| 地市级地面数字电视发射机常见故障分析 |
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| 引用本文： | 李国新.地市级地面数字电视发射机常见故障分析[J].广播与电视技术,2022,49(1):96-99. |
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| 作者姓名： | 李国新 |
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| 作者单位： | 包头市微波总站,内蒙古150000 |
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| 摘 要： | 随着中国加快推进地面数字电视（DTMB）无线覆盖工程的建设，提高技术人员对地面数字电视发射系统设备的维护维修水平、故障判断排除能力刻不容缓。本文结合由包头市微波总站建设的市级地面数字电视单频网项目,对其运行中常见的发射机故障进行了分析和总结。
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| 关 键 词： | 地面数字电视 单频网 系统组成 机房环境 故障诊断 |
Analysis on Common Faults of Prefecture-level Digital Terrestrial Multimedia Broadcast Transmitters |
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| Li Guoxin.Analysis on Common Faults of Prefecture-level Digital Terrestrial Multimedia Broadcast Transmitters[J].Radio & TV Broadcast Engineering,2022,49(1):96-99. |
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| Authors: | Li Guoxin |
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| Institution: | (Baotou Microwave Relay Station,The Inner Mongolia Autonomous Region 150000,China) |
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| Abstract: | As the country speeds up the construction of Digital Terrestrial Multimedia Broadcast(DTMB)wireless coverage project,it is significant to improve technical personnel’s ability in facility maintenance and fault diagnosis of DTMB system.Combined with prefecture-level DTMB single frequency network project constructed by Baotou Microwave Relay Station,this paper analyzes and summarizes common transmitter failures during its operation. |
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| Keywords: | DTMB Single frequency network System composition Room environment Fault diagnosis |
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