查询词典 optical cable

The invention relates to an objective lens for converging light emitted by a light source to irradiate an optical recording medium with the convergent light, an actuator having the same, an optical head for recording information on the optical recording medium and reproducing information recorded on the same, and an information recording/reproducing apparatus utilizing the same.

本发明涉及将从光源射出的光会聚并将聚焦光照射到光学记录介质上的物镜和配备有该物镜的致动器、以及将信息记录在光学记录介质上或对所记录的信息进行再生的光学头和使用该光学头的光学记录再生装置。

Secondly, coupling theory of optical fiber and the application of optical fiber coupler in optical system are introduced.

其次，介绍了光纤耦合理论和光纤耦合器在光学系统中的应用。

In this thesis, the oxygen sensitive materials and glucose sensitive materials had been developed by thermo-polymerization method including carrier covalence method and carrier covalence-cross linking method, and the properties had been investigated using the detection experiment of oxygen and spectrophotometer, at the mean time, the applications of oxygen sensitive materials in fiber optical gaseous oxygen sensor and fiber optical dissolved oxygen sensor, and that of biology sensitive materials in fiber optical dextrose sensor had been studied in this paper.

本论文采用热聚法(包括载体共价法和载体共价-交联法)制备氧敏感材料以及在此基础上制备了对葡萄糖敏感的敏感材料，利用氧测试实验或分光光度计对氧敏感材料进行性能评价，研究氧敏感材料在光纤气态氧传感器和光纤溶解氧传感器中的应用以及氧敏感材料在光纤葡萄糖传感器中的应用。

An optical cross-connect, comprises at least one controllable switch module and a distribution frame, which may be monitored by means of a network management system, the external and internal optical distributor inputs and outputs of which (ir1 to irn, er1 to ern) may be connected within the distribution frame, by means of several optical connection paths.

要约 光学的交叉连接器有至少一个可控制的开关模块和经过网络管理系统可监控的一个分配器框架，其外部和内部的光学分配器输入端和分配器输出端(ir1至irn，er1至ern)在分配器框架内经过多个光学的连接导线是可以连接的。

With the explosive increase in network traffic and the emergence of high performance optical network devices, such as optical cross-connect and optical add/drop multiplexer, wavelength-division multiplexing technology have emerged as a promising candidate for next-generation networks.

网络业务量的爆炸性增长以及高性能的光网络设备（如光交叉连接器OXC、光分插复用器OADM）的出现，推动波分复用技术（Wavelength-Division Multiplexing，WDM）成为下一代骨干网络的核心技术。

She has long been engaged in researches optical fiber communication, optical burst switching network and data network and optical network integration.

长期从事光纤通信、光突发交换网络以及数据网与光网融合等方面的研究工作。

Of the passive optical fiber network system, the near-end optical fiber line terminal OLT includes data processor, range finding counter, fast bit synchronizer, frame timing generator, etc.; and the far-end optical fiber network unit ONU includes delayer, transmission delaying positioner and data processor.

一种无源光纤网络系统，其中近端光纤线路终端OLT（1）包括：数据处理器（11）、测距计数器（13）、快速比特同步器（14）、帧定时发生器（12）等，远端光纤网络单元ONU（2）包括：延时器（23）、发送延时定位器（24）、数据处理器（21）。

The polarization light used to affect the accuracy of optical test instrument, optical sensor and the quality of optical communication system, the depolarizer can be used to decrease the affection. Different kinds of depolarizer have different applications, so we need select proper kind of depolarizer for special application.

偏振光会对光学仪器测量精度、光通信系统传输质量及传感器精度产生影响，通常可以采用退偏器来减小这种影响，但每种退偏器都有一定的应用范围，要根据不同的应用来设计选择相应的退偏器类型。

Depolarizer can be used to reducepolarization-dependent damage and thus polarization-related problems can be solvedin optical fiber communication systems, measuring instrument and optical fibersensor. PMD emulator is used to mimic PMD behavior of real optical fibertransmission systems, and it is one of the key technologies for solving PMDproblems.

消偏器可以有效地消除偏振损害，解决光纤通信系统、测量仪器及传感器中的偏振相关问题；PMD模拟器用以模拟实际光纤的PMD现象，是解决PMD问题的关键技术之一。

Due to the numerical aperture of DVD pickup is large, and the characteristic size is small, the error of scalar diffraction theory is very large. The in-depth research work on vector diffraction of optical disc was carried out. The optical disk model was analyzed use the rigorous coupled wave theory, and some significative conclusion was obtained. These conclusions can use for guidance of scheme designing of optical pickup.

针对DVD读取头光学系统数值孔径大，光盘特征尺寸小，标量衍射理论误差大等缺点，采用矢量衍射理论对光盘的衍射进行了深入的研究，首次在光学读取头领域中将耦合波理论应用到光盘的衍射分析中，得到了一些有意义的结果，这些结果可以用来指导光学读取头方案的设计。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"