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中波转播台天线系统性能优化设计与实施

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中波转播台的天线系统包括前端的卫星接收天线和最末端的发射天线,卫星接收天线具有收集通信卫星微弱信号并对其进行变频、放大、滤波的功能.中波发射机的输出功率靠发射天线才能有效辐射出去,会影响传输信号的质量和覆盖范围.基于此,分析中波转播台天线系统优化设计的必要性及关键因素,并针对天线系统易发生的故障和不足之处提出优化方案,以期为优化中波转播台天线系统提供借鉴.
Design and Implementation of Performance Optimization for Medium Wave Broadcasting Antenna Systems
The antenna system of the medium wave relay station includes a satellite receiving antenna at the front end and a transmitting antenna at the end.The satellite receiving antenna has the function of collecting weak signals from communication satellites and performing frequency conversion,amplification,and filtering on them.The output power of a medium wave transmitter can only be effectively radiated by the transmitting antenna,which will affect the quality and coverage range of the transmitted signal.Based on this,the necessity and key factors of optimizing the antenna system design of medium wave relay stations are analyzed,and optimization plans are proposed to address the common faults and shortcomings of the antenna system,in order to provide reference for optimizing the antenna system of medium wave relay stations.

medium wave broadcast stationsantenna systembasic parameters of antenna

吴杰、李天琦

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辽宁朝阳三二八转播台,辽宁 朝阳 122000

上海大学,上海 200444

中波转播台 天线系统 天线基本参数

2024

电视技术
电视电声研究所 中国电子科技集团公司第三研究所

电视技术

影响因子:0.496
ISSN:1002-8692
年,卷(期):2024.48(2)
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