地面数字电视同频干扰的研究  

Research on Co-frequency Interference of Terrestrial Digital TV

作　　者：朱樱 ZHU Ying(Hubei Radio and TV Station,Suizhou Transmitting Station,Wuhan 430000)

机构地区：[1]湖北广播电视台随州发射台,湖北武汉430000

出　　处：《中国有线电视》2020年第11期1315-1317,共3页China Digital Cable TV

摘　　要：自从数字电视完全取代了模拟电视之后,很多国家都较为重视地面数字电视的实现计划与制式选择,我国也设定了相应的自主知识产权背景下的地面数字电视传输系统,在地面数字电视落实过程中也存在较多的问题,比如,存在同频干扰问题,会直接影响地面数字电视的地面播出效果,针对以上问题,需要不断减少相关干扰,对于地面数字电视的实施存在着较大的发展意义。通过结合日常工作中积累的经验,基于地面数字电视同频干扰展开分析。Since digital TV has completely replaced analog TV,many countries have paid more attention to the implementation plan and system selection of terrestrial digital TV.China has also set up the corresponding terrestrial digital TV transmission system under the background of independent intellectual property rights.There are also many problems in the implementation process of terrestrial digital TV,such as the existence of co-channel interference,which will directly affect the terrestrial broadcast effect of terrestrial digital TV.To solve the above problems,it is necessary to continuously reduce the related interference,which has great development significance for the implementation of terrestrial digital TV.Based on the experience accumulated in daily work,this paper mainly analyzes the co-frequency interference of terrestrial digital TV,hoping to provide some reference.

关 键 词：地面数字电视 同频干扰 现状 

分 类 号：TN949.197[电子电信—信号与信息处理]