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Precision Verification for Inverse Solution with Simple Formulas in The New Form of Geodetic Coordinate System
Author(s): 
Pages: 48-51
Year: Issue:  4
Journal: Geotechnical Investigation & Surveying

Keyword:  新型大地坐标系 大地主题反解 长度归化因子 简易式;
Abstract: 为验证由新大地主题反解简易式求解大地线长度和方位角的实际精度,用大地主题反解的相应结果来进行比较和分析,证实在不算小的范围内已能达到较高的解算精度。若要进一步扩大新型大地坐标系的适用范围,在采用反解简易式时,则须由大地纬度来得出更精确的长度归化因子。理论分析和数据计算都证实,这样不仅因消除了归化因子计算值的近似性而提高了解算精度,而且它也不再与坐标原点所在位置相关,从而亦使新型大地坐标系的适用范围有所扩大。
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