Research on the estimation method for Earth rotation parameters

Yibin Yao

doi:10.1117/12.816263

29 December 2008 Research on the estimation method for Earth rotation parameters

Yibin Yao

Proceedings Volume 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA); 72851T (2008) https://doi.org/10.1117/12.816263
Event: International Conference on Earth Observation Data Processing and Analysis, 2008, Wuhan, China

Abstract

In this paper, the methods of earth rotation parameter (ERP) estimation based on IGS SINEX file of GPS solution are discussed in details. To estimate ERP, two different ways are involved: one is the parameter transformation method, and the other is direct adjustment method with restrictive conditions. With the IGS daily SINEX files produced by GPS tracking stations can be used to estimate ERP. The parameter transformation method can simplify the process. The process result indicates that the systemic error will exist in the estimated ERP by only using GPS observations. As to the daily GPS SINEX files, why the distinct systemic error is exist in the ERP, or whether this systemic error will affect other parameters estimation, and what its influenced magnitude being, it needs further study in the future.

Citation Download Citation

Yibin Yao "Research on the estimation method for Earth rotation parameters", Proc. SPIE 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA), 72851T (29 December 2008); https://doi.org/10.1117/12.816263

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