viterbi

代码说明：

说明：  这些是卷积译码程序m文件，其中viterbi.m为卷积译码程序，其余的m文件为viterbi.m中用到的子函数。均已调通，并加上注释！(These are the convolutional decoding process m paper viterbi.m for the convolutional decoding process, the rest of the m file viterbi.m used in subroutine. Have been transferred pass, and to add comments!)