Terrestrial digital television is a kind of radio and television signal transmission technology with important strategic position in our country. Mastering the actual coverage effect and influencing factors of terrestrial digital television is helpful to build and optimize coverage network. In this paper, the coverage effect of terrestrial digital television in urban environment is tested, and different indicators such as level and carrier-to-noise ratio are selected as the main test indicators of coverage effect in different urban environments, and the influencing factors of terrestrial digital television coverage in urban environments are analyzed.
关键词
地面数字电视/城市环境/覆盖效果
Key words
ground digital television/urban environment/coverage effect
维普
万方数据