cx.m

来自「利用Matlab编写求取4级移位寄存器的M序列 设初始序列为:1 1 1 」· M 代码 · 共 21 行

function exchangeorder(regester,n) 
% exchangeorder is exchange the position  
%  
% input:regester :data vector.regester=[1 1 1 1]; 
% n :times n=16; 
% 
% output: regester1:regester of exchange 
regester=[1 1 1 1]; 
n=16; 
tempa=0; 

for i=1:n 
 % compute the third data and the four data 
 tempa=mod((regester(end-1)+regester(end)),2); % the last two data plus 
 % exchange the position. 
 regester(2:end)=regester(1:end-1); 
 regester(1)=tempa; 
 regester 
end 
regester1=regester