利用Poisson积分推导Hotine函数及Hotine公式应用问题
Derivation of Hotine Function Using Poisson Integral and Application of Hotine Formula
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摘要: 给出一种直接利用改进的Poisson积分确定Hotine函数的推导,其中不包括函数的零阶和一阶项。讨论了Hotine公式在陆地和海洋局部重力场逼近中的应用问题。Abstract: This paper presents an approach to directly use the modified Poisson integral to derive Hotine function in which those harmonic terms are excluded.Finally,the application of Hotine formula to a local gravity field approximation over land or ocean areas is discussed.