GIPSY数据处理示例
GPS精密定位（PPP，RTK，SBAS，Ntrip等）
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PRIDE PPP-AR
PRIDE PPP-AR 源于葛茂荣教授在PPP-AR领域所做的研究，后来由耿江辉教授团队进一步开发完善。这是一款基于武汉大学卫星导航定位技术研究中心众多科研人员共同工作成果的开源软件，我们在此感谢所有人为这款软件所做出的奠基性贡献。这一版本的软件不再使用任何保护性的模块，软件完全开放且更为简化，功能也更强大，性能也更稳定。我们将其开源，是希望为高精度GNSS研究人员提供一个基础支撑平台，同时也可以促进PPP-AR在大地测量和地球科学方面的应用。PRIDE PPP-AR 软件受国家自然科学基金（42025401）的资助和国际大地测量学会4.4分委员会的支持。
主页地址：http://pride.whu.edu.cn/downLoad.shtml?newskindid=201902280930310088zc7U8KekH4x3
软件使用相关：
http://pride.whu.edu.cn/downLoad.shtml?newskindid=20210121093902438FHab1fIaf3C2J&tz=
课程回放：
https://www.koushare.com/video/videodetail/31660
高频北斗GNSS精密数据处理理论
PRIDE PPP-AR软件和使用介绍
PRIDE PPPAR操作视频
处理软件：
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Geng J, Wen Q, Zhang Q, Li G, Zhang K (2022) GNSS observable-specific phase biases for all-frequency PPP ambiguity resolution. J. Geod. 96, 11. doi:10.1007/s00190-022-01602-3
Geng, J., Chen, X., Pan, Y. & Zhao, Q. (2019a). A modified phase clock/bias model to improve PPP ambiguity resolution at Wuhan University. Journal of Geodesy, 93(10), 2053-2067.
Geng, J., Chen, X., Pan, Y., Mao, S., Li, C., Zhou, J., Zhang, K. (2019b) PRIDE PPP‑AR: an open‑source software for GPS PPP ambiguity resolution. GPS Solutions 23:91 doi:10.1007/s10291-019-0888-1.
Geng J, Yang S, Guo J. Assessing IGS GPS/Galileo/BDS-2/BDS-3 phase bias products with PRIDE PPP-AR[J]. Satellite Navigation, 2021, 2(1): 1-15.
Geng J, Mao S. Massive GNSS network analysis without baselines: Undifferenced ambiguity resolution. J. Geophys. Res. 2021, 126(10), e2020JB021558. doi:10.1029/2020JB021558
PPPLib: An open-source software for precise point positioning using GPS, BeiDou, Galileo, GLONASS, and QZSS with multi-frequency observations
by Chao Chen(1,2), Guobin Chang(1,2)
1 NASG Key Laboratory of Land Environment and Disaster Monitoring, China University of Mining and Technology, Xuzhou 221116, China
2 School of Environmental Science and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China
Abstract: Precise Point Positioning Library (PPPLib) is a multi-GNSS data processing software designed to process multi-frequency data from GPS, BeiDou, Galileo, GLONASS, and QZSS. PPPLib is written in the C/C++ programming language. It can compile and run on both Linux and Windows operating systems. PPPLib mainly performs precise point positioning from single- to triple-frequency based on either ionosphere-free or uncombined observations. Moreover, it solves for abundant parameters including position, tropospheric delay, ionospheric delay, and ambiguity information. Useful scripts and visualization tools are also provided for data download, batch processing, or solution presentation. We give a preliminary review, including positioning accuracy and convergence time of PPP using dual-frequency, ionosphere-free from single-system to multi-GNSS, to show the working status of current version of the software. In addition, the software also supports post-processing kinematic mode and INS/GNSS loosely coupled mode for realtime kinematic positioning.
The technical paper that describes this software is in press.
Zip file with C/C++ code, scripts, tools, sample data, and documentation. (PPPLib.zip)
