数字通信程序。记录我针对数字通信（John.G Proakis）版本学习中编写的仿真程序。

和大家交流共同学习，其中的错误，希望大家指证！-Digital communication procedures. I look at digital communications records (John.G Proakis) version of the study prepared by simulation program. And to facilitate the exchange of learning, in which the error, hope that means the card!