| 联合串行式和钟摆式卫星编队精确建立下一代HIP-3S地球重力场模型 |
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| 引用本文： | 郑伟,许厚泽,李钊伟,吴凡.联合串行式和钟摆式卫星编队精确建立下一代HIP-3S地球重力场模型[J].地球物理学报,2017,60(8):3051-3061. |
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| 作者姓名： | 郑伟 许厚泽 李钊伟 吴凡 |
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| 作者单位： | 1. 中国空间技术研究院钱学森空间技术实验室, 北京 100094;2. 中国科学院测量与地球物理研究所大地测量与地球动力学国家重点实验室, 武汉 430077 |
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| 基金项目： | 国家自然科学基金面上和重点项目（41574014，41131067，11572168）、中央军委科技委前沿科技创新项目、中国空间技术研究院杰出青年人才基金、中国航天科技集团航天系统发展中心基金、中国航天科技集团钱学森空间技术实验室自主创新基金、中国科协学术会议示范品牌建设工程项目（2017XSHY006）联合资助. |
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| 摘 要： | 第一,基于扰动星间距离观测量对地球重力场反演精度的敏感性优于星间距离观测值的特性,本文构建了新型扰动星间距离法(DIRM).第二,有效检验了下一代HIP-3S编队的轨道稳定性,结果表明:HIP-3S编队较稳定,有利于提高地球重力场反演精度.第三,基于扰动星间距离法,分别利用当前GRACE-2S串行式双星编队和下一代HIP-3S复合式三星编队精确反演了120阶地球重力场,在120阶处累计大地水准面精度为2.271×10~(-1)m和1.923×10~(-3)m,结果表明:HIP-3S复合式三星编队有利于建立下一代高精度和高空间分辨率的地球重力场模型.
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| 关 键 词： | 扰动星间距离法 Hybrid-Inline-Pendulum-3S编队 轨道稳定性 南北条带误差 卫星重力反演 |
| 收稿时间： | 2016-08-22 |
Precise establishment of the next-generation Earth gravity field model from HIP-3S based on combination of inline and pendulum satellite formations |
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| ZHENG Wei,XU Hou-Ze,LI Zhao-Wei,WU Fan.Precise establishment of the next-generation Earth gravity field model from HIP-3S based on combination of inline and pendulum satellite formations[J].Chinese Journal of Geophysics,2017,60(8):3051-3061. |
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| Authors: | ZHENG Wei XU Hou-Ze LI Zhao-Wei WU Fan |
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| Institution: | 1. Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology, Beijing 100094, China;2. State Key Laboratory of Geodesy and Earth's Dynamics, Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan 430077, China |
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| Abstract: | Because the sensitivity of the disturbing intersatellite range measurements to the recovery accuracy of the Earth's gravitational field is superior to that of the intersatellite range measurements, the observation equation of a new Disturbing Intersatellite Range Method (DIRM) is created in this study. Then the orbital stability of the next-generation Hybrid-Inline-Pendulum-Three-Satellite (HIP-3S) formation is efficiently verified. The research indicates that the HIP-3S formation is sufficiently steady for further enhancing the accuracy of the future Earth gravity field model. Finally, the Earth's gravitational field complete up to degree and order 120 is precisely recovered by the current GRACE-2S inline formation and the next-generation HIP-3S combined formation based on the new DIRM. The cumulative geoid height errors are 2.271×10-1m and 1.923×10-3 m at degree 120, respectively. The study results show that the future HIP-3S formation is helpful for producing the next-generation Earth gravity field model with higher accuracy and spatial resolution. |
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| Keywords: | Disturbing inter-satellite range method Hybrid-Inline-Pendulum-3S formation Orbital stability North-south striping error Satellite gravity recovery |
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