查询词典 optical cable

With the wide application of optical cable in electric power system, great attention has been paid on the reliability of optical fiber relay protection channel .

随着光缆在电力系统中的大量应用，光纤保护通道的可靠性逐渐引起电力系统的重视。

It is used for the optical fiber access network distribution optical cable connected with the interface device of consumer.

用于光纤接入网中配线光缆与用户的接口设备，可以实现光缆纤芯的熔接存储、线路分支等功能。

Integrated wiring categories: the first step F-link, Taiwan brand COPARTNER full range of products (including five super-five, six, seven categories of twisted-pair, three, five large on the number of cables, optical fiber, optical cable, patch panel, module, jumper frame, panel, crystal head, cabinets, etc.) and undertake a variety of network cabling projects.

综合布线类：首迈F-link、台湾COPARTNER品牌的全系列产品(包括五类、超五类、六类、七类双绞线、三类、五类大对数、线缆、光纤、光缆、配线架、模块、跳线架、面板、水晶头、机柜等)和承接各种网络布线工程。

An optical fiber terminus is located within the receptacle and includes an elongated body (22) with a passage along a central axis for receiving a portion of an optical fiber cable therethrough.

一种光纤末端(10)包括细长本体(12)，该细长本体具有沿中心轴线的用来接收穿过其的光纤线缆的一部分的通路、和指示部分(40)。

Though there is no unrealizable technical difficulty for FTTH, its success shall highlight the following aspects and integrate efforts to solve the key points: develop new device and kernel control chip adapting to features of FTTH, reduce the cost of optoelectronic devices and passive devices; develop low cost, easy installation indoor optical fiber, cable and linker as well as matching construction equipments and tools; develop high density, easy operation optical fiber distribution frame; and develop concentrated remote monitor, management techniques and systems.

FTTH技术是未来宽带接入的主要模式，从长远来看也是其他技术无法取代的，FTTH虽然没有技术上不可实现的难点，但要使FTTH走向成功，以下方面值得重视并应集中力量攻关：开发适应FTTH特点的新型器件和核心控制芯片，降低光电器件和无源器件的成本；开发低成本、易安装的室内光纤、光缆和连接器及相配合的施工仪器工具；开发高密度、易操作的光纤配线架；开发集中的远程监视和管理技术及系统等（178）。

In cable television networks of the optical communication systems, optical laser drive is a key component of the transmitter .

在有线电视网的光通信系统中，激光驱动器是光发射机的关键组成部分。

The company is now the long-fiber optical cable communication technology Limited and the flames Fiber Co., Ltd. was the sole supplier of optical communication products and vendors agent.

公司目前是长飞光纤光缆有限公司和烽火通信科技股份有限公司光纤盘的独家供应商和光通信产品代理销售商。

In the field of pipeline leakage supervising, the paper first brought out a leakage supervising method based on joule-Thomson effect and then analyzed the relation of leakage matter 、leakage part and the way optical fiber was laid. In the paper the author amply introduced the arts and crafts of optical cable construction.

在管道泄漏监测领域，论文介绍了一种基于joule-Thomson 效应的泄漏监测方法，并就泄漏物质、泄漏部位与光纤铺设方式之间的关系进行了分析和研究，比较详细地介绍了施工的工艺。

The general condition for athermalizing an optical system when the object surface is at finite or infinite distance is deduced in this paper, and the principle and design method of employing a diffractive optical element to athermalize and achromatize an optical system with normalized T-C chart are expanded.

推导了物面位于有限远和无限远时，实现热补偿的通用条件；并阐述了利用归化T-C 图设计消热差和消色差的红外光学系统的原理和方法。

The general condition for athermalzing an optical system when the object surface is at finite or infinite distance is deduced in this paper, and the principle and design method of employing a diffractive optical element to athermalize and achromatize an optical system with normalized T-C chart are expounded.

本文推导了物面位于有限和无限距离时实现光学补偿的通用条件，论述了利用归化T-C图设计热补偿和消色差红外光学系统的原理和设计方法，给出了8-12μm波段内、焦距123mm、相对口径F/2.5在20-60℃温度范围内的折衍混合红外光学系统的设计结果和理论评价结果，所述的设计方法可方便地推广到前视红外系统中。

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。