www.pudn.com > mentos_fs.rar > COUNTER_WEAVE_8.m

%交织度为8的反交织 
function d=COUNTER_WEAVE_8(u) 
D=zeros(8,57); 
a=size(u); 
N=a(1)*a(2)/456-1; 
u=(reshape(u,114,4*(N+1)))'; 
for n=1:N 
	for k=0:455 
   	b=mod(k,8)+4*(n-1); 
   	j=2*mod(49*k,57)+floor(mod(k,8)/4); 
      C(n,k+1)=u(b+1,j+1); 
   end 
end 
C=C'; 
d=reshape(C,1,456*N);