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| 海事卫星系统在载人航天数据中继的应用 | |
| 引用本文： | 于志坚,翟政安. 海事卫星系统在载人航天数据中继的应用[J]. 宇航学报, 2003, 24(3): 268-272 |
| 作者姓名： | 于志坚 翟政安 |
| 作者单位： | 1. 国防科学技术大学,长沙,410073 2. 北京跟踪与通信技术研究所,北京,100094 |
| 摘 要： | 对海事卫星系统用于载人航天器数据中继的基本方法及可能性进行了讨论。从海事卫星系统的构成、链路能量和天线跟踪等方面论证了使用海事卫星系统中继载人航天数据的可能性。论述了工程实施中的关键技术和解决措施。提出了采用导频接收机来实施多普勒频移补偿的解决方案。最后认为使用海事卫星中继载人航天数据是可行的，可有效提高载人航天器的测控通信覆盖率。 |
| 关 键 词： | 数据中继 载人航天 |
| 文章编号： | 1000-1328(2003)03-0268-05 |
| 修稿时间： | 2002-12-12 |
Application of inmarsat in the data relay for manned spacecrafts |
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| YU Zhi-jian ,ZHAI Zheng-an. Application of inmarsat in the data relay for manned spacecrafts[J]. Journal of Astronautics, 2003, 24(3): 268-272 | |
| Authors: | YU Zhi-jian ZHAI Zheng-an |
| Affiliation: | YU Zhi-jian 1,ZHAI Zheng-an 2 |
| Abstract: | The paper discusses the basic concept and feasibility of application of INMARSAT system in the data relay for manned spacecrafts.Inmarsat service and infrastructure are investigated as well as both link budget and antenna tracking.The key technologies and solutions are presented here.It puts forward that navigation frequency should be used to compensate Doppler shift.It is demonstrated that Inmarsat system is available to data relay for manned spacecrafts and to efficiently increase manned spacecraft TT&C coverage. |
| Keywords: | Data relay Manned space |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |