autocorrelation.m

来自「现代信号处理讲义,包含许多的例题,解答等Qinghua University p」· M 代码 · 共 13 行

function y = autocorrelation(m);
load mysave;
n = length(x);
temp = 0;

for i = 1:n
   z = i+m;
   if (z > 0) & (z < n)
   	temp = temp + x(i)*x(z);
   end
end
y = temp/n;