产生随机传输数据data的子程序.m

MATLAB的源程序,包括产生随机传输数据data的子程序,eject_seq发射序列子程序,BPSK调制序列产生子程序,产生pn1序列的子程序,利用积分法实现BPSK解调,均衡pn1序列的子程序.

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%data_generator(L)产生随机传输数据data的子程序
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function[data]=data(L)     %产生N个随即树作为欲传输的数据
L=12;
data_rand=randn(1,L);
for i=0:L-1
    if data_rand(1,i+1)>0
        data(i+1)=1;
    else
        data(i+1)=-1;
    end
end
t=0:11;
stairs(t,data);axis([0,15,-2,2]);