Optical Transmission unit, which is an important sub-function unit of OADM device and OXC device.
光信号转发单元，是光传送网设备OADM和OXC的重要组成部分。
Most of recent OADM device are not all-fiber device, so applications of those device are limited.
现有的OADM多为非全光纤器件，在应用上受到了一定的限制。
Optical add-drop multiplexer (OADM) is one of the key components for wavelength division multiplexing (WDM) system.
光分插复用器(OADM)是波分复用(WDM)系统中的关键器件之一。
In order to solve the problem of electronic bottleneck, photonics technology is adopted by using OADM and OXC in nodes.
为了解决交换中日益严重的电子瓶颈问题，在节点处引入光子技术，使用了OADM和OXC。
This paper presents an object-oriented data model OADM which supports the process of architecture design and manifestation.
本文提出一个适合于建筑设计和建筑表现的面向对象数据模型OADM。
SHAONET, the first WDM all optical network testbed in China, is a metropolitan self-healing ring. A novel OADM having protection function is adopted.
SHAONET是国内自主开发的第一个WDM全光试验网平台，它采用了一种新型保护结构的OADM，具有很强的自愈功能。
The basic principles and simulation methods of a null-coupler-based OADM are studied firstly, especially in the crosstalk of a Y-branch structure and the coupling properties of a tilted grating.
论文首先研究了零耦合器型OADM器件的基本原理与设计方法，特别是Y分支的串扰特性与斜光栅的耦合特性。
The basic principles and simulation methods of a null-coupler-based OADM are studied firstly, especially in the crosstalk of a Y-branch structure and the coupling properties of a tilted grating.
论文首先研究了零耦合器型OADM器件的基本原理与设计方法，特别是Y分支的串扰特性与斜光栅的耦合特性。
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