| 区级有线数字电视网络改造中1550系统的应用 |
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| 引用本文： | 陈帮勇.区级有线数字电视网络改造中1550系统的应用[J].中国有线电视,2011(5):620-622. |
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| 作者姓名： | 陈帮勇 |
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| 作者单位： | 宜昌市夷陵广电网络有限公司,湖北宜昌,443100 |
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| 摘 要： | 主要分析了1 550系统在区级有线数字电视发展中应用的优势,在原有线电视1 310 nm波长光纤联网的基础上,以1 550 nm波长的光纤系统传输广播电视信号到镇乡和城区节点,以提高传输质量。介绍了掺铒光纤放大器（EDFA）在1 550 nm波长的光纤传输中的应用,论述了改造设计时应注意的问题。
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| 关 键 词： | 数字电视 光纤 EDFA |
District- level Transformation of Digital Cable TV Network 1 550 System |
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| CHEN Bang-yong.District- level Transformation of Digital Cable TV Network 1 550 System[J].China Cable Television,2011(5):620-622. |
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| Authors: | CHEN Bang-yong |
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| Affiliation: | CHEN Bang-yong(Yichang Yiling Radio Network Co.,Ltd,Hubei Yichang 443100,China) |
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| Abstract: | This paper analyzes the 1550 system in the district-level development of cable digital television applications the advantages of the original building in the 1310nm wavelength fiber cable network,based on the 1550nm wavelength fiber optic systems transmit radio and television signals to the towns and villages and urban nodes,and built A new transmission network to improve transmission quality.Introduced the erbium-doped fiber amplifier(EDFA) in the 1550nm wavelength of optical fiber transmission,discusses t... |
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| Keywords: | digital television optical EDFA |
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