摘要
数字电视的普及对大众的影响迅速扩大,这项技术为我们带来了更快、更好、更清晰的视听体验,同时对维修技术人员提出了更高的要求。与模拟信号电视相比,数字电视在信号调制方式、特征、技术指标等多个方面都有截然不同的定义,具有清晰、迅速等多种优势,因此数字电视机顶盒在全国得到大范围普及,它的规范使用与室内外线路的修护也显得更加重要。
Since the digital TV gets more and more popular in people daily life in our country, its effect on public leisure life is also expanding rapidly.The continuous development of this technology, bring us the audi-o-visual experience in a faster;better and more clear way, but also the related maintenance technical needs a higher requirement.Compare with analog TV, digital TV has a great difference in signal modulation method;characteristics and definition of technical parameters.Because it has clear, quickly and other advantages, so the digital TV set-top box has been widespread in every corner all over the country, so it becomes more impor-tant of their normative application and maintenance of outdoor line.
出处
《中国有线电视》
2015年第5期582-584,共3页
China Digital Cable TV
关键词
数字电视
维护
常见问题
digital TV
maintenance
common problem
