文档介绍：Research on Applications of X-ray Pulsar Navigation and X-municationMENG Jing, SHUAI Ping, CHEN Shao-long Qian xuesen Laboratory of Space Technology, China Academy of Space Technology, Beijing, ******@Abstract: bination of X-ray Pulsar Navigation (XNAV) and X-munication (XCOM)in spacecraft can be a feasible way to realize high-accuracy auto-navigation and huge data transmission capability. This paper first addressed the newest development processes of X-ray pulsar navigation and X-munication,then designed the application system architecture of navigation munication based on X-ray, the application mode was proposed by using Xnav and Xcom in the spacecraft terminal, the key technologies of Xnav, especially Xcom were studied in the end, which can provide reference to future research in this area and technical supports to various space missions in the future. Keywords: Xnav,Xcom,application mode,key technology X射线空间导航与通信应用研究蒙静,帅平,陈绍龙钱学森空间技术实验室,中国空间技术研究院,北京,中国,100094 mengjing0729@ 【摘要】X射线脉冲星导航与X射线通信的融合发展为实现未来航天器之间高精度自主导航和大容量数据传输提供了可行途径。本文在调研X射线导航与通信技术研究现状的基础上,设计了基于X射线的导航与通信应用系统框架,提出利用X射线实现航天器终端导航与通信的应用模式,研究了X射线导航与通信关键技术,为未来空间任务导航通信一体化发展提供技术支撑。【关键词】X射线脉冲星导航,X射线通信,应用模式,关键技术1 引言随着深空探测任务的不断发展,高精度、实时、自主导航与大容量、高可靠通信保障已成为未来深空任务需要解决的重要基础问题,导航通信的一体化也日益成为未来空间技术融合发展趋势。当前,能够实现导航的手段众多,如传统天文导航、GNSS系统、惯性导航、地磁导航等,这些方式大多需要地面测站的支持,无法实现真正意义上的航天器自主导航[1];空间通信主要集中在传统微波频段,微波频段通信容量有限,且易受到空间环境的干扰