问题描述：
matlab
L=100;
n=0:L-1;
w=0.1*pi;
xn=cos(w*n);
wh=0.54-0.46*cos((2*pi*n)/(L-1));
xh=xn*wh;
plot(n,xh);
L=100;
n=0:L-1;
w=0.1*pi;
xn=cos(w*n);
wh=0.54-0.46*cos((2*pi*n)/(L-1));
xh=xn*wh;
plot(n,xh);
问题解答：
我来补答展开全文阅读