| 昭通市电视台3+1讯道高清卫星车系统设计 |
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| 引用本文： | 段天学.昭通市电视台3+1讯道高清卫星车系统设计[J].电视技术,2016,40(12):94-98. |
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| 作者姓名： | 段天学 |
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| 作者单位： | 昭通市电视台,云南昭通,657000 |
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| 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.
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| 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%2B1同相合成 天馈系统 |
| 收稿时间： | 6/3/2016 12:00:00 AM |
| 修稿时间： | 2016/6/28 0:00:00 |
Design of high definition satellite vehicle system of TV station 3 1 in Zhaotong City, Yunnan Province |
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| duantianxue.Design of high definition satellite vehicle system of TV station 3 1 in Zhaotong City, Yunnan Province[J].Tv Engineering,2016,40(12):94-98. |
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| Authors: | duantianxue |
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| Affiliation: | Zhaotong TV station |
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| Abstract: | Zhaotong city TV station 3 1 Channel HD satellite car system is in accordance with the State Press and Publication Administration of radio and television broadcast the implementation details of the requirements of the design, that is, the main (single break point), key equipment requirements redundant design. The 3 1 channe HD satellite vehicle system of main video equipment and satellite transmission equipment performance and selection of were introduced in detail, especially the satellite transmission part of the power amplifier performance, working mode, a power amplifier output gain were introduced in detail. The system through multiple live operation, safety and stability of equipment. |
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| Keywords: | video and audio system switching and scheduling matrix coding and modulation SSPB solid-state power amplifier 1 + 1 in phase synthesis antenna feeder system |
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