D001

最简单的串口收发程序，全部用VC++实现，对初学VC串口通信的朋友有很大帮助，提供全部源代码，提供串口类的.CPP和.H文件。(The simplest procedure serial transceivers, all with VC++ implementation of serial communication beginner VC friend of great help, providing all the source code, to provide serial port class. CPP and. H files.)

非常简单的DTMF实现，可以解码alaw编码的音频文件，内附样本文件。(Very simple DTMF implementation, alaw encoded audio files can be decoded, enclosing a sample file.)

计算机常用数值计算算法与程序 C++版 计算机常用数值计算算法与程序 C++版(Numerical calculation of commonly used computer algorithms and procedures C++ Version of commonly used computer algorithms and numerical procedures C++ Version)

对阵列信号进行波束形成处理，并编辑界面显示，包括波束形成图和方位历程图，界面优美，有实用价值(Beamforming array signal processing and editing interface, including beamforming Figure and orientation course map, interface is beautiful, practical value)

朋友写的C++645通讯程序，支持645-1997与645-2007,支持自已组帧程序自动添加校验码通讯，可以增加数据标识定义，里面还有部分关于费控通讯代码，挺好，拿来分享(Friend write C++645 communications program to support the 645-1997 and 645-2007, to support their own group the frame program automatically adds the checksum communications, can increase data identifies the definition, there is also a section on the fee control communications code, good for them and share)

说明：  用数据库实现串口通讯的源代码，功能比较强大，值得一看。(database using serial communication source code, functions more powerful overseas.)

采用加权网络中节点强度和权重都是幂率分布的模型，双向PCS控制仿真，包含光伏电池模块、MPPT模块、BOOST模块、逆变模块。( Using weighted model nodes in the network strength and weight are power law distribution, Two-way PCS control simulation, PV modules contain, MPPT module, BOOST module, inverter module.)

usb 的开发文档，非常有参考价值 详细讲述了CY7C68013的开发过程(usb development documents, a very valuable reference for a detailed account of the development process CY7C68013)

1. 封装了基本界面控件， 是网狐平台代码界面库，可以研究研究(Encapsulates the basic interface controls, is Fox network platform code interface library, you can Study)

对于给定的两个线段，程序输出这两个线段之间的距离(For a given two line segments, the program output that the distance between two line segments)