新近月球重力场模型的比较与分析

钟振, 李斐, 鄢建国, 邵先远

钟振, 李斐, 鄢建国, 邵先远. 新近月球重力场模型的比较与分析[J]. 武汉大学学报 ( 信息科学版), 2013, 38(4): 390-393.
引用本文: 钟振, 李斐, 鄢建国, 邵先远. 新近月球重力场模型的比较与分析[J]. 武汉大学学报 ( 信息科学版), 2013, 38(4): 390-393.
ZHONG Zhen, LI Fei, YAN Jianguo, SHAO Xianyuan. Comparison and Analysis on Main and Newly Lunar Gravity Field Models[J]. Geomatics and Information Science of Wuhan University, 2013, 38(4): 390-393.
Citation: ZHONG Zhen, LI Fei, YAN Jianguo, SHAO Xianyuan. Comparison and Analysis on Main and Newly Lunar Gravity Field Models[J]. Geomatics and Information Science of Wuhan University, 2013, 38(4): 390-393.

新近月球重力场模型的比较与分析

基金项目: 国家自然科学基金资助项目(40974014,41174019,40904006);武汉大学中央高校基本科研业务费专项资金资助项目(122009);湖北省自然科学基金重点创新群体项目(2012FFA041)。
详细信息
    作者简介:

    钟振,博士生,主要从事类地行星重力场及其内部结构方面的研究。

  • 中图分类号: P223

Comparison and Analysis on Main and Newly Lunar Gravity Field Models

  • 摘要: 针对以往和新近高阶月球重力场模型,利用多种方式分析和比较了不同重力场模型的功率谱和自由空气重力异常,仿真计算了不同高度、不同倾角、不同重力场模型对探月卫星轨道演化的影响。所有重力场模型对近极轨卫星轨道的影响相同,均适用于近极轨卫星的精密定轨。CEGM02、SGM100h、SGM150较适用于非极轨绕月卫星的精密定轨。未来探月活动可以考虑发射非极轨卫星,进一步完善月球重力场模型。在月球重力场全球模型的基础上,使用局部球谐函数方法,可以对局部重力场进行补充,以完善全球重力场模型。
    Abstract: The power spectrum and the free air gravity anomaly of different gravity field models CEGM02, SGM100h, SGM150, LP150Q, GLGM\|3, LPE200 were analyzed. The orbits of the lunar exploration spacecrafts with different altitudes and inclinations were simulated for all the gravity fields. Results firstly show that all the models behave the same way for polar orbit satellites, which reveal that all the models can be recommended in precision orbit determination for the polar orbit satellites. But CEGM02, SGM100h and SGM150 contribute more to those non-polar orbit spacecrafts. It is accordingly suggested that those non-polar orbit spacecrafts could be launched for future lunar exploration so as to perfect the lunar gravity field model. Moreover, the lunar gravity field model will be refined by using localized spherical harmonic functions which can efficiently extract local gravity field signals.
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出版历程
  • 收稿日期:  2013-03-10
  • 修回日期:  2013-04-04
  • 发布日期:  2013-04-04

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