NEMA协议校验值的计算

Lessons Learnt in Assisted GPS

采集gps位置工具，可以快速定位查询，带源码-Gathering gps location tool, with source code

Win98,Winme,Winnt,Winxp,Win2003 VC+mapX开发GPS车辆监控的源码-Win98, Winme, WINNT, Winxp, Win2003 VC mapX development of the GPS vehicle monitoring FOSS

gprs通信对数据进行校验,本程序能够精确校验GPRS数据-gprs data communications check, the program can accurately check GPRS data

linux下获取uart设备，文件，实时读取gps模块信息，转成可识别的位置信息。

上一个的继续,连续有九个压缩文件,大家可以打开解压后自己慢慢享用,这个都是本人调试通过了的,希望共同进步!-A continuation of a row has nine compressed file, everyone can open their own after extracting slowly to enjoy, this is my debug adopted, and I hope common progress!

在GPS定位算法中会涉及到时间系统与坐标系统之间的转换，本程序实现了在GPS定位过程中的时间，如何将UTC时间转换为GPS时间

matlab软件仿真超宽带物理层的实现 。-matlab software simulation of UWB physical layer implementations.

Set of tools to perform transformations between projection, ellipsoidal and cartesian coordinates in either direction. -Set of tools to perform transformations be tween projection. ellipsoidal and cartesian coordinates in eith er direction.

组件用于 GPS NMEA 协议。Delpgi 7-RAD XE3.这样就可以获得 сomponet 瓜 NMEA 协议。协调全球定位系统，实现时间同步等。