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出 处:《电视技术》2012年第22期71-74,96,共5页Video Engineering
摘 要:地面数字电视已在全国各地逐步推广,其播出设备需要高质量的电源支持,而发射台传统的供电方式存在许多弊端,无法很好地保障数字设备运行,需要进行改造。以安徽广播电视台大蜀山发射台的技改项目为例,探讨了数字电视不间断电源系统搭建中所涉及的关键技术问题,介绍了新电源系统的特点。Digital terrestrial television broadcast expands gradually in China, and its transmission equipment needs support ot high-quality power. But traditional power supply mode has many disadvantages, and can't support digital equipments very well and need to be transformed. In this paper, an example about technological transformation project in Dashushan Transmitting Station of Anhui Broadcasting & Television Station is given. Many key technical issues about UPS for digital terrestrial television broadcast are discussed. Characteristics of the new power supply system are introduced.
分 类 号:TN86[电子电信—信息与通信工程] TN934.81
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