摘要
广播电视发射台站现已全部使用地面数字电视广播发射机来转播、发射广播电视节目。台站设备维护人员必须掌握数字电视技术,熟悉数字发射设备的各种操作,以胜任技术进步的需要。为此,本文详细介绍XG300UT-1KD-Ⅱ型地面数字电视广播发射机的性能和维护工作重点,借以提高自身的工作能力,为同行业相关工作者提供参考。
All radio and television transmitting stations now use terrestrial digital television broadcasting transmitters to relay and transmit radio and television programs.Station equipment maintenance personnel must master digital TV technology and be familiar with various operations of digital transmitting equipment to meet the needs of technological progress.Therefore,this paper introduces the performance and maintenance of XG300UT-1KD-Ⅱterrestrial digital TV broadcast transmitter in detail,so as to improve its own working ability and provide reference for relevant workers in the same industry.
作者
刘宏
LIU Hong(Yingkou news and media center radio and television transmitting station,Yingkou 115000,China)
出处
《电视技术》
2022年第7期91-94,113,共5页
Video Engineering
关键词
数字发射机
功率放大器
显控系统
单频网激励器
digital transmitter
power amplifier
display and control system
single frequency network exciter
