generatehc.m

这是地面数字电视国标的三种H矩阵生成程序

% generate H matrix
HC=zeros(1397,7493);
for m=1:11
        for n=1:59
               b=HflineshiftC(m,n);
               i=127.*(m-1)+1;
               j=127.*(n-1)+1;
               x=127.*m;
               y=127.*n;
               h=zeros(127,127);
            if b>-1
                   k=1;
                   g=eye(1,127);
                   g=circshift(g,[0,b]);
                   h(k,1:127)=g;
                   for k=2:127                   
                       g=circshift(g,[0,1]);
                       h(k,1:127)=g;
                   end
             end
               HC(i:x,j:y)=h;
         end
 end