超宽带脉冲无线电在近距编队中的应用研究  

Applied Research on Ultra-wideband Impulse Radio Technology in Spacecraft Short-range Formation Flying

作　　者：朱精果[1,2] 王宇[1] 徐志明[1,2] 

机构地区：[1]中国科学院光电研究院 [2]中国科学院研究生院

出　　处：《飞行器测控学报》2009年第3期9-12,共4页Journal of Spacecraft TT&C Technology

摘　　要：编队飞行航天器间可靠的实时通信和精确的定位是需要解决的关键技术之一。超宽带脉冲无线电技术具有抗多径干扰、传输速率高、结构简单且可进行通信和导航一体化设计等鲜明特点。本文首先介绍超宽带脉冲无线电的基本原理,分析其主要特点,在跟踪编队飞行无线链路现有技术的基础上,研究了超宽带技术在近距编队中的潜在应用,最后分析了超宽带技术在航天器近距编队应用中需要注意的问题。Formation flying is an important direction of the spacecraft technology development,and real-time communication and accurate positioning links between the spacecraft are one of the key technologies.Ultra-wideband impulse radio technology(IR-UWB) has many distinct characteristics,and it can be used for navigation and communication.This paper introduces ultra-wideband impulse radio technology and its basic principles,analyses the main features,and considers IR-UWB technology as the potential applications for spacecraft short-range formation flying.Finally,it analyses the problems about IR-UWB technology for spacecraft short-range formation applications.

关 键 词：脉冲无线电 超宽带 近距编队 

分 类 号：TN925[电子电信—通信与信息系统]