提供了一个硬判决的viterbi译码器（2，1，3） 有源程序及算法描述，未成定稿，只供参考 （vhdl 语言描述） -provided a hard decision of the Viterbi Decoder (2,1, 3) the source code and the algorithm descr iption, from his position as final, for reference (vhdl Descr iption Language)