multi1.m

数字信号处理技术 Digital Signal Processing

n=0:0.5:10;
x=sin(n);
y=[zeros(1,9),ones(1,6),zeros(1,6)];
z=x.*y;
subplot(311);stem(x);ylabel('输入x');grid;
pause;
subplot(312);stem(y,'r');ylabel('窗口y');grid;
pause;
subplot(313);stem(z,'m');ylabel('输出保留部分z');grid;