get_rxx.m

DOA估计,music算法对于非相干信号的方向估计

function Rxx=get_Rxx(s_rec,N,p,m)
Rxx=zeros(m,m);
x=1:m;
for i=1:N
    for t=1:m
        x(t)=s_rec(t,i);
    end
    R=x'*x;
    Rxx=Rxx+R;
end
Rxx=Rxx/N;