function [mseq]=m_sequence(fbconncection);
n=length(fbconnection);
N=2^n-1;
register=[zeros(1,n-1) 1];    %定義移位寄存器的初始狀態值
mseq(1)=register(n);
for i=2:N
    newregister(1)=mod(sum(fbconnection.*regiser),2);
    for j=2:n
        newregister(j)=register(j-1);
    end
    register=newregister;
    mseq(i)=register(n);
end