卷积码硬判决

代码说明：

function decoder_output=viterbi_hard(y,L)  global G; n=size(G,1);  K=size(G,2);  number_of_states=2^(K-1);  %------------------------------------------------ %-------------生成各分支的输出-------------------- %------------------------------------------------ for j=0:number_of_states-1      for t=0:1          [next_state,memory_contents]=next_state_fun(j,t,K);          input(j+1,next_state+1)=t;          branch_output=rem(memory_contents*G",2);          nextstate(j+1,t+1)=next_state;