摘要
近年来,中国地面数字电视广播业务不断发展,已成为广播电视传输覆盖体系中重要的组成部分。本文从电力线信道传输特征、OFDM调制特点等几方面对利用电力线通信系统进行地面数字电视广播信号传输进行可行性分析,然后对基于电力线传输地面数字电视广播进行了系统设计。
In recent years, digital television terrestrial broadcasting industry is continuously developing in China, and has become an important part of broadcasting transmission coverage system. This paper analyzes the feasibility of DTTB through powerline communication system, in aspects of powerline channel characteristic and OFDM modulation characteristic, and then introduces its system design.
出处
《广播与电视技术》
2018年第2期91-94,共4页
Radio & TV Broadcast Engineering