GPS卫星数据分析，包括C/A码分析，P1、P2码分析，D1、D2分析，周跳数据分析，图形仿真 等等，相关的数据算法 ！ 比较不错！-GPS satellite data analysis, including the C / A code analysis, P1, P2 code analysis, D1, D2, Zhou jump data analysis, graphics simulation, etc., relevant data algorithm! Quite good!

利于C#和mapxtreme开发的一个web的gis系统！利于mapxtreme实现对地图的操作，由于版权问题只提供代码供参考！不提供所用的地图，-Conducive to C# And MapXtreme developed a web-gis system! MapXtreme conducive to the realization of the map operation, due to copyright issues to provide the code for reference

c++写的车辆监控的程序，框架搭好了，核心代码也实现了。串口接收GPS数据，实时在图上显示-c++ to write the vehicle monitoring process, the framework and setting up the core code is implemented. Serial port to receive GPS data, real-time display in the map

不同的坐标系互相的转换，包括直角坐标系、GPW坐标系、北京*坐标系等-Coordinate transformation source code- GPS positioning program (C++)