一个简单的SIPproxy，拿来给大家用，很多终端都能注册

又一个来电显示程序-Another phone-income viewing program.

RS232口通讯，DELPHIc程序-RS232 communication port, DELPHIc procedures

串口动态连接库，使用Windows API-Serial dynamic link library, the use of the Windows API

此过程 软件 用来发送 一个文本文件 含 标签 要打印 到打印机、 复制 一个文本文件

vb写的tapi拨号程序-Tapi dialing program writed by vb

它能够把MATLAB的应用程序直接转变成Windows COM组件。MATLAB COM BUILDER给用户提供了另外一种代码重用以及程序发布的方式，它使得MATLAB应用程序更加容易发布和配置。-It is able to MATLAB application directly into a Windows COM components. MATLAB COM BUILDER provides the user with another code reuse, and procedures issued by way, it makes it easier to publish MATLAB applications and configuration.

雷达直达波和目标回波之间抵消，两个信号一强一弱，既可以抵消强信号，也可以抵消弱信号-Radar direct wave and the target echo offset between the two signals a strong one weak, only to be offset by a strong signal, you can also offset the weak signal

the effect of Rayleigh fading in wireless channel, wireless project, for garduate course hope this code be usefull for those peaple who wants to see rayleigh fading effect.

modbus 通讯协议文档，详细描述了RTU、ASCII两种模式下，数据格式。-modbus connection communication protocol document, a detailed description of RTU, both ASCII mode, data format.