ex_5.m

信号与系统分析以matlab实现

%画例6.11的程序
clear all;
t=0:0.01:3;
z=exp(-t).*exp(10*i*t) 
subplot(2,2,1),plot(t,real(z)),title('实部')
subplot(2,2,3),plot(t,imag(z)),title('虚部') 
subplot(2,2,2),plot(t,abs(z)),title('模')
subplot(2,2,4),plot(t,angle(z)),title('相角')