这个是程序用到的四颗可见星的所用的所有信息。其中给出7个可见星的信息，选则其中最好的四颗。请把信息内容复制到.txt中。...

用matlab编辑的关于超宽带通信的BPSK调制的误码率分析,系统仿真时加入高斯白噪声,仿真结果给出了时域和频域图-BER analysis of the ultra wide bank BPSK communication channel with AWGN, time and spectrum figures are given in the end.

SIM868+STM32的定位代码,GPS,GPRS,并实现定位数据上传到OneNet平台，实现轨迹回放功能。

使用GSM传递卫星定位信息的源代码,适用于C51系列单片机.-The use of GSM transmit satellite positioning information source code, applies to C51 MCU.

GPS相关工具，包括Angle Conversions，Coordinate Transformations，Date Conversions等程序组-GPS-related tools, including Angle Conversions, Coordinate Transformations, Date Conversions procedures Group, etc.

基于Internet的水利工程地理信息系统开发-Internet-based Geographic Information System water project development

大名顶顶的gpsd，很多开源软件都用的，与gps硬件进行通讯-顶顶name of gpsd, a lot of open source software are used with the gps hardware communications

一个GPS网WGS_84平差坐标向地方独立坐标的转换文档，比较全-A GPS network adjustment WGS_84 independent coordinates to local coordinates of the conversion document, compare the whole

gps matlab 仿真程序（A collection of geodetic functions that solve a variety of problems in geodesy. Supports a wide range of common and user-defined reference ellipsoids. Most functions are vectorized.）-gps matlab simulation program (A collection of geodetic functions that solve a variety of problems in geodesy. Supports a wide range of common and user-defined reference ellipsoids. Most functions are vectorized.)

H31GPSTest2007-06-09.rar自动查找GPS端口的一个测试程序-H31GPSTest2007-06-09.rar automatic search of a GPS port testing procedures

该程序是mobile５.0　ppc２００３系统下的，走http协议，通过无线网络的客户端升级程序．需要做在客户端升级的同仁们，可以参考一下．-The program is mobile5.0 ppc2003 systems and take the http protocol, through a wireless network client upgrade process. Does the client need to upgrade their Tongren, you can reference.