The improvement and the effect of IERS conventions (2003)

Na Wei; Chuang Shi; Min Li; Zou Rong

doi:10.1117/12.816223

29 December 2008 The improvement and the effect of IERS conventions (2003)

Na Wei, Chuang Shi, Min Li, Zou Rong

Proceedings Volume 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA); 72851R (2008) https://doi.org/10.1117/12.816223
Event: International Conference on Earth Observation Data Processing and Analysis, 2008, Wuhan, China

Abstract

The new generation of space datum in China should comply with the latest IERS (International Earth Rotation and Reference System Service) convention as much as possible. This paper has deeply addressed and researched the main improvements of the current version IERS Conventions (2003), including the changes of the Terrestrial Reference System, the Celestial Reference System, and the transformation between them, the tide correction and so on, which would undoubtedly benefit the realization and maintenance of our space datum. Based on PANDA (Position And Navigation Data Analyst) software developed by GNSS Center of Wuhan University, we analyzed the effect of improvements of the IERS Conventions (2003) on precise orbit determination and precise positioning. The results show that the effect of improvements of models of the coordinate transformation between the celestial and the terrestrial reference system and tide correction (including solid earth tide, ocean tide and polar tide) on precise orbit determination are 4mm, 9mm and 5mm in terms of RMS in along, cross and radial direction of the track; and the effect of the improvement of the tide models on positioning is basically under 0.6mm, and the RMS of the differences are 0.3mm, 0.3mm and 0.2mm in X, Y and Z.

Citation Download Citation

Na Wei, Chuang Shi, Min Li, and Zou Rong "The improvement and the effect of IERS conventions (2003)", Proc. SPIE 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA), 72851R (29 December 2008); https://doi.org/10.1117/12.816223

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KEYWORDS

Solids

Chromium

Motion models

Global Positioning System

Software development

Geodesy

Satellite navigation systems

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