Results 91 to 100 of about 5,452 (212)
Utilization of 10 Gbps DWDM System with Duobinary Modulation into Passive Optical Network
Journal of Communications Software and Systems, 2018 Passive optical networks are considered to be the most promising solution for future access networks. Growing demand for capability and high bit rate transmission has become an important part of metropolitan optical communication networks in recent years.
Tomáš Huszaník +2 more
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Guangtongxin yanjiu, 2000 对基于 IP over DWDM的新型数据网络体系结构—光互联网络技术进行了探讨 .在分析了三种构造未来信息网络解决方案的基础上 ,着重对基于 IP over DWDM的光互联网络的关键技术 ...
徐荣, 龚倩, 纪越峰, 叶培大
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Sistema para cálculo de enlaces ópticos DWDM [PDF]
, 2013 A crescente demanda por capacidade de transmissão de dados por fibra óptica é atendida pela implantação de sistemas Dense Wavelenght Division Multiplexing (DWDM).
Canal, Bruno
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Guangtongxin yanjiu, 2001 通过对 DWDM合路光信号性能指标的特点与在线监测必要性的分析 ,提出了利用可调谐 F- P干涉滤波器进行光谱监测的技术 .通过实验 ,取得了较好的结果实验数据 ,并实现了 32× 2 .5Gbit/s ...
雷非
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Evaluation of Optical Filters for DWDM-Direct in Next Generation Optical Access
In past few years, the number of users to the Fibre-To-The-Home (FTTH) technology increased fast because of the great potentialities of broadband access. Due to this trend Gigabit Passive Optical Network (G-PON) and Gigabit-Ethernet-PON (GE-PON) has been
Bobrovs, Vjačeslavs +2 more
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Guangtongxin yanjiu, 2003 文章首先分析了某联通省级干线传输网的现状及不足;接着在简要介绍DWDM的技术优势后,提出并详细描述了采用DWDM技术改造现有网络的设计方案;最后讨论了该方案在实现联通网络资源优化、配置合理和网络安全保障等方面的优势及发展远景。
胡霄汉, 朱庆林, 范志文
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Guangtongxin yanjiu, 2004 文章阐述了密集波分复用（DWDM）信道光谱特性的自动测试系统的设计.主要分析了测试系统的构建以及控制软件的设计,通过实验结果对DWDM器件的性能也做了一定分析.文中还介绍了目前比较流行的通用接口总线（GPIB）接口的特性,并介绍了GPIB卡的使用方法.
曹倩, 刘德明, 姜炜, 柯昌剑
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Guangtongxin yanjiu, 2005 密集波分复用（DWDM）的出现扩大了长途传输网的容量,但是DWDM技术的复杂性和使用了昂贵的器件,限制了DWDM在城域网的应用。最新研制的光纤,其在整个宽工作带,包括在（1380±3）nm上都具有低水峰。低水峰光纤与粗波分复用（CWDM）系统比用标准单模光纤（SMF）的同一系统所用的信道间隔宽33%。经过恶劣的环境试验证明,低水峰光纤具有稳定的抗氢气引起的衰减性能,可确保现场安装的低水峰光纤光缆长期可靠地工作。由于低水峰光纤具有优异的弯曲敏感性,使其与最近研制的宽带接入技术,即所谓的光纤到驻地（FTTP）
Shashi Kant +3 more
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Influence of phase optic sensor to the DWDM network
, 2015 This article deals with influence of phase optic sensor to the DWDM transmission. In DWDM network we use four lasers sources for data transmission on one optical fiber. Next one DFB laser is used for phase optical sensor on the same optical fiber.
Čučka, M.
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Dianxin kexue, 2018 Based on the study of the mechanism of quantum encryption system,the system architecture of open quantum cryptographic communication was proposed.In order to better integrate with the existing communication system,a quantum key distribution (QKD) system ...
Jianjun TANG +4 more
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