The study on the methods of ellipsoid expansion in high-speed railway in high elevation area

Zhi Yang; HongYan Wen; GuangYu Nie; Hong Gao

doi:10.1117/12.2206220

9 December 2015 The study on the methods of ellipsoid expansion in high-speed railway in high elevation area

Zhi Yang, HongYan Wen, GuangYu Nie, Hong Gao

Proceedings Volume 9808, International Conference on Intelligent Earth Observing and Applications 2015; 98083X (2015) https://doi.org/10.1117/12.2206220
Event: International Conference on Intelligent Earth Observing and Applications, 2015, Guilin, China

Abstract

With the development of high-speed railway in recent years, the previous precision of control surveying and the methods of data processing will not meet the requirement of high-speed railway any longer. In view of the characteristics of precision is much higher in large-scale precise construction and the superiority of precision in reform of large-scale engineering control networks, in this paper, using the algorithm of ellipsoid expansion to deal with overrun coordinate projection distortion in high-speed railway, then compares with common calculation method of surveying, we get a conclusion that this method can get minimum projection and it accord with the requirement of high-precision control surveying.

Citation Download Citation

Zhi Yang, HongYan Wen, GuangYu Nie, and Hong Gao "The study on the methods of ellipsoid expansion in high-speed railway in high elevation area", Proc. SPIE 9808, International Conference on Intelligent Earth Observing and Applications 2015, 98083X (9 December 2015); https://doi.org/10.1117/12.2206220

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