介绍VB下MAPX实现的二次搜索查询，MapX+VB的源代码和结果图形界面...

最短路径分析的控件,首先使用regsvr32 程序注册该动态连接库,然后在vb中直接使用该动态链接库.程序中有相关说明,具体文件可以查看相关程序.-shortest path analysis controls, the first to use regsvr32 procedures for the registration of the dynamic link library, and then vb direct use of the dynamic link library. Procedures are related note, can view specific documents related procedures.

编程实现对GPS通讯信息的采集方法，将接收到的数据进行语义的解析，并在LCD上显示 当前的地理位置信息。 -Programming of the GPS communications and information collection methods, will receive the data semantic parsing, and the LCD displays the current location information.

经PPM调制的超宽带信号经高斯白噪声信道的系统仿真,给出了时域和频域图-After the PPM modulation ultra-wide band signal after the Gauss white noise channel system simulation,and give the time domain and the frequency range chart!

移动设备GIS开发包 是免费的可在ARM X68平台上开发-GIS Development Kit for mobile devices is free of charge in the ARM X68 platform

WAP博客系统，简便简单，实用的。基本组成只有不到10个页面，初学者学习是非常好的。-WAP blog system, easy simple and practical. Elements less than 10 pages, beginners learning is very good.

基于JT/T808 协议及数据格式的GPS终端模拟程序，符合交通部的例子，可以参考

gps 卫星位置的计算 坐标系转换 功能很强大，适合工程人员使用-gps satellite position calculation, coordinate system conversion, function is powerful and suitable for use by project team members

用Matlab仿真turbocode的算法，即编码结构-using Matlab turbocode algorithm, namely coding structure

北京市矢量地图

GPS中NEMA协议的校验值的计算，一字节模和计算工具。用于校验和计算。