www.pudn.com > GaoJie.rar > signalSOI.m

function  st=signalSOI(t) 
% 
 
BaudRate=4;   %   1/Tb  is  baud rate 
r=rand(1,ceil(t/BaudRate)); 
for i=1:ceil(t/BaudRate) 
    if r(i)>=0.5 
      judge(i)=1; 
    else 
      judge(i)=-1; 
    end 
end 
for i=1:t/BaudRate 
   for n=1:BaudRate 
      st(BaudRate*(i-1)+n)=judge(i); 
   end 
end