中文说明：包含收发两个客户端的链路级通信程序,是信号处理的基础，仿真效率很高的，代码里有很完整的注释和解释，本科毕设要求参见标准测试模型，数学方法是部分子空间法。
English Description：
Contains the sending and receiving two client link level communication program, signal processing based, simulation efficiency is very high, the code is very complete annotated and explained, undergraduate graduation design requirements refer to the standard testing model, mathematical method is some subspace.