过境卫星对广电专用卫星的干扰及应对措施.pdf

过境卫星对广电专用卫星的干扰及应对措施.pdfγ,理雪' B 阳mmGANDTRAi3ZZ费 1 1
[本文献信息] ( J ] .电视技术, 2015 , 39(17)
过境卫星对广电专用卫星的干扰及应对措施
张小乎 1 ,郭亚丽 2
( 。一台,内蒙古呼和浩特 0 1ω70;2 内蒙古广格电视台总工办,内蒙古呼和浩特 010058)
摘要:。卫星传输系统是一个开放系
统,易受到外界信号的干扰。过珑卫星干扰由于其具有隐蔽性、特殊性,给广播电视卫星传输带来许多不利影响。结合工
作实际,通过介绍近年来发生的干扰实例,对过境卫星干扰的机埋进行分析,提出减小干扰的有效措施,为同行提供一定
的借鉴作用。去
关键词: 过境卫星: 干扰分类;机理分析
中固分类号:TN927 文献标志码:A DOI: 10. 16280/j. videoe. 2015.
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2. Chi电f Engineerir啄 OjJìce. Inner Mongolω Radωαnd TV 51副 ion. Hohhol 0]0058. China)
Abstract: As one of the three broadcast television signal transmission method of satellite transmission technology , sti ll plays an im - 马
portant role in the cuπent. Satellite transmission system is an open system , susceplible 10 inlerference from oulside signals. Transit J
satellite interference because of its hidden nature, particularity. has brought many negative effects to the radio and televisionωtel -
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lite transmission. In this paper. combined with the actual work. through the example of interference occurred in recent year吉. the !-
mechanism o