A Real Time Regional Zenith Troposphere Delay Model and Its Application in PPP

doi:10.13474/j.cnki.11-2246.2018.0100

Abstract

Abstract:

The real time regional zenith troposphere delay model is introduced by using the inverse distance weighted interpolation method.We assess its influence on the accuracy and convergence time of precise point positioning statistically.The result shows that the ZTD estimation and model calculation can achieve the same horizontal accuracy,but the model corrected PPP improves the vertical accuracy by 5 cm.Furthermore,the convergence time can be reduced obviously with model correction.Validation shows that the real time regional zenith tropospheric delay model introduced in this paper can effectively speed up the convergence of PPP and improve the positioning accuracy.

Key words: inverse distance weighted interpolation method, PPP, positioning accuracy, convergence time, regional zenith troposphere delay model

CLC Number:

P228

SONG Jia, LI Min, ZHAO Qile, DAI Zhiqiang. A Real Time Regional Zenith Troposphere Delay Model and Its Application in PPP[J]. 测绘通报, 2018, 0(4): 1-5,15.

References

[1] ZUMBERGE J F,HEFLIN M B,JEFFERSON D C,et al.Precise Point Positioning for the Efficient and Robust Analysis of GPS Data from Large Networks[J].Journal of Geophysical Research(Solid Earth),1997,102(B3):5005-5017.
[2] 李征航,黄劲松.GPS测量与数据处理[M].武汉:武汉大学出版社,2010:162.
[3] GAO Y,CHEN K.Performance Analysis of Precise Point Positioning Using Real-time Orbit and Clock Products[J].Positioning,2004,3(1-2):95-100.
[4] 江楠,徐天河,许艳.基于IGS区域网的卫星钟差实时估计及PPP精度分析[J].大地测量与地球动力学,2013,33(5):44-48.
[5] ALTINER Y,MERVART L,SOEHNE W,et al.Real-time PPP Results from Global Orbit and Clock Corrections[J].Egu General Assembly,2010(12):11969.
[6] CAISSY M,AGROTIS L,WEBER G,et al.The International GNSS Real-time Service[J].GPS World,2012,23(6):52.
[7] 殷海涛,黄丁发,熊永良.GPS信号对流层延迟改正新模型研究[J].武汉大学学报(信息科学版),2007,32(5):454-457.
[8] SHI Junbo,XU Chaoqian,GUO Jiming,et al.Local Troposphere Augmentation for Real-time Precise Point Positioning[J].Earth,Planets and Space,2014. DOI:10.1186/1880-5981-66-30.
[9] HADAS T,KAPLON J,BOSY J,et al.Near-real-time Regional Troposphere Models for the GNSS Precise Point Positioning Technique[J].Measurement Science and Technology,2013,24(5):055003.
[10] 张小红,朱峰,李盼,等.区域CORS网络增强PPP天顶对流层延迟内插建模[J].武汉大学信息学报(信息科学版),2013,338(6):679-683.
[11] 钱闯,何畅勇,刘晖.基于球冠谐分析的区域精密对流层建模[J].测绘学报,2014,43(3):248-256.
[12] 叶世榕,张双成,刘经南.精密单点定位方法估计对流层延迟精度分析[J].武汉大学学报(信息科学版),2008,33(8):788-791.
[13] 戴吾蛟,陈招华,匡翠林,等.区域精密对流层延迟建模[J].武汉大学学报(信息科学版),2012,36(4):392-396.

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