asearchbegin.m

有关OFDM的建模仿真 MATLAB模型图 星座图

function seqnum2=asearchbegin(x)
minene=10;
seqnum=0;
t=0;
for i=1:2269
    t=seqenergy(x(i+18:i+35));
    if t~=0
    minene1=seqenergy(x(i:i+17))/t;
    if minene1<minene
        minene=minene1;
        seqnum=i;
    end
    end
end

if seqnum==1 
    seqnum=1153;
elseif seqnum>1153
    seqnum=seqnum-1152;
end

seqnum2=seqnum;