charac_phase.m

来自「跳频图案是跳频通信成功的基础」· M 代码 · 共 31 行

% 计算特征相位
connections1 = [0 0 0 0 0 0 0 0 0 0 0 0 0 1 1];  % P1: % 100003F
%产生m序列
seq1 = gen_m_seq(connections1);
m1 = length(seq1);
temp1 = [seq1 seq1];


for i = 1:m1
    n1 = 0;
    n1 = xor(temp1(1,i:(i+14)),[1 1 1 1 1 1 1 1 1 1 1 1 1 1 0]);%[1 1 1 1 1 1 1 1 1 1 1 1 1 1 0]为m序列的特征相位，r=15；
    if sum(n1) == 0
        index1 = i
    end
end
seq1 = [seq1(i,m1) seq1(1,(i-1))];
% ------------------------------
connections2 = [0 0 0 0 1 0 0 0 0 1 0 0 0 1 1];  % P2: 102043F
seq2 = gen_m_seq(connections2);
m2 = length(seq2);
temp2 = [seq2 seq2];


for j = 1:m2
    n2 = 0;
    n2 = xor(temp2(1,i:(i+14)),[1 1 1 1 1 0 1 0 1 1 1 0 1 1 1]);
    if sum(n2) == 0
        index2 = j
    end
end
seq2 = [seq2(j,m1) seq2(1,(j-1))];