乡镇站有线电视信号传输改造方案  

Reconstructing Scheme of CATV Signal Transmission in Town

作　　者：李仁德 

机构地区：[1]象山县广播电视台,浙江宁波315700

出　　处：《中国有线电视》2005年第16期1596-1598,共3页China Digital Cable TV

摘　　要：目前有线电视光纤传输大多采用1310nm技术。就离中心机房较远的乡镇广电站如何运用1550nm光纤传输技术方案进行探讨,从经济效益角度和技术方案的可行性方面进行论述。Cable television fiber optical transmission is usually based on 1 310 nm technology at present. The paper discusses how to apply 1 550 nm fiber optical transmission technology at the broadcasting and television station in the rural area far from the central machine house, analyzes the technical and economical feasibility of the scheme.

关 键 词：传输 1310nm 1550nm 光纤放大器 系统改造 C/N C/CSO C/CTB 可靠性 经济效益 

分 类 号：TN943.6[电子电信—信号与信息处理]