查询词典 optical cable

A new one dimensional optical orthogonal codes(1 D OOC) named extended hyperbolic line congruence codes is constructed,and its performance is analyzed.

构造了一种扩展的双曲线性同余码并分析了其码字性能。

The primary reflector and the secondary reflector of the double-reflecting optical converging primary system are paraboloidal and hyperbolical mirrors, respectively.

所述双反射光学会聚主系统的主反射镜为抛物面镜，次反射镜的反射面为双曲面。

The different hyperfine lines show distinguishable different shifts under the action of the optical field.

第六章在第四章理论的基础上，以Na原子为例，探索研究了超精细相互作用对激光诱导的ESR频移的影响。

Methods Hypothalamus tissues in bodies of 3 cases with SZ were observed on electron microscope and optical microscope.

方法将 3例慢性SZ患者尸体下丘脑组织进行光镜和电镜观察。

The experiment shows the extinction ratio of o light is better than 10－5, that of e light is better than 10－3 although it is influenced by the optical glass, and the transmittance of the combination is basically the same as that of the pure Iceland spar prism.

实验测试表明：该棱镜透射的2束平行光的消光比，o光可达10－5；尽管受到光学玻璃的影响，e光的消光比仍优于10－3；透射比均与纯冰洲石晶体材料的棱镜基本相当。

A lighting appliance with a reduced encumbrance for industrial environments, comprising a head ( 11 ), equipped with an upper support ( 10 ) for hooking the appliance to the ceiling of an industrial warehouse or building in general, and two reflectors which can be disassembled from the appliance structure, one ( 13 ) above or inside the head ( 11 ), with a complex faceted optical system, and one ( 12 ) lower or outside the head ( 11 ), with a segmented geometry; a vertical regulation system of the lamp ( 15 ) of the lighting appliance allows the illuminating engineering characteristics of the appliance to be varied, obtaining different photometric conditions according to the distance of the lamp ( 15 ) from the work surface.

一种用于工业环境的减小体积的照明设备，包括：头部(11)，该头部装备有将照明设备钩在工业仓库或普通建筑天花板上的上部支承件(10)；和两个可以从设备结构中拆开的反光器，一个反光器(13)位于头部(11)的上面或内部，具有复杂的有小平面的光学系统，一个反光器(12)位于头部(11)的下面或外部，有球缺的几何形状；照明设备的灯泡(15)的垂直调校系统使得设备的照明工程特性根据灯泡(15)离工作表面距离变化，以获得不同的光度条件。

The professor of Northwest University, he is the chairman of Xi'an Laser and Infrared Society, vice-chairman of Shaanxi Illuminating Engineering Society, member of SPIE(The International Society for Optical Engineering).His major is optics and optoelectronics.

现社会兼职：西安激光红外学会理事长，陕西省照明学会付理事长，河南省照明学会常务理事，郑州国家交流协会副会长，并曾任《激光杂志》副主任，《中国激光》第三、四届编委。

In order to improve the performance of Automatic Optical Inspection system,an illuminator for leadless tin solder joint inspection was studied.

为了提高自动光学检查系统的性能，对AOI光源进行了研究。

It also included an integrated optical sight and IR laser aiming module/illuminator.

它还包括整合光学瞄准镜和IR激光瞄准器。

In order to detect light energy while keeping illuminator in a sealed box,an optical safety cover is designed.

为了在实现照度仪密封的同时检测光能量，设计光电探测器光学保护罩。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。