自适应滤波器LMS算法对声信号噪声的滤除用MATLAB编程怎么做啊?_百度知 ...答:>> clear all;g=100;N=256;k=16;pp=zeros(g,N-k);u=0.01;for q=1:g,t=1:N;a=1;s=a*sin(0.05*pi*t);figure(1);subplot(3,1,1)plot(t,real(s));title('信号s时域波形');xlabel('n');ylabel('s');axis([0,N,-a-1,a+1]);xn=awgn(s,5);y=zeros(1,N);...
瑞利信道下,2发2收,最大似然译码,空时编码,MATLAB仿真实现??_百度知...答:if channel_model=='AWGN 'Hr(n,:,:)=ones(fr_length,N);else Hr(n,:,:)=(randn(fr_length,N)+j*randn(fr_length,N))/sqrt(2);end end for n=1:M transmission matrix H=reshape(Hr(n,:,:),fr_length,N);Habs(:,n)=sum(abs(H).^2,2);received signal per receiver ...