sip协议的中文版本，对通信开发很有帮助。

串口的东西,用串口通讯. 用API封装的串口操作类-Serial things, using serial communications. Using API Packaging category Serial operation

通过打印口（rs232)测试pic编程器的小程序。-This is a small program to test pic progamme implements by LPT(rs232).

VFD-A内部的参数信息可供内部RS-485串行通信接口使用，设置、修改和控制交流电机驱动交流电机的运行和监视驱动电机的运行状态，增强自动化能力。

这篇文章详细介绍了CP在OFDM系统中的使用-Detailed information on CP in the OFDM system using

喜欢数学建模的朋友可以看看哦！！这里面的算法还是比较先进的！-like mathematical modeling friends can see oh! ! There"s a fairly sophisticated algorithm!

一个串口通信的例子-Example of serial communication programming.

Preface Please note this article outlines the development of mail software on platforms Pocket PC 2000 and older only. Pocket 2002 had significantly changed how mail is handled by the OS. I suggest you read the aricles available at the Pocket PC Developers Network Introduction Windows CE provides support for Email Storage as part of the core operating system (ie. its comes on the ROM chip). Microsoft provides a series of API s in the library msgstore.lib which its cal... -Preface Please note this article outlines the development of mail software on platforms P ocket PC 2000 and older only. Pocket 2002 had sig nificantly changed how mail is handled by the OS . I suggest you read the aricles available at the Pocket PC Developers Network Introduction Win dows CE provides support for Email Storage as pa rt of the core operating system (ie. its comes on the ROM chip). Microsoft provides a series of AP I"s in the library msgstore.lib which its cal

自己编写的一个聊天软件，比较简单，但很实用。-I have written a chat software is relatively simple, but very practical.

关于智能天线误码率的研究，使用智能天线后，可明显减少系统的误码率，提高通信质量-Bit error rate on the smart antenna research, the use of smart antennas can significantly reduce the system bit error rate, and improve communication quality

移动wap开发文档，英文的文档，主要是说明wap开发的规范-Mobile wap development documentation