DRM中波数字调幅广播系统建设方案研究  

Research on the Construction Plan of DRM Medium Wave Digital AM Broadcasting System

作　　者：李萍[1] Li Ping(Changzhou Radio and Television Station,Jiangsu 213122,China)

机构地区：[1]常州广播电视台,江苏213122

出　　处：《广播与电视技术》2024年第2期83-87,共5页Radio & TV Broadcast Engineering

摘　　要：在推进无线数字广播的大背景下,地面数字调幅广播迎来发展契机,DRM标准也在国内得到广泛的试验、推广和应用。本文介绍了DRM的国内外应用、产业发展情况和关键技术,结合常州中波发射台自身优势,通过配置DRM相关设备,实现了中波广播的DRM数字单播和数模同播,并预留DRM应急广播功能,为中波数字广播的未来发展提供了有益的参考。In the context of promoting wireless digital broadcasting,terrestrial digital AM broadcasting has ushered in development opportunities,and DRM standards have also been widely tested,promoted and applied in China.This paper introduces the domestic and foreign applications,industrial development and key technologies of DRM,combined with the advantages of Changzhou medium wave transmitter,through the configuration of DRM-related equipment,the DRM digital unicast and digital-analog simulcast of medium wave broadcasting are realized,and the DRM emergency broadcasting function is reserved,providing reference for the development of medium wave digital broadcasting.

关 键 词：信源编码 信道编码 内容服务器 调制器 应急广播 

分 类 号：TN934.3[电子电信—信号与信息处理]