VB写的通过串口与考勤机连接通讯的程序

提供通讯录成员的查询、增加、更新及删除等功能。(Provide contacts membership query, add, update, and delete functions.)

光源布局优化蒙特卡洛算法仿真等等对于平面估计定位精度提高(Simulation of light source layout optimization Monte Carlo algorithm and so on for improving the accuracy of plane estimation)

this document gives the basics of gprs concepts in gerat detail

TCH全速率，实现把源码发送并利用纠错和交织保护来保护源码(TCH full rate, realize the source code to send and the use of error correction and interwoven protection to protect the source code)

说明：  Mamul for connecting 840D SL system by OPC

实现windows和linux之间的通信 或者 window间通信 linux间通信(Communication between windows and Linux or communication between Linux communication between window)

串口通信工具，简单实用支持多速录。串口通信工具，简单实用支持多速录。(serial communication)

GSM进行拨号的测试程序，半酣多种文件格式(GSM dial-up test procedures,)

OPC Client和OPC Server的工具和一些帮助，(OPC Client and OPC Server tools and some help)

一个GPRS开发的例子，稍做修改，就可用在自己的项目中(The development of a GPRS example, some small modifications, you can use in their own projects)