signalencode.m

直扩码分多址DS-CDMA是利用高速的WALSH正交码序列作为地址码

%**************************************************************************
%Function:Generate the BPSK signal source encoder sequence
%功能：产生BPSK信源编码序列
%function x=SignalEncode(L)
%Input: L ---> number of sequence
%Output: x--->the BPSK signal sequence
%**************************************************************************
function x = SignalEncode(L)
%generate L symbols randomly with value +1 or -1
x = rand(1,L);
x(find(x<0.5)) = -1;
x(find(x >=0.5)) = 1;