9 行

%P213 3
clear all;
syms t w
f=sym('(1+t/2)*(Heaviside(t+2)-Heaviside(t))+(1-t/2)*(Heaviside(t)-Heaviside(t-2))');
figure(1)
subplot(2,1,1),ezplot(f)
F=fourier(f)
%FFW=subs(F,w,[-10*pi:0.1:10*pi]);
%subplot(2,1,2),plot([-10*pi:0.1:10*pi],abs(FFW))