走向深空——测控通信的发展方向

Forward to the Deep Space: Developing Trend of TTC&DT Technology

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。

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.