optical communication line 中文意思是什麼

optical communication line 解釋
光通信線路
  • optical : adj 眼的；視覺的；視力的；幫助視力的；光學（上）的。 optical activity 【物理學】旋光性。 an optic...
  • communication : n. 1. 通訊，通知；交換；信息；書信，口信，通報。2. 傳達，傳授；傳播；傳染。3. 交通，交通機關；聯系，連絡（設備）。4. 【宗教】接受聖餐。
  • line : n 1 線；繩索；釣絲；測深度用繩，捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  1. Current transducer ( ct ) is an important measurement instrument in the power line monitoring. with the development of the technology of fiber communication and integrated electronics, the hybrid - type optical current transducer ( hoct ) will be the succedaneum of the traditional current transducer

    電流互感器是電力監測中的重要測量儀器，隨著光纖通信技術與集成電子技術的發展，混合式光纖電流互感器必將成為傳統電流互感器的換代產品。
  2. It mainly focuses on the development of optical fiber communication and maintenance of the optical fiber line operation resulting from the expansion of network. it also changes from the positive method of maintenance to an automatic, real - time alarming and optical fiber automatic reversion system. finally the system can supervise the power of local optical fiber cable network and provide information ( including geographic information ) for the equipment management in local computer center

    它主要解決由於光通信的發展，網路規模的擴大所帶來的光纜線路的運行維護問題，並且把以前的被動維護方式過渡到自動、實時告警（報警）和光路自動倒換的模式上，同時系統提供了本地網光纜的光功率監控和本地機房設備管理信息（包括地理信息）功能。
  3. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式，電力系統的發展使得電流差動保護應用於線路保護成為需要，而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先，本文對目前線路保護的研究和實際應用情況進行了討論和分析，比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次，針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點，同時為加快差動保護的動作速度，對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析，結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護，對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  4. However, at this stage it is instructive to consider the advantages provided by lightwave communication via optical fibers in comparison with other forms of line and radio communication which have brought about the introduction of such systems in many areas throughout the world

    然而，相比于其它在全世界很多地區引進這樣的系統的有線及無線電通信方式來說，重視由光纖實現的光波通信的優勢是很有意義的
  5. Benefit from the rapid growth of domestic power line communications network, we are committing to manufacture, sales and research of cable anchoring and control hardware and systems for opgw and adss optical fiber. in order to satisfy the growing demand from domestic and overseas customers, we succeed in designing patented series products of anchoring system for both optical fiber and communication power line by absorbing international advanced technology and procedure

    公司著眼于電力行業的高速發展，長期致力於opgw和adss特種光纜及電力線纜的預絞絲配套安裝金具產品的開發生產和銷售，並結合國內外用戶的實際需求，引進和吸收國內外先進的技術工藝，成功研發出自主知識產權的全系列光纜配套金具和電力線路用螺旋預絞絲導線金具。
  6. China is particularly connector forum areas connector. the special field connector, line cable, automobile electron, fibre - optical, switch, communication equipment and material produce a manufacturing engineering, the testing standard communicates with

    中國連接器論壇是特別領域連接器，連接器技術，線束，電纜線，汽車電子，光纖，通訊設備和材料生產製造工程，測試標準發布和收集的專業技論壇
  7. The operations of company mostly focus on equipment fixing engineering and line fixing engineering in jilin province, for example wireless communication, microwave communication and long distance optical cable etc. the goal of company is " quality the first, reputation the first, customer the first and service the first ", so it has good reputation in communication engineering construction field in jilin province

    2004年，公司按集團公司的要求，進行了薪酬體系的改革，實行競聘上崗，以崗定薪的薪酬體系。 2005年10月，按照網通集團公司「改制、上市」的部署，吉林通信建設公司成為吉林省通信行業第一家改制的國有企業。
  8. The method is significant to the domestic study on current differential protection using optical fiber communication channel of subway line or short distance line

    該方法對我國自行研製地鐵線路或短線路光纖縱差保護有一定的參考意義。
  9. The fiber raman amplifiers ( fras ) are more and more attractive for its particular virtues such as on - line, wide band, and low noise etc, and they are very fit for dense wavelength division multiplexing ( dwdm ) system of next generation charactered by its super large capacity and long transmission distance. fras are unsubstitutable in the fields such as optical fiber communication over the ocean, long haul transmission and exploitation of the entire low - loss band of fiber

    光纖拉曼放大器因其特有的在線、寬帶、低噪聲等特點而越來越被人們關注，是一種非常適合下一代超大容量、超長距離dwdm系統的光放大器，尤其是在海底跨樣光纖通信、超長距離光纖通信以及開發整個光纖低損耗窗口等方面有著不可替代的優勢。
  10. If no measures are taken, the serious basic - line - shift as well as the loss of chip clock and the difficulty of the data recovery will be introduced in the optical receiver, which causes the communication to go along abnormally

    如果不採取任何措施，會給光接收機帶來嚴重的基線漂移，同時會引起碼時鐘丟失和碼元恢復困難等一系列問題，導致通信無法正常進行。
  11. I t owns international - advanced cross - linked cable production lines at rated voltage up to 500kv in the 1990 s, rubber cable line of 35kv, ship and mineral cable line, optical fiber cable for communication use and data cable line, extra - high voltage cable testing device, with which bare wires, electric power cable for electric equipment, power cable and distribution air reinforced insulated generatrix slot, 5, 6, and 7 data and digital cable with 6 classes, hundreds of series and tens of thousands of specifications

    集團擁有國際90年代先進水平的500kv及以下8條交聯電纜生產線， 35kv橡纜生產線、船用、礦用電纜生產線、光纜、數據纜生產線以及光纜、超高壓電纜檢測裝置，能生產裸電線、電氣裝備電線電纜、電力電纜、配電類空氣加強絕緣型母線槽， 5 、 6 、 7類數據纜、光纜共六大類、百余個系列、萬余種規格的產品。
  12. For long - haul high bit rate trunk line optical fiber communication system and metro optical fiber network, a semiconductor optical amplifier ( soa ) is the most promising component due to its all kinds of properties and small dimension, compactiveness, low drive voltage, such as in optical network solutions, polarization - insensitive semiconductor optical amplifier ( pisoa ) is a popular candidate as optical gates. but the polarization - insensitivity over large wavelength range is requested. the purpose of this thesis is to develop a soa which is polarization - insensitive and has large 3db bandwidth

    隨著寬帶傳輸和寬帶接入以及全光網的組建和發展，大帶寬偏振不靈敏半導體光放大器（ semiconductoropticalamplifier ， soa ）由於其易於與其它器件集成，體積小，具有快的動態增益響應，非線性好，飽和輸出大，可實現無損操作等特點，在光通信網路中，成為光纖通信發展，全光網組建以及wdm 、 tdm技術成熟的關鍵部件之一，其中偏振不靈敏和大的3db帶寬是性能優良soa的重要指標，也是制備的技術難點。
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