www.pudn.com > ica_cdma.rar > ds_sp.m

function spreaded_seq=ds_sp(seq_orig,pn_seq,len_seq,len_chip) 
spreaded_seq=zeros(1,len_seq*len_chip); 
for i=1:len_seq 
    n_start=len_chip*(i-1)+1; 
    n_end=len_chip*i; 
    spreaded_seq(n_start:n_end)=seq_orig(i)*pn_seq; 
    
    %spreaded_seq(n_start:n_end)=repeated_data(n_start:n_end).*pn_seq; 
end