数字视频光端机在电视现场直播中的运用  

Application of Digital Video Optical Transmitter and Receiver in Live Broadcast

作　　者：刘国东[1] 刘薇[2] 

机构地区：[1]江西理工大学,江西赣州341000 [2]赣南医学院,江西赣州341000

出　　处：《中国有线电视》2009年第2期183-185,共3页China Digital Cable TV

摘　　要：视频光端机长期运用在安防领域、道路监控系统中。分析数字视频光端机的原理,数字视频光端机的几个影响画面质量的指标如视频电平、带宽、信噪比等。根据高校的特点,介绍将视频光端机技术运用到电视现场直播中的做法和一些体会。Video optical transmitter and receiver is usually used in the field of security and road monitoring system. This paper analyzes the principle of the video optical transmitter and receiver and the signal quality indexes such as video-level, bandwidth, signal to noise ratio and so on. According to the characteristics of colleges and universities, it introduces the practices and experience of using Video optical transmitter and receiver.

关 键 词：视频光端机 电视直播 信号电平 

分 类 号：TN948.12[电子电信—信号与信息处理]