gold_spr_seq.m

gold序列应用于跳频系统

%提供八个用户使用的扩频序列。
function sreseq=gold_sre_seq(Num);
Num=8;
gold_array=gold_seq(103,147);
gold_array=[gold_array,gold_array(:,1),gold_array(:,2)];
user=0:Num-1;
user_bi=de2bi(user,3);
user_bi=user_bi(:,end:-1:1);
for i1=1:8
    temp_spr_seq=[];
    for i2=1:63
        seq=xor(user_bi(i1,:),[gold_array(i1+1,i2),gold_array(i1+1,i2+1),gold_array(i1+1,i2+2)]);
        seq_de=seq(1)*1+seq(2)*2+seq(3)*2^2;
        temp_spr_seq=[temp_spr_seq,seq_de];
    end
    sreseq(i1,:)=temp_spr_seq;
end