提供实现了（2，1，7）卷积码的维特比译码的源程序，采用了最大似然算法，介绍了软判决维特比译码算法过程的三个步骤：初始化、度量更新和回溯译码。-for achieving a (2,1,7) Convolutional Codes Viterbi decoding of the source, using the maximum - likelihood algorithm, introduced a soft-decision Viterbi decoding algorithm of the

(2,1,3)卷积码编码，软判决译码；matlab语言编码；verilog语言译码；-(2,1,3) convolutional code encoding, soft-decision decoding matlab coding verilog decoder