中国来电显示标准，为DTMF数据传送格式的，中国国标。

NavSys是一个组合 Ogg播放机和GPS应用程序，在交通工具中，它被用作导航系统和集成音频系统-NavSys Ogg is a combination of players and GPS applications, in transport, it was used for navigation systems and integrated audio system

ADPCM 4:1 coder and decoder

通信相关知识：短波、扩频、移动-communications related knowledge : shortwave, spread spectrum, mobile

无线网络设备天线设计相关,对设计无限射频网络的朋友有帮助。-antenna antennaantennaantennaantennaantennaantennaantennaantenna

列出系统中TAPI设备及其具备的能力-System TAPI list of equipment and its capability of the

对线性均衡、判决反馈均衡和最大似然序列估计均衡等三种方法的实现和误码率的分析。-Of linear balanced, decision feedback equalizer and maximum likelihood sequence estimation of three methods such as balanced realization and BER analysis.

PC-MCU串行通信的应用设计方法-PC-MCU Serial Communication Application Design

一个简单的通信程序-program

本文介绍一种新型的基于消息队列的重复型服务器通信软件的设计方法,不同于并发型服务器和一般的重复型服务器通信软件，这种新的软件具有生成的子进程数少的优点，并且轻易对客户机与服务器的连接进行治理，适用于客户机数量较多和随机数据通信的情况，能够有效地提高服务器的运行效率。 -This article describes a new type of duplication based on the message queue server-based communication software design methods, and hair is different from the server and repeat the general type of server software, this new generation of software with a subset of a few of the advantages of the process, and easily client and server for the connection management, applicable to the client a larger number and random data communications, can effectively improve the efficiency of servers.

VISUAL C++ 开发的一个简单局域网聊天工具源代码-VISUAL C++