dj.m

工频信号的离散matlab图形画法,其中包括程序及实验报告.

n= 0:300-1;
x=1*sin(2*pi*2*0.005*n)+0.5*sin(2*pi*2*2*0.005*n)+0.2*sin(2*pi*2*3*0.005*n);
stem(x);