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地面数字电视发射系统的原理及关键技术分析

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地面数字电视是电视技术的前沿技术.在对地面数字电视发射机进行维护时,激励器的运行状态往往容易被忽视,而激励器一旦发生故障,通常会导致发射系统的不稳定.对此,深入剖析地面数字电视发射系统的基本原理,聚焦激励器等关键设备的技术细节,对于提升地面数字电视发射系统的运维管理水平具有重要意义.
Analysis of Principle and Key Technology of Ground Digital Television Transmission System
Terrestrial digital television is the advanced technology of television technology.In the maintenance of terrestrial digital television transmitter,the operating state of the exciter is easy to be ignored,and once the exciter fails,it usually leads to the instability of the transmitting system.In this regard,in-depth analysis of the basic principle of terrestrial digital TV launch system,focusing on the technical details of key equipment such as the driver,is of great significance for improving the level of operation and maintenance management of terrestrial digital TV launch system.

ground digital televisionexciterchannel codingmodulation error ratepre correction

叶东辉、毛黎雯、陈铭

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广西广播电视技术中心柳州分中心,广西 柳州 545000

广西广播电视技术中心桂林分中心,广西 桂林 541000

地面数字电视 激励器 信道编码 调制误差率 预校正

2024

电视技术
电视电声研究所 中国电子科技集团公司第三研究所

电视技术

影响因子:0.496
ISSN:1002-8692
年,卷(期):2024.48(12)