查询词典 optical

As a key optical network devices, optical power splitter is therefore of great significance.

作为光网络的关键器件，光功率分配器的研究因此具有重要的意义。

In the optical-fiber channel, amplified spontaneous emission noise in the optical amplifier is the major source of noise.

在远程光纤信道中，放大器自发辐射噪声是主要噪声源。

An autonomous optical navigation scheme for cruise phase is presented in this paper, in which the relative position for probes is based on the star light and body edge data that is measured by star sensor and optical navigation camera respectively.

提出了一种用于探测器在巡航段的自主光学导航方案，该方案利用光学导航相机以及星敏感器，通过测量星光信息以及天体边缘的信息，得出了探测器的相对位置。

The stable and reliable operation voltage of the probe can be given by the following methods:(1) 20% light coupling efficiency is obtained by direct coupling of LD-optical fiber.(2) The light power is transmitted by multi-model optical fiber.(3) The largest photo-electric conversion efficiency is achieved by selecting the transformer regulation of step-up transformer.(4) The stable light intensity is achieved by using LD light feedback of driving circuit and refrigeration.

通过下述方法可提供稳定、可靠的探头工作电压：LD—光纤的直接耦合方式，可实现20％左右的光耦合效率；采用多模光纤传输功率；选择升压变压器最佳变比提高光电转换效率；采取LD驱动电路光反馈以及致冷措施使其发光幅值稳定。

The optical activity of a stereoisomer is expressed quantitatively by its optical rotation, The specific rotation 〖α〗D25C of an optically active compound is defined thus

立体异构体的光学活性是以旋光度定量表示的，光学活性物质的比旋光度〖α〗D25C是这样定义的

The integrated optical networks based on optical swapping technology will be the new development direction of communication networks in future.

以光交换技术为基础的全光网络将是未来的新型通信网络的发展方向。

The study demonstrates that there are four ways to expand the bandwidth of servo control system of the electro-optical theodolite: 1 Improving the free vibrancy natural frequency of optical-electronic theodolite; 2 To compensate the structural syntony ; 3 Using electric current feedback; 4 Using acceleration and velocity feedback.

研究表明，提高光电经纬仪伺服控制系统带寛有4个途径：1）增大光电经纬仪固有频率；2）对结构谐振进行补偿；3）使用电流反馈；4）使用加速度和速度反馈等。

In this paper,we chosed the Piranha package LED as lighting sourse,and designed the reflector cavity and pillow lens,and built the 3D model of tail lamp in the structure software Catia,and obtained the optical simulation results of tail lamp in the optical simulation software TracePro,and we succeed in developing a LED tail lamp in last;After the testing in automotive lamp center,it was proved that our lamp achieved the national standard of automotive lamps.

摘 要：采用食人鱼系列的发光二极管(light em itting d iodes，简称LED)作光源，进行枕型透镜与反射腔的设计，在结构软件Catia中建立了一款后位灯的三维模型，并利用光学软件T raceP ro进行光学效果的仿真，开发出了一款LED后位灯。样品经汽车灯具测试中心检测，性能满足国家标准要求。

The company allied telesis declared about the beginning of deliveries for thenew optical net device AT -ON1000, which ensures the transformation of signals in the networks GEPON (passive optical networks on the basis of technology gigabit ethernet).

该公司Allied telesis宣布约开始交付新的光网设备（光网络单元， ONU的）- on1000 ，以确保转型的信号，在网络gepon （无源光网络的基础上技术的千兆以太网）。

Tellurite glass systems have been a hot research because of their special optical property which can be used in telecommunication fields such as EDFA (Er3+-doped fiber amplifier) and nonlinear optical devices.

碲酸盐玻璃由于独特的光学性质在光通讯领域具有潜在的应用价值，如掺铒光纤放大器和非线性光学器件，因而得到广泛的关注。

World War II: Battle of Saipan - Americans take Saipan.

1944年的今天，美国在塞班战役中拿下塞班岛。

When the scorner, the rejecter of truth, has become presumptuous; when the routine of work in the various money-making lines is carried on without regard to principle; when the student is eagerly seeking knowledge of everything but his Bible, Christ comes as a thief.{DA 635.3

当讥诮和拒绝真理的人，到了任意妄为时，当追求财利者罔顾按道义经营谋利时，当学人正在兢兢业业地研究各种知识，而单把圣经丢在一边时，基督要像贼一样来临。