月球地形测绘和月球大地测量(5)Topography surveying and geodesy on the moon (5)
陈俊勇
摘要(Abstract):
主要介绍月球地形测绘和月球大地测量的情况。第一部分论述了月球大地测量(Selenodesy)的定义和方法。月球大地测量的一个特点是它的观测数据绝大部分都要依靠航天探测器或环月、绕月卫星来获取。月球大地测量的内容可以考虑有三个方面:一是在月球上给出一个有确定定义的坐标参考系,并在其中布测一个控制网;二是确定这一月球参考系的大地测量几何和物理常数;三是求定月球的外部重力场。第二部分介绍月球地形测绘。重点介绍了月球地形的特点,它大体分为月海、月陆、环形山等三种类型。
关键词(KeyWords): 月球大地测量;月球坐标参考系;月球的大地测量常数;月球重力场;月球地形测绘
基金项目(Foundation):
作者(Author): 陈俊勇
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