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2020年底我国将停止播出地面模拟电视信号,全面实现无线地面数字电视广播。数字广播电视频谱资源的分配及管理,广播电视网络规划与覆盖网的覆盖效果会直接影响我国地面数字电视网络的建设成败。地面数字电视单频网是由多个不同地点的发射台,在同一时间、以同一频率发射同一信号,以实现对一定服务区
By the end of 2020, China will stop broadcasting terrestrial analog television signals and fully realize wireless terrestrial digital television broadcasting. The distribution and management of digital radio and television spectrum resources, the coverage of radio and television network planning and coverage network will directly affect the success or failure of the construction of terrestrial digital television network in our country. Terrestrial digital television single-frequency network is composed of a number of different locations of the launch pad at the same time, the same frequency of the same signal transmission in order to achieve a certain service area