星基增强信号的GPS实时精密单点定位算法Algorithm of GPS real-time precise point positioning based on satellite-based augmentation signals
张文峰
摘要(Abstract):
针对现有基于网络和数据流量的实时精密单点定位应用中改正信息传播覆盖范围有限及信号延迟等问题,该文提出了一种新的基于GPS增强信号的实时精密单点定位算法。利用增强频段播发精密轨道、钟差产品有效地解决了传统改正信息传递过程中覆盖范围小与信号延迟的问题,极大地提高了实时改正产品的覆盖范围与时效性。基于亚太地区多个测站准实测数据的实验结果表明:基于LEX增强信息的实时动态和静态精密单点定位解算可分别实现分米级和厘米级的定位精度,显示了利用LEX增强信号进行实时高精度定位的可行性。
关键词(KeyWords): GPS;QZSS;LEX增强信号;实时精密单点定位
基金项目(Foundation):
作者(Author): 张文峰
DOI: 10.16251/j.cnki.1009-2307.2018.08.010
参考文献(References):
- [1]CHOY S,BISNATH S,RIZOS C.Uncovering common misconceptions in GNSS precise point positioning and its future prospect[J].GPS Solutions,2017,21(1):13-22.
- [2]刘经南,叶世榕.GPS非差相位精密单点定位技术探讨[J].武汉大学学报(信息科学版),2002,27(3):234-240.(LIU Jingnan,YE Shirong.GPS precise point positioning using undifferenced phase observation[J].Geomatics and Information Science of Wuhan University,2002,27(3):234-240.)
- [3]张小红,刘经南,RENE F.基于精密单点定位技术的航空测量应用实践[J].武汉大学学报(信息科学版),2006,31(1):19-22,46.(ZHANG Xiaohong,LIU Jingnan,RENE F.Application of precise point positioning in airborne survey[J].Geomatics and Information Science of Wuhan University,2006,31(1):19-22,46.)
- [4]严义强.GPS精密单点定位解算软件的研发[J].矿山测量,2017,45(1):85-87.(YAN Yiqiang.Research and development of GPS precise point positioning solution software[J].Mine Surveying,2017,45(1):85-87.)
- [5]段杰,杜向锋.精密单点定位技术在高精度GPS网数据处理中的应用探讨[J].测绘科学,2011,36(4):181-182,21.(DUAN Jie,DU Xiangfeng.A discussion about high-precision GPS data processing by precise point positioning[J].Science of Surveying&Mapping,2011,36(4):181-180,21.)
- [6]涂锐,黄观文,凌晴.GPS单频精密单点定位的研究实现[J].测绘科学,2011,36(3):68-69,72.(TU Rui,HUANG Guanwen,LING Qing.Precise point positioning of GPS single frequency[J].Science of Surveying&Mapping,2011,36(3):68-69,72.)
- [7]易重海,陈永奇,朱建军,等.一种基于IGS超快星历的区域性实时精密单点定位方法[J].测绘学报,2011,40(2):226-231.(YI Zhonghai,CHEN Yongqi,ZHU Jianjun,et al.An approach to regional real time precise point positioning based on IGS ultra-rapid orbit[J].Acta Geodaetica et Cartographica Sinica,2011,40(2):226-231.)
- [8]CHEN K.Real-time precise point positioning and its potential applications[C]∥Proceedings of the 17th International Technical Meeting of the Satellite Division of the Institute of Navigation.Manassas,VA,USA:the Institute of Navigation Inc.,2004:1844-1854.
- [9]刘志强,王解先.广播星历SSR改正的实时精密单点定位及精度分析[J].测绘科学,2014,39(1):15-19,109.(LIU Zhiqiang,WANG Jiexian.Realization and analysis of real-time precise point positioning based on SSR broadcast ephemeris corrections[J].Science of Surveying&Mapping,2014,39(1):15-19,109.)
- [10]TOMASZ H.GNSS-warp software for real-time precise point positioning[J].Artificial Satellites,2015,50(2):59-76.
- [11]ALTINER Y,MERVART L,SOEHNE W,et al.Realtime PPP results from global orbit and clock corrections[C]∥EGU General Assembly.Vienna:[s.n.],2010:11969.
- [12]CHOY S,HARIMA K,LI Y,et al.Real-time precise point positioning utilising the Japanese quasi-zenith satellite system(QZSS)LEX corrections[C]∥IGNSS Symposium 2013.Tweed Heads,Australia:International Global Navigation Satellite Systems Society,2013:1-15.
- [13]HEBELBARTH A,WANNINGER L.SBAS orbit and satellite clock corrections for precise point positioning[J].GPS Solutions,2013,17(4):465-473.
- [14]CHOY S,HARIMA K,LI Y,et al.GPS Precise Point positioning with the japanese quasi-zenith satellite system LEX augmentation corrections[J].Journal of Navigation,2015,68(4):769-783.
- [15]楼益栋,郑福,龚晓鹏,等.QZSS系统在中国区域增强服务性能评估与分析[J].武汉大学学报(信息科学版),2016,41(3):298-303.(LOU Yidong,ZHENG Fu,GONG Xiaopeng,et al.Evaluation of QZSS system augmentation service performance in China region[J].Geomatics and Information Science of Wuhan University,2016,41(3):298-303.)
- [16]KOGURE S,KISHIMOTO M,SAWABE M,et al.Introduction of IS-QZSS:interface specification for quasi zenith satellite system[C]∥Proceedings of the 20th International Technical Meeting of the Satellite Division of the Institute of Navigation.Manassas,VA,USA:the Institute of Navigation Inc.,2007:3008-3014.