首页 | 本学科首页   官方微博 | 高级检索  
     

Ka/EHF频段卫星信道传输特性研究
引用本文:李峰,冯晓雯,左鹏,叶淦华.Ka/EHF频段卫星信道传输特性研究[J].无线电通信技术,2010,36(1):47-49,64.
作者姓名:李峰  冯晓雯  左鹏  叶淦华
作者单位:1. 总参通信部驻714厂军代室,江苏,南京,210002
2. 南京电讯技术研究所,江苏,南京,210007
摘    要:为了获取更高的可用带宽,使用更小的天线口径并获得更强的抗干扰能力,Ka频段在军事卫星通信系统中已经得到广泛的使用,并正在向EHF频段发展。在Ka频段的卫星通信系统已经被建立,但更高的EHF频段对卫星通信系统来讲仍是一个尚待研究的领域。EHF频段降雨损耗、多普勒频移等因素对系统设计所造成的影响必须充分考虑,因此对EHF频段的信道特性分析是未来极高频卫星通信系统设计的关键之一。在研究Ka频段信道传输特性的基础上,对EHF频段的信道传输特性作了初步的研究和探索。

关 键 词:EHF  卫星通信  雨衰

Research on Transmission Characteristics of Ka/EHF Band Satellite Channel
LI Feng,FENG Xiao-wen,ZUO Peng,YE Gan-hua.Research on Transmission Characteristics of Ka/EHF Band Satellite Channel[J].Radio Communications Technology,2010,36(1):47-49,64.
Authors:LI Feng  FENG Xiao-wen  ZUO Peng  YE Gan-hua
Affiliation:LI Feng1,FENG Xiao-wen1,ZUO Peng1,YE Gan-hua2(1.Military Representative Office Stationed in Factory 714,Communication Department of General Staff,Nanjing Jiangsu 210002,China,2.Nanjing Telecommunication Technique Institute,Nanjing Jiangsu 210007,China)
Abstract:More and more military satellite communication systems work at Ka band and EHF band to obtain wider bandwidth,smaller antenna and better performance against the jammers.Some Ka-band satellite communication systems have been established,but EHF-band satellite communication system has not been developed.The rain attenuation and Doppler frequency offset should be considered carefully at EHF-band.The channel characteristic of EHF-band is one of the key points for future EHF-band satellite communication systems....
Keywords:EHF
本文献已被 CNKI 维普 万方数据 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号