摘要
由于科学技术的发展和多媒体业务的需求,现代通信技术发展异常迅速。文章通过对卫星通信应用现状的介绍,分析了卫星通信技术在当今全球信息化浪潮中所处的地位、作用及遇到的挑战,探讨了其在未来的应用竞争环境中所具有的优势和劣势,总结了演变趋势及需要解决的关键技术问题,给出了它在未来通信网中的主要应用模式。
Because of the requirement of multimedia and the development science and technology, contemporary communication is developing very rapidly. This paper introduced the practical status of satellite communication, analyzed the position of satellite communication in global informatinization, its function and challenge encountered. Then this paper discussed the advantages and disadvantages of satellite communication in the future competitive environment, summarized the evolvement tendency of satellite communication and the key problems that needed to be solved. At last a main practical pattern of satellite communication in the future communication network is given out.
出处
《电力系统通信》
2006年第5期47-49,共3页
Telecommunications for Electric Power System
关键词
卫星通信
编码技术
数字调制
卫星光互联
satellite communication
code technology
digital modulation
satellite wave interlinkage
