短波调幅广播多频发射机关键技术研究  

Research on Key Technologies of Multi-frequency Transmitter for Shortwave AM Broadcasting

作　　者：王磊 Wang Lei(Tibet Autonomous Region Radio and Television Bureau,Tibet 850000,China)

机构地区：[1]西藏自治区广播电视局,西藏850000

出　　处：《广播与电视技术》2025年第2期86-90,共5页Radio & TV Broadcast Engineering

摘　　要：本文针对短波调幅广播多频发射机研制中涉及的数字信号生成、多路数字信号合成、峰均比控制、多路监测等关键技术进行了研究,提出了相关的解决思路和搭建原理,为短波发射机实现多频调幅广播提高天线利用率的技术科研提供参考。This paper researches the digital signal generation,multiple digital signal synthesis,peak-to-average ratio control,multiple monitoring,and other key technologies involved in the development of multi-frequency transmitters for shortwave AM broadcasting,and proposes relevant solution ideas and building principles to provide a reference for the technical research of shortwave transmitter to realize multi-frequency AM broadcasting to improve antenna utilization.

关 键 词：数字频率合成 峰均比 双频载波 正交解调 

分 类 号：TN822.2[电子电信—信息与通信工程]