map-matching

OPNET上实现的原码，与卫星通信有关，有兴趣的可以下载(OPNET to achieve the original code, relating to satellite communications, are interested in can be downloaded)

WGS84到北京54的坐标转换程序，7参数空间相似变换模型。(WGS84 cordinate system transform to Beijing 54 corninate system program, which use 7 parameters space simar transform model.)

DirectX 9.0 3D游戏开发编程基础源代码 初始化Direct3D,绘制流水线，光照，纹理映射，融合，网格，粒子系统，着色器(DirectX 9.0 3D Game Development Programming source code Initializing Direct3D, drawing line, light, texture mapping, integration, grid, particle systems, shaders)

c++程序,对串口操作，数据对串口的收发(c++, on the serial port operation)

实现了GPS专业的读取精密钟差文件的功能，并且可以根据时间内插卫星的钟差(Achieve a professional GPS precision clock error file read function, and can be inserted according to the time difference between the satellite clock)

exercis on osg programing in visuel basic c++

说明：  DirectDraw编程方法与技巧.pdf(DirectDraw programming methods and techniques. Pdf)

利用Qt实现了自动打开图像的UI界面，利用了OPENCV库(Achieved using Qt UI interface automatically open the image, use the OPENCV library)

很好的窗口阴影的实现, 支持MFC或SDK, 类已经封装好.(The realization of the shadow of the window well to support MFC or SDK, class has a good package.)

这是一个测试UDP数据包的丢包率的程序，包含程序源码，已经验证成功(This is a test UDP packet loss rate of the program, including program source code, has been successfully verified)