数字音频广播电台对民航业务的干扰分析  

Analysis of interference between audio broadcasting station and civil aviation

作　　者：郑娜[1] 董洁[1] 李芃芃[1] 

机构地区：[1]国家无线电监测中心,北京100037

出　　处：《电声技术》2016年第7期36-39,共4页Audio Engineering

摘　　要：随着数字技术的发展,数字化已经成为世界广播电视发展的必然趋势。基于ITU-R SM.1009-1建议书及国家标准G/B 6364—2013《航空无线电导航台(站)电磁环境要求》所给出的保护场强,并参考中国现行的数字音频广播台的典型参数,分析了数字音频广播设台对邻频民航地空通信的互调干扰,给出了干扰缓解建议。With the development of digital technology, digital technology has become an inevitable trend in the development of radio and television world.Based on Recommendation ITU-R SM. 1009-1 and national standards G/B 6364--2013, the protection of field strength is given.And as the reference of typical paraineters of existing digital audio broadeasting station, intermodulation interference between digital audio broadcasting station and civil aviation air-ground communications are an- alyzed, interterence mitigation recommendations are given.

关 键 词：数字音频广播 地空通信 互调干扰 

分 类 号：TN931[电子电信—信号与信息处理]