月球形状及其重力场

The lunar shape and its gravity field

本文首先从测绘科学与技术在月球探测中的应用角度,对月球形状及重力场的研究进展、获取方法及代表性成果进行了综述;进而针对现有的月球DEM及重力场模型中存在的主要问题进行分析,并提出了解决方案;最后结合各国的探月计划和我国正在实施的“嫦娥”四期工程,对月球形状和重力场研究面临的机遇和挑战进行了展望。

This paper reviews the research progress,acquisition methods and representative results of lunar shape and its gravity field from the perspective of the application of surveying and mapping science and technology in lunar exploration.Moreover,the main problems and proposed solutions in the existing lunar DEM and gravity field models are presented.Finally,the opportunities and challenges in lunar shape and its gravity field research are prospected in the perspective of the lunar exploration programs of other countries and the ongoing fourth step of Change project in China.