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天基对地打击武器空间机动过程分析 被引量:3
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作者 张洪波 郑伟 汤国建 《飞行力学》 CSCD 北大核心 2007年第3期45-48,共4页
天基对地打击武器是一种新的战略威慑力量,与地基发射的武器相比具有自己独特的优势。首先通过对天基武器作战过程的分析,得出在轨机动是实现天基快速对地打击的关键的结论;而后建立了天基平台的轨道面机动与相位机动的数学模型。在上... 天基对地打击武器是一种新的战略威慑力量,与地基发射的武器相比具有自己独特的优势。首先通过对天基武器作战过程的分析,得出在轨机动是实现天基快速对地打击的关键的结论;而后建立了天基平台的轨道面机动与相位机动的数学模型。在上述研究的基础上,通过数学仿真分析了轨道机动对打击时间的影响,得到了一些有用的基本结论。 展开更多
关键词 天基对地打击 作战过程 相位机动 轨道面机动
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Necessary and sufficient conditions of the rendezvous between a single spacecraft and three non-coplanar Walker constellation satellites 被引量:2
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作者 ZHANG Jing WU MeiPing 《Science China(Technological Sciences)》 SCIE EI CAS 2011年第9期2254-2262,共9页
The probability of the rendezvous between a single spacecraft and three non-coplanar constellation satellites is studied,and the necessary and sufficient conditions of the rendezvous without orbital maneuver are deduc... The probability of the rendezvous between a single spacecraft and three non-coplanar constellation satellites is studied,and the necessary and sufficient conditions of the rendezvous without orbital maneuver are deduced.The rendezvous orbit design can be transformed into the patching of two spacecraft orbits,either of which can achieve the rendezvous with two satellites.Firstly,due to the precious quality of spherical geometry,the unique existence of the rendezvous orbit for two constellation satellites is proved.Then,according to the difference between equispaced and non-equispaced orbital planes of three satellites,the necessary and sufficient conditions are given respectively,and the calculating method of the spacecraft orbit is proposed.At last,the constraint conditions between two different rendezvous orbits is derived,while the relative position of two groups of objects are under specific distribution.The results can be applied to the rendezvous between a single spacecraft and multiple constellation satellites without orbital maneuver. 展开更多
关键词 Walker constellation necessary and sufficient conditions orbital design rendezvous with multiple satellites patchedorbit constraint conditions
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