| 摘要: |
| 介绍了深空测控通信的基本技术问题，分析了深空测控通信的特点，对其前沿技术进行了探讨，包括极微弱信号的接收技术、超低噪声接收技术、巨型波导波束天线及其组阵技术、极低码速率数传、极窄带锁相接收、极限纠错编码、深空定轨、深空应答机、站间联结干涉仪、超高稳定原子钟、工作频段向Ka和光通信频段发展等。 |
| 关键词: 深空探测 深空网（DSN） 测控通信技术 定轨 数字化应答机 |
| DOI：10.3969/j.issn.1001-893X. |
| Received:December 16, 2005Revised:February 16, 2006 |
| 基金项目: |
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| Forward to the Deep Space: Developing Trend of TTC&DT Technology |
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| Abstract: |
| This paper introduces the basic technical problem of a deep space TTC&DT(Tracking, Telemetering, Commanding and Data Transmission) system, analyses its features, and discusses its advanced technology, including the extremely weak signal receiving technology, ultralow noise receiving technology, gigantic wave-guide beam antenna and its arraying technology, ultralow code rate transferring technology, ultranarrow band phase-lock receiving technology, limited error correcting coding, deep space orbit determination, deep space transponder, connected element interferometry(CEI), super high stable atomic clock, the operation band, etc. |
| Key words: deep space exploration,deep space network(DSN),TTC&DT technology,orbit determination,digital transponder, |
