clear;
SF=15;         %m序列的長度SF=2^n-1，n=4
NumInterferers = 10;
DesiredSequence = MSequence(SF+1);          % desired signal，輸出的m序列
offset = fix(length(DesiredSequence)/(NumInterferers+1));
M = length(DesiredSequence);
for k=1:NumInterferers
   InterfererSequence(k,:) = ...
      [DesiredSequence(M-(k-1)*offset:M) DesiredSequence(1:M-1-(k-1)*offset)];
end
x=sum(DesiredSequence.*InterfererSequence(10,:))