wcl_mseq.m

来自「Hybrid DS-FH communication systems」· M 代码 · 共 27 行

%~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
%
% 	Create M-Sequence
%	
% 	Copyright(c) 2009-2015 HanYang University Wireless Communication Lab
% 
% 	Date		Name            Version         Description
%   ----------  -----------     -----------     ---------------------------
% 	2009.05.22	JINMINGSONG     v1.00           Create
% 	2009.05.23	JINMINGSONG     v1.01           Upgrade
%~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

function [mout] = WCL_mseq(stg,taps,inidata,n)
n = 1;
mout = zeros(n,2^stg-1);
fpos = zeros(stg,1);
fpos(taps) = 1;
for i = 1:2^stg-1
    mout(1,i) = inidata(stg);
    num = mod(inidata*fpos,2);
    inidata(2:stg) = inidata(1:stg-1);
    inidata(1) = num;
end

for i = 2:2^stg-1
    mout(i,:) = WCL_mseq_shift(mout(i-1,:),1,0);  % WCL_mseq_shift.m
end