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针对交会对接任务对测控通信提出的高覆盖率和双目标测控等需求的问题,分析2颗中继卫星能够提供的覆盖率,设计双目标测控工作模式以及天地协同机制,计算中继链路的性能,分析表明,天基测控可提供约72%的测控覆盖率,能够支持双目标测控,链路余量满足要求;统计了任务中关键段落的测控通信工作情况,分析结果和实际任务情况验证了天基测控在交会对接任务测控通信中的重要作用;最后提出后续任务改进和完善的建议。
In view of the problems such as high coverage rate and dual-target measurement and control requirements proposed by the intersection and docking mission for the measurement and control communication, this paper analyzes the coverage that two relay satellites can provide, designs the dual-objective measurement and control working mode and the coordination mechanism between heaven and earth, Performance, analysis shows that space-based measurement and control can provide about 72% coverage of measurement and control, to support dual-target measurement and control, the link margin to meet the requirements; statistics of the mission critical control and measurement communications work, the results of the analysis and the actual mission verification The important role of space-based measurement and control in the intersection of docking and mission monitoring and control communications; Finally, the follow-up tasks to improve and perfect the proposal.