YNAO OpenIR  > 应用天文研究组
Thesis Advisor熊耀恒 ; 缪元兴
Degree Grantor中国科学院研究生院(云南天文台)
Place of Conferral北京
Degree Discipline天体测量与天体力学
Keyword轨道改进 摄动计算 中误差
Abstract解析定轨法的优点是计算速度快,六个轨道根数因各种摄动因素而产生的变化项物理意义明确,在航天器轨道设计,星座设计和轨道稳定性研究中有重要的应用意义。 文中给出了人造地球卫星轨道计算的一种解析方法,编写程序并建立了一套解析法定轨软件,软件在定轨迭代收敛后,残差的均方根误差在 左右,资料使用率超过80%,这说明定轨结果与观测数据的拟合程度很好;软件的定轨方案中摄动计算考虑了地球引力场非球形摄动的 J2, J3,J4 的长期项,长周期项, J2短周期项,大气阻力,太阳光压及日月引力摄动的长期项。初始根数改正量估计采用微分轨道改进算法。
Other AbstractAdvantage of analytical method is fast processing and the physical character of variations of the six orbital elements that due to various perturbations are clearly. So it also has important practical significance in the satellite orbits design, constellation design and orbital stability research. This paper introduces an analytical method of orbit improvement of artificial satellite. After constringency, the root-mean square error is approximately and more than 80% data are used. It means that the fitting result of orbital determination and observational data is good. In the perturbation calculation, the perturbation form long and long periodical terms of J2, J3 and J4 due to non-spherical Earth of gravity field, the short term of J2, as well as long terms of atmospheric drag, solar radiation pressure and lunisolar effects are considered. The arithmetic of differential orbit improvement is used in the corrected estimation of initial elements.
Subject Area天文学
Document Type学位论文
Recommended Citation
GB/T 7714
彭恢全. 一种解析定轨方法[D]. 北京. 中国科学院研究生院(云南天文台),2007.
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