?? mgen.m
字號:
%m序列發生器,mgen.m
function[out] = mgen(g,state,N)
%輸入g:m序列生成多項式(10進制輸入)
%state:寄存器初始狀態(10進制輸入)
% N:輸出序列長度
%test g = 11;state = 3;N = 15;
gen = dec2bin(g)-48;
M = length(gen);
curState = dec2bin(state,M-1) - 48;
for k = 1:N
out(k) = curState(M-1);
a = rem(sum(gen(2:end).*curState),2);
curState = [a curState(1:M-2)];
end
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