Coordinate system applied to magnetic suspension project between Shanghai and Hangzhou

2008, Volume 2, Issue 3

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Frontiers of Structural and Civil Engineering >> 2008, Volume 2, Issue 3 doi: 10.1007/s11709-008-0041-7

Coordinate system applied to magnetic suspension project between Shanghai and Hangzhou

1.Department of Surveying and Geoinformatics, Tongji University; Key Laboratory of Modern Engineering Surveying, State Bureau of Surveying and Mapping; 2.Department of Surveying and Geoinformatics, Tongji University;

Available online: 2008-09-05

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Abstract

In order to satisfy the requirement for route location of a magnetic suspension project between Shanghai and Hangzhou, this paper proposes to adopt a new form of geodetic coordinate system, which is defined by meridians and parallel circles but with two coordinate parameters expressed by length. Not only the coordinate systems for route location along the whole line can be unified, but also the precision of lengths and angles obtained from simple formulas are very high and there are not any map projection distortions. This has been proven by calculation.

Keywords

requirement ; projection ; calculation ; Shanghai ; precision

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