数字调幅广播在两地发射台试验的探索与实践  

Exploration and Practice of Digital AM Broadcasting Testing at Two Transmission Stations

作　　者：李立瑛[1] Li Liying(Guangdong Radio and Television Technology Center,Guangdong 510091,China)

机构地区：[1]广东省广播电视技术中心,广东510091

出　　处：《广播与电视技术》2024年第12期73-77,共5页Radio & TV Broadcast Engineering

摘　　要：本文通过在广东省不同城市的两个发射台进行数字调幅广播(DRM)技术试验,验证了DRM广播在提升收听效果、降低能耗和减少电磁干扰方面的显著优势。试验结果表明,DRM广播在对抗同频AM信号时展现出卓越的性能,并在多种传输路径和覆盖环境下均显示出优异的覆盖能力,同时实现了显著的节能效果。本次试验为DRM广播的测试和实践提供了有力的数据支持。Through the implementation of Digital Radio Mondiale(DRM)technology trials and practices at two transmission stations in Guangdong Province,the potential of DRM in enhancing listening coverage effects,reducing energy consumption,and minimizing electromagnetic interference has been verified.The experiments demonstrated that DRM has a significant counter-effect against co-frequency AM signals and shows superior coverage performance in various transmission paths and coverage environments,with notable energy-saving effects.This trial provides data support for further testing and evaluation of DRM broadcasting.

关 键 词：数字调幅广播 DRM 覆盖性能 同频干扰 降低能耗 

分 类 号：TN934.1[电子电信—信号与信息处理]