yixiantong

调试串口很有帮助，用windowsAPI编写，避免了com控件的局限性(help for serialport debug)

FreeSender 群发器，学习socket 编程(FreeSender mass learning socket programming)

串口程序，用于通过串口控制空调，可以在这个程序基础上修改其他代码(used for serial port)

this document gives the basics of gprs concepts in gerat detail

上位机与三菱PLC之间进行TCP/IP通讯(communication between PC and PLC)

说明：  DDE CLIENT,用于dde方式读区服务器内容(DDE Client for dde reading of server content)

说明：  基于modbus rtu封装的通讯协议，很好用(Communication protocol based on Modbus RTU encapsulation)

BPSK信号调制过程以及误码率的计算，最后结果可以用曲线图形输出(sfazvassfasczxcasafavasvasvxzxv)

用于LDPC编码译码的仿真实现。包括随机生成校验矩阵、由校验矩阵产生生成矩阵、编码、加随机噪声、译码等内容。(For LDPC codec simulation. Including randomly generated check matrix, generated by the parity check matrix generator matrix, coding, plus random noise, such as decoding.)

OPC客户端源码，可同时连接局域网内的多个OPC服务器 MFC带界面版(OPC client source code, which can connect multiple OPC servers in LAN at the same time MFC with Interface Edition)