aasamplebiasedautoc.m

来自「Adaptive Filtering Primer with MATLAB」· M 代码 · 共 15 行

function[r]=aasamplebiasedautoc(x,lg)
%function[r]=aasamplebiasedautoc(x,lg);
%this function finds the biased autocorrelation function
%with lag from 0 to lg;it is recommended that lg is 20-30% of 
%N;
N=length(x);%x=data;lg=lag;
for m=1:lg
    for n=1:N+1-m
        xs(m,n)=x(n-1+m);
    end;
end;
r1=xs*x';
r=r1'./N;