单路视频双向数据光纤传输系统设计  

Designing of optical transmission system for single TV and reverse dates

作　　者：信振华[1] 刘志堂 孟克[1] 

机构地区：[1]哈尔滨工程大学信息与通信工程学院,黑龙江哈尔滨150001

出　　处：《应用科技》2003年第10期14-16,20,共4页Applied Science and Technology

摘　　要：介绍了一种利用光纤波分复用器实现的单路视频双向数据光纤传输系统的设计,采用光纤进行视频和数据信号的模拟传输,给出了详细的系统设计原理框图,比较了方波调频方式SWFM和脉冲调频方式PFM调制解调的优缺点,阐述了其工作原理,并且介绍了实际系统应用中的设计要点.经试验验证,本系统具有较高的稳定性和可靠性.This paper introduced the designing of optical transmission system for single TV and reverse dates by wave division multiplexer,through the use of optical fiber to transmit the TV and date signal.Besides,it provided the principle diagram of this system,compared the advantage and disadvantage between SWFM and PFM,exhaustively illustrated the principle,analyzed the frequency spectrum,and introduced the system parameters in application.The experimentation has proved that this system has high stability and dependability.

关 键 词：视频信号 现场监控 光纤通信 设计 光检测器 激光器 波分复用器 

分 类 号：TN929.11[电子电信—通信与信息系统] TP277[电子电信—信息与通信工程]