电磁耦合谐振电路在中波天调网络中的应用  

Application of Electromagnetic Coupling Resonance Circuit in Medium-wave Antenna Modulation Network

作　　者：王庆玲 李明 Wang Qinging;Li Ming(Station 2071,Program Transport Center,Xinjiang Radio and Television Bureau,Xinjiang 842300,China)

机构地区：[1]新疆广播电视局节目传输中心2071台,新疆842300

出　　处：《广播与电视技术》2023年第12期92-97,共6页Radio & TV Broadcast Engineering

摘　　要：本文对边频反射引起的问题进行了说明,并分析了产生边频反射的原因,着重分析了三种解决办法存在的不足。针对此问题,提出了采用电磁耦合谐振电路设计天调网络的办法,并介绍了其工作原理及实际应用案例。此方法具有显著的优势,可为存在边频反射问题的中波广播转播台提供借鉴和参考。This article explains the problems caused by frequency reflection and analyzes the causes of frequency reflection,with a focus on analyzing the shortcomings of three solutions.In response to this issue,a method of using an electromagnetic coupling resonant circuit to design an antenna modulation network is proposed,and its working principle and practical application cases are introduced.This method has significant advantages and can provide reference and guidance for medium-wave broadcasting relay stations with frequency reflection problems.

关 键 词：中波发射机 天调网络 边频反射 电磁耦合谐振电路 

分 类 号：TN934.84[电子电信—信号与信息处理]