卫星星空图显示

Least-squares searching for receiver position.Given 4 or more pseudoranges and ephemerides.

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。

This a GPS communication source code to interrupt the NMEA code though serial port. Very good code to study and apply it to your own program.-This is a GPS communication source code to interrupt the NMEA code though serial port. Very good code to study and apply it to your own program.

AT命令祥解，介绍GPS命令的格式及使用方法-AT command祥解to introduce the GPS command and how to use the format

跟踪全球定位系统启用谷歌地图手机。项目包括J2ME的手机源和源代码，以显示自己的网站上的数据。-Track a GPS enabled cell phone on Google maps. Project includes J2ME cell phone source and source code to display data on your own website.

PN码生成程序,可以生成L1波段的GOLD扩频码.修改抽头位置可以改变其对应的卫星号.-PN code generation process, generate L1 band GOLD spreading codes. Tap changes its location can be changed, the corresponding satellite.

可以接收NMEA-0183格式的GPS数据自动化搜索本枸的GPS接口-can receive NMEA- 0183 format of the GPS data automation of the search interface GPS Citrus medica

基于安卓的GPS定位开发源代码，java语言，解压之后直接导入就行了。

有关GPS GDOP度量分析的一文章，有兴趣的朋友可以下载看看！希望会有所帮助。-GPS GDOP metric related to the analysis of one article, interested friends can download to see! Hope will be helpful.

在利用GPS卫星进行单点定位过程中，需要进行电离层与对流层等误差的计算以及卫星高度角的计算，卫星高度角越高受观测误差就相对较小，本程序采用高度角随机模型加权，电离层采用K8模型加以改正，希望对GPS研究的朋友有帮助。