摘要
昭通市电视台3+1讯道高清卫星车系统是按照国家新闻出版广电总局安全播出实施细则要求设计,即主要(单溃点)、关键设备要求冗余设计。对3+1讯道高清卫星车系统的主要视频设备和卫星传输设备性能和选择进行了详细介绍,特别是卫星传输部分的功放性能、工作方式、功放输出增益进行了详细介绍,该系统通过多次直播运行,设备安全稳定。
Zhaotong TV station 3 ＋ 1 channel HD satellite vehicle system is designed as implementation details of the requirements released by the State Press and Publication Administration of radio and television broadcast. The main video equipment and satellite transmission equipment performance and selection of 3 ＋ 1 channel HD satellite vehicle system are introduced in detail. Especially the power amplifier performance, working mode, a power amplifier output gain of the satellite transmission are introduced. The system is safety and stability through multiple live operations.
出处
《电视技术》
北大核心
2016年第12期94-98,共5页
Video Engineering
关键词
视音频系统
切换与调度矩阵
编码与调制
SSPB固态功放
1+1同相合成
天馈系统
video and audio system
switching and scheduling matrix
coding and modulation
SSPB solid-state power amplifier
1 ＋1 in phase synthesis
antenna feeder system
