广播电视地面无线数字化覆盖工程混合组网模式研究  

Research on Hybrid Network Mode of Radio and Television Terrestrial Wireless Digital Coverage Project

作　　者：刘颖 LIU Ying(Liaoning Radio and Television Dandong Fenghuangshan Broadcasting Station,Dandong 118100,China)

机构地区：[1]辽宁省广播电视丹东凤凰山转播台,辽宁丹东118100

出　　处：《电视技术》2023年第1期104-107,共4页Video Engineering

摘　　要：以凤凰山转播台广播电视地面无线数字化覆盖工程混合组网模式为研究重点,介绍地面数字电视广播及组网模式,以丹东凤凰山转播台混合组网模式为具体案例,分析总体技术方案、前端系统、数字微波传输网、发射系统以及天馈线系统改造方案,为其他地区广播电视地面无线数字化覆盖工程建设提供参考。This paper focuses on the hybrid network mode of radio and television ground wireless digital coverage project of Phoenix Mountain Retransmission Station, introduces the ground digital television broadcasting and networking mode, takes the hybrid network mode of Dandong retransmission station as a specific case, analyzes the overall technical scheme, front-end system, digital microwave transmission network, transmission system, sky feeder system transformation scheme. It provides reference for the construction of radio and television ground wireless digital coverage projects in other areas.

关 键 词：地面数字电视广播 单频网 多频网 混合组网 

分 类 号：TN948.14[电子电信—信号与信息处理]