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Conversion of Earth-centered Earth-fixed coordinates to geodeticcoordinates

机译:将以地球为中心的地球固定坐标转换为大地坐标

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摘要

The transformations between Earth-centered Earth-fixed (ECEF) coordinates and geodetic coordinates are required in many applications, for example, in NAVSTAR/GPS navigation and geodesy. The transformation from ECEF coordinates to geodetic coordinates is usually carried out by approximation methods in practice, and the exact transformation methods are not used frequently. In this paper, several exact transformation formulas from ECEF coordinates to geodetic coordinates are reviewed and compared with the approximation methods in complexity and in sensitivity to computer round-off error. The relationship among some exact transformation solutions and the approaches are pointed out
机译:在许多应用中,例如在NAVSTAR / GPS导航和大地测量中,都需要在以地球为中心的地球固定(ECEF)坐标和大地坐标之间进行转换。从ECEF坐标到大地坐标的转换通常在实践中通过近似方法进行,确切的转换方法并不经常使用。本文回顾了几种从ECEF坐标到大地坐标的精确转换公式,并与复杂性和对计算机舍入误差的敏感性的近似方法进行了比较。指出了一些精确的变换解与方法之间的关系。

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