| 南宁高铁首条1550 nm 有线数字电视单纤双波实施方案及探讨 |
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| 引用本文： | 韦力勇,黄跃进.南宁高铁首条1550 nm 有线数字电视单纤双波实施方案及探讨[J].中国有线电视,2014(8):956-958. |
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| 作者姓名： | 韦力勇 黄跃进 |
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| 作者单位： | 南宁铁路局南宁通信段,广西河池530001 |
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| 摘 要： | 探讨了在单芯光纤中，通过“公共通道无源化，有源设备冗余化”的设计理念，采用密集波分复用（ DWDM）技术、掺铒光纤放大技术、光信号自动切换技术，结合SBS抑制技术和色散补偿技术，实现高可靠冗余热备份数字电视传输网络的设计，与传统的数字电视传输系统相比，具有链路简单、中间环节少、结构模块化、故障影响面小等特点。
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| 关 键 词： | 波分复用(DWDM) 掺铒光纤放大器(EDFA) 光信号自动切换 单纤双通道冗余备份 SBS抑制 色散补偿 |
Nanning High-speed Rail First 1 550 nm Digital TV Single Fiber Dual Wavelength Implementation Solution and Discussion |
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| WEI Li-yong,HUANG Yue-jin.Nanning High-speed Rail First 1 550 nm Digital TV Single Fiber Dual Wavelength Implementation Solution and Discussion[J].China Cable Television,2014(8):956-958. |
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| Authors: | WEI Li-yong HUANG Yue-jin |
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| Institution: | (Nanning Communications Segment of Nanning Railway Bureau, Hechi 530001, China) |
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| Abstract: | This article is discussing about digital TV transmission network design over Single core fiber , real-ized by using passive optic channel , redundancy active device , adopts DWDM technology , Erbium doped fiber amplifying technology , optical signal automatic switching , with SBS suppression , and dispersion compensation technology to achieve high reliable and hot swappable digital TV network .Compared with the traditional digital TV transmission system , it featured with simple optical link , easy module structure , much smaller failure rate . |
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| Keywords: | dense wavelength division multiplexing （DWDM） erbium-doped fiber amplifier （EDFA） automati-cally switched optical signal single fiber dual channel for redundancy SBS suppression dispersion compensation |
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