| 摘要: |
| 近年来，空间信息传输中的多天线技术得到了广泛关注和大量研究。首先介绍了多天线技术的信息论基础和演进过程；然后综述了多天线通信和雷达技术的研究进展，包括多输入多输出(Multiple-Input Multiple-Output,MIMO)卫星通信技术、深空天线组阵技术、空间多维协同传输理论与技术、MIMO雷达技术和分布式孔径相参合成雷达技术，分析了其中的关键技术及未来可研究的方向；最后，总结了多天线技术在航天测控领域应用的优势，展望了基于多天线的测控技术。 |
| 关键词: 测控系统 空间信息传输 多天线 MIMO 天线组阵 |
| DOI： |
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| 基金项目: |
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| A survey of multiple antenna technology in space-based information transmission |
| LIU Yandu,WANG Yuanqin,JIAO Yiwen,MA Hong |
| (Department of Electronic and Optical engineering，Space Engineering University,Beijing 101416,China;Department of Aerospace Science and Technology，Space Engineering University,Beijing 101416,China) |
| Abstract: |
| In recent years,multiple antenna technology in space-based information transmission has been widely concerned and studied.Firstly,the information theory foundation and evolution process of multiple antenna technology are introduced.Secondly,the research progress of multiple antenna communication and radar technology is reviewed,including multiple-input multiple-output(MIMO) satellite communication technology,antenna arraying technology,spatial multi-dimensional cooperative transmission theories and technologies,MIMO radar technology and distributed aperture coherent radar technology.The key technologies and future research directions are analyzed.Finally,the advantages of multiple antenna technology in the field of aerospace telemetry,tracking and command(TT&C) are summarized,and the TT&C technology based on multiple antenna is prospected. |
| Key words: TT&C system space-based information transmission multiple antenna MIMO antenna arraying |
《电讯技术》编辑部 