Ngày tải lên :
12/09/2012, 16:20
... x=u1-u2; h=(0.7).^n; h1=h.*u1; k1=-n0:n0; y=conv(x,h1); length_output=length(x)+length(h1)-1; k2=linspace(-2*n0,2*n0,length_output); subplot(2,1,2);stem(k1,x);xlabel('n'),ylabel('x(n)');grid; subplot(2,1,2);stem(k1,h1);xlabel('n'),ylabel('h(n)');grid; ... f=(1/2).^n; x=f.*u; f1=(0.7).^n; h=f1.*u; k1=-n0:n0; y=conv(x,h); length_output=length(x)+length(h)-1; k2=linspace(-2*n0,2*n0,length_output); subplot(2,1,2);stem(k1,x);xlabel('n'),ylabel('x(n)');grid; subplot(2,1,2);stem(k1,h);xlabel('n'),ylabel('h(n)');grid;...