DAM中波发射机电声指标的影响因素分析  

Analysis of Influencing Factors of Electroacoustic Indexes of DAM Medium Wave Transmitter

作　　者：楚红明 CHU Hongming(Henan Radio and Television Station 104,Zhengzhou 450002,China)

机构地区：[1]河南广播电视台104台,河南郑州450002

出　　处：《电声技术》2025年第2期153-156,共4页Audio Engineering

摘　　要：深入分析数字幅度调制(Digital Amplitude Modulation,DAM)中波发射机的工作原理,并以AM103S5-Ⅱ型号为例详细探讨影响电声指标的主要因素。针对这些因素提出一系列综合性的维护检修方案,涵盖日常维护、周期性维护以及临时性维护,旨在确保发射机的最佳性能和广播信号的高质量传输。The working principle of Digital Amplitude Modulation(DAM) medium wave transmitter is deeply analyzed,and the main factors affecting electro-acoustic index are discussed in detail by taking AM 103S5-Ⅱ model as an example.According to these factors,a series of comprehensive maintenance schemes are proposed,covering daily maintenance,periodic maintenance and temporary maintenance,in order to ensure the best performance of transmitter and high-quality transmission of broadcast signals.

关 键 词：数字幅度调制(DAM)中波发射机 电声指标 影响因素 检修维护 

分 类 号：TN838[电子电信—信息与通信工程]