roadm

Design and implementation of broadcast & select - based ROADM

广播与选择型ROADM的设计与实现

A Research on the Voltage Intelligent Control Module for a New-type ROADM

新型ROADM电压智能控制模块研究

Finally , the application of the tuning ROADM in all-optical network is studied .

最后探讨了调谐型ROADM在全光网络中的应用。

Simplify ROADM module and its applications in transmission networks

简化的ROADM模块及其在传送网络升级改造中的应用

Meanwhile , experimental system solutions about ROADM based on four-fiber collimator is designed .

同时，从实验的角度设计了基于四光纤准直器的ROADM实验系统方案，对相关数据进行了分析。

A Method of Chaos-based Secure Multiplex Communication The Implementation Scheme of the Multiplex Communication System in ROADM

一种基于混沌的多路保密通信方案多机通信在可重构光分插复用器中的实现

The results show that the ROADM design is reasonably practicable to meet the requirements of the transmission in MAN .

结果显示，所提出的ROADM设计方案合理可行，能够满足在城域网中的传输要求。

ROADM enables the configuration of drop , add and express wavelengths at remote nodes via software control .

可重构光分插复用（ROADM）设备可以通过软件实现远程节点上、下路和直通波长的配置。

With the development of ROADM technologies , carriers gradually adopt ROADM as important optical nodes in their transport network .

随着ROADM技术的发展，运营商逐渐采用它作为传送网的重要光节点。

The ROADM module suggested here has advantages of low cost and low interfere with other signals in the same networks .

文章所建议的ROADM模块具有成本低、对网络中其它信号干扰小等优点。

The characteristics of the ROADM are studied experimentally , and especially the crosstalk is analyzed and calculated in detail .

对该可重构的光分插复用器进行了实验研究，并对该器件的串扰特性进行了详细的分析与计算。

It can be employed as the key part in a ROADM and OXC , thus the flexibility and stability of network node is improved .

该器件作为构成ROADM和OXC的关键部件，可以提高光网络中网元节点的灵活性和稳定性。

What is the best way to improve the tuning speed of ROADM in order to adapt to the high speed transmission of data over optical network is a research hotspot .

如何提高其调谐速度以适应高速的光网络数据传输是当前研究的难点和热点。

Compares the traditional ROADM system structure , our institute and proposed the ROADM system has certain superiority in the cost and the volume as well as the reliability . 2 .

相比传统ROADM系统结构，我们所并提出的ROADM系统在成本和体积以及可靠性上有一定优势。

The realization of the agent using the MCU is the point of the innovation . 3 . Implementation of SNMP Agent-side software for ROADM terminal equipment .

其中代理端的实现使用低成本单片机实现的方式，是该软件实现的创新点。3.ROADM终端设备网管代理端软件的实现。

The ROADM with 4-stage parallel connection is designed and analyzed to prove its advantages , whose routing control table at the dropping state is also provided by the matrix analysis .

设计并分析了4级并联的梯状式ROADM，由传输矩阵导出各种波长下载状态的路由控制表。

As the key equipment of WDM all-optical network , the reconfigurable optical add / drop multiplexer ( ROADM ) is becoming the research focus of the field of optical communication .

可重构分插复用器（ROADM）作为全光网络中的关键节点器件逐渐成为光通信领域研究的热点。

A new kind of electro-optical tunable ROADM was developed , it can upload and download specific carrier wave by regulating the voltages of its polarization conversion unit and wavelength tuning unit .

新型电光调谐型ROADM通过超高速调节其偏振转换单元与波长调谐单元的电极电压来实现特定波长的上下载，调谐速度达到了纳秒量级。

The reconfigurable optical add-drop multiplexer ( ROADM ) is a crucial component in the optical network which will be used in the Internet and digital television network , enhancing their performance , band width and speed .

可重构光分插复用器（ROADM）是全光网中的关键节点器件，它将用在计算机互联网、数字电视网络中并且提高其信号质量、带宽和速度。

The Multi-Degree ROADM is not only with better self-adaptive and self-organization ability , but also with the flexibility in allocation of wavelength resources , which satisfies the requirement of dynamic business in the future . 5 .

该方案具有更好的自适应和自组织能力，实现波长资源的灵活分配，满足动态的业务需要。

By analyzing Four Wave Mixing ( FWM ) theory and doing simulation experiment , a conclusion has been reached : In optical networks , tapping and attacking based on FWM can be realized by virtue of ROADM .

在分析四波混频（FWM）理论的基础上，通过仿真实验证明了：借助ROADM，基于FWM效应可实现光网络的窃听和攻击。

We can use the technology to track the optical signal in the optical layer , so we also can clear that the detective of the intelligent control plane ( NMS ) is performed correctly or not at the ROADM nodes .

由以上的需求，波长跟踪技术应运而生，我们可以利用波长跟踪技术实现在光层对光信号的跟踪，从而明确智能控制平面（网管）在ROADM节点下达的上下波指令是否被正确的执行。

This paper analyzed three kinds of present ROADM which are based on WB ? iPLC and WSS respectively , discussed several schemes to implement ROADM , then puts forward a new architecture of optical node that is named Semi - ROADM .

文章分析了当前ROADM的三种主要技术（分别基于波长阻塞器、集成平面光波导和波长选择开关），讨论了实现ROADM的几个方案，提出一种称为Semi-ROADM的节点结构。