广播电视互调信号干扰民航通信的排查与分析  

Analysis of Radio and Television Intermodulation Interference in Civil Aviation Communication

作　　者：安泽华[1] 赵青松[1] 

机构地区：[1]安徽广播电视台广播技术办公室,安徽230065

出　　处：《广播与电视技术》2015年第10期102-104,共3页Radio & TV Broadcast Engineering

摘　　要：以某机场民航通信频率受到干扰为案列,阐述了广播电视发射机互调信号产生的原因,分析了航空机载导航系统工作原理,提出了广播电视互调信号干扰的解决方案,对保障民航通信安全、合理规划广播电视发射频率,具有借鉴意义。Taking civil aviation communication frequency interference at a certain airport as a case, reasons of broadcasting and television transmitter intermodulation signals are expounded, and also working principles of the airborne navigation system are analyzed. Meanwhile, solntions are given tor radio and television intermodulation interference. It is helpful to ensure security of civil aviation communication and plan broadcasting and television transmission frequency reasonably.

关 键 词：二阶互调 图像载频 导航 场强 本机振荡器 

分 类 号：TN92[电子电信—通信与信息系统]