25、0GHzCSRZgoodNormal50GHzDMSVery excellentGood50GHz工程实施负责,需要RAMAN放大器SuperCRZVery excellentNomal50GHzSuperDRZExcellentGood25GHz在非线性、色散、和光谱效率三方面取得最佳平衡SuperWDM technology63第63页,共81页。FEC技术FEC技术有带内FEC和带外FEC两种,DWDM单板主要采用带外FEC技术,带外FEC由ITU-T ...
噪声指数低 缺点:泵浦效率低,阈值高 分类 分立式拉曼放大器 分布式拉曼放大器 The principles are rather general and are probably quite similar when ISDN was invented, however this time the GII takes into account new concepts for Network Architectures and the Technology allows the implementation of the ...
DMS Very excellent Good 50GHz 工程实施负责,需要RAMAN放大器 SuperCRZ Very excellent Nomal 50GHz SuperDRZ Excellent Good 25GHz 在非线性、色散、和光谱效率三方面取得最佳平衡 SuperWDM technology * FEC技术 FEC技术有带内FEC和带外FEC两种,DWDM单板主要采用带外FEC技术,带外FEC由ITU-T G.975/709标准支持...
Regardless of filtering technology, the principle function of the OADM is to add and drop specific wavelengths without interfering with the remaining wavelengths that pass through the filter. One needs to verify three paths: the in-out (pass-through) path, the in-drop (drop) path, and the ...
FN1200 is a multi-service intelligent WDM product based on OTN technology. FN1200 adopts combined dispatching technology in optical and electrical layers and has the aggregation, cross-connection and transmission functions. After loading intelligent control plane based on GMPLS, FN1200 has SDH-Like ...
DWDMtechnologyallowssever 君,已阅读到文档的结尾了呢~~ 立即下载 chaqu2 分享于2015-01-11 04:46
27、ExcellentGood25GHz在非线性、色散、和光谱效在非线性、色散、和光谱效率三方面取得最佳平衡率三方面取得最佳平衡SuperWDM technology63FEC技术FEC技术有带内FEC和带外FEC两种,DWDM单板主要采用带外FEC技术,带外FEC由ITU-T G.975/709标准支持。 u ITU-T G.975利用RS(255,239)码对SDH信号直接进行FEC编/解码...
和光谱效率三方面取得最佳平衡 SuperWDM technology * DRZ码型技术 0 0 0 1 1 1 1 1 0 0 1 1 0 1 0 0 1 0 0 0 0 0 1 0 1 0 1 1 1 0 1 1 0 SuperDRZ 0 0 0 1 1 1 1 1 0 0 1 1 0 1 0 0 1 0 0 0 0 0 1 0 1 0 1 1 1 0 1 1 0 SuperDRZ 进入光纤传输前的...
WRI-DWDM原理和技术.ppt,SG 13 /GII presentation DWDM原理与技术 (关键技术与应用) 内容提要 DWDM技术概述 产生的背景 DWDM技术的特点 DWDM技术要点 DWDM系统与组网 扩容的选择—空分复用 扩容的选择—时分复用 时分复用有两种 电时分复用ETDM 光时分复用OTDM 电时分复