環路光纖 的英文怎麼說

中文拼音 [huánlùguāngxiān]
環路光纖 英文
fitl fiber in the loop
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 纖 : 纖形容詞（細小） fine; minute
  1. Chapter five describe the real example of the project of dwdm. related with the project of the east - north loop of fiber transmission system, research the layout of the network, analysis the performance of the transmission and bring out the frondose project of construction, inculde the number of the wave length, the speed of the transmission, the style of he fiber etc. chapter six is the summary of the article

    第五章是dwdm技術在通信工程建設中的實際應用，本論文以作者參與的一項具體的工程設計? ?中國移動集團公司建設的東北環光纜傳輸工程中dwdm技術的運用為實例，根據預測業務發展的要求，從傳輸性能的分析，到網路的規劃，技術上的實現，提出了其具體的建設方案，包括波長數目、傳輸速率、光纖類型、光復用段、設備制式等。
  2. Optical power meter real - time monitor optical power of each optical cable, and control computer gather the value of optical power attenuation circularly, if some values excess the limit, the computer control optical switch to connect another spare optical fiber with otdr card, control the otdr card to test the optical fiber, and then find the malfunction point accurately. the system require software system to run with hardware devices tother. this paper analyze requirement and technical feasibility in software system, ooa and uml are used to analyze software and abstract the class diagram

    通過光功率計對每條光纜中的備用光纖進行實時的監控，測試光功率的衰減值，主控計算機不斷循環的對每個光功率模塊進行數據採集，並記錄每路光信號的光功率衰減值，然後進行分析處理，如發現達到設定的光功率衰減門限值就報警，並控制光開關的切換，將故障光纜中的另一備用光纖與otdr卡連接，通過otdr卡對該光纖進行測試，從而確定故障點。
  3. The increasing of single channel capacities and evolution of optical networks topology, from simple point - to - point to intelligent optical networks, call for strict demands to optical filters. in this paper, the crucial technologies of optical filters such as interleaver, optical digital filter, fused biconical taper all - wave coupler as well as polarization - pump combiner have been studied experimentally and theoretically, which include : 1. a new process, cascaded fbt ( fused biconical taper ) with precise control as well as strict interference arm length difference, is proposed for the first time to our knowledge

    單通道速率不斷提高以及網路拓撲由單一的點對點傳輸向可上下載的環網和可動態選擇波長路由的智能型格形光網路演進，對光濾波器的常規性能指標、時域特性和動態可調諧特性提出了更加苛刻的要求，鑒於此，本論文全面研究了全光纖熔錐型奇偶交錯濾波技術、數字光濾波技術、基於g - t全通濾波器的奇偶交錯濾波技術以及熔錐型全波耦合器和偏振泵浦合波器。
  4. Equipped with a world - class optical fibre communications network, hong kong offers a favourable environment for the development of software relating to web - based application, intranet solution, multimedia, edi, e - commerce, video - on - demand and training

    香港擁有世界一流的光纖通訊網路，為開發與網上應用、內聯網解決方案、多媒體、電子數據聯通（ edi ） 、電子商貿、視像自選系統（ vod ）有關的產品，以及進行培訓等提供了有利環境。
  5. The committee has produced draft standards for high - speed coaxial cable bus and fiber optic ring local networks

    該委員會已經制定了高速銅線電纜總線及光纖環本地網路標準草案。
  6. So it becomes the most competitive new type of gyroscope. the interference fog is in the application process. the resonance fog needs shorter fiber or waveguide to realize the same sensitivity, comparing with the interference fog it can realize integration in silicon planar waveguide module and integration of ring cavity, input and output optical circuits and modulator in single chip of planar waveguide

    與干涉式光纖陀螺相比，為達到同樣的靈敏度，諧振式光學陀螺需要的光纖或波導長度要短幾十倍，並可以進一步實現將環形腔、輸入輸出光路、調制器等集成在單片平面波導上，特別適合於研製微型光學陀螺。
  7. The resonation fog needs shorter fiber or waveguide to realize the same sensitivity, comparing with the interference fog. it can realize integration in silicon planar waveguide module and integration of ring cavity, input and output optical circuits and modulator in single chip of planar waveguide. it fits the rmog very much, which stands for the trend of miniaturization of gyroscope

    干涉式光纖陀螺已經進入實用化階段，與干涉式光纖陀螺相比，達到同樣的靈敏度，諧振式光學陀螺需要的光纖或波導長度要短得多，可以實現將環形腔、輸入輸出光路、調制器等在單片平面波導上的集成，特別適合於微型光學陀螺（ rmog ） ，代表將來陀螺小型化的發展趨勢。
  8. Edri has successively take on about 1900 project of design, consultation, supervision and lump - sum project, has accumulated professional technological superiority in large area, high level classifying air - condition system, ultra pure industry gas system, ultra pure water system, automatic control system, data communication system and static prevent, vibration prevent, electromagnetic pollution control which required by large - scale integrate circuit, optical fiber cable, pharmaceutical project and electronic project, etc

    Edri先後承擔了設計咨詢監理總承包工程近1900多項，對大規模集成電路光纖光纜生物製品電子工程等高新技術產品生產環境所需要的大面積高級別凈化空調系統高純工業氣體系統超純水系統自動控制系統數據通信系統以及防靜電防微振電磁環境污染控制等方面的設計具有獨特的專長。
  9. At the same time, it uses a frequency translator to obtain a frequency shift, which is equal to the brillouin frequency in fiber. then the detecting pulsed light and the cw reference light can coherent. this method greatly improved the system ’ s sensitive and signal to noise ratio ( snr )

    同時在探測光路中引入一個光移頻環路，使探測光移頻后再經光纖中布里淵頻移，其後向布里淵散射光頻率與參考光束大致相當，可進行相干自外差探測，大大提高了系統的探測靈敏度以及系統的信噪比。
  10. His research subject and direction are topology structure and communication protocols of fiber optic local networks, transmission and exchange equipment of fiber optic local networks, communication and management software of fiber optic local networks, fddi, atm networks, etc

    本人研究的領域和方向為光纖區域網的拓樸結構和通信規約、光纖區域網的網路傳輸和交換設備、光纖區域網的網路通信和管理軟體、光纖環網、 atm網路等。
  11. The system ’ s mainliner is used optical fiber, based modbus protocol and connected many subsystems, video frequency system and direct telephone, as a whole of digital net, sound net and image net

    系統基於modbus網路協議，主幹環型光纖以太網路，通過智能介面和現場各監測分站，網路視頻系統和直通電話系統連接，實現數據網、語音網和視頻圖像網三網合一。
  12. Aaon is an active optical network where atm is adopted to transmit broadband and narrowband cells on the optical ring via the sdh frame structure. the service node interface is stm - n

    寬帶有源光網路採用atm傳送技術，利用sdh幀結構在光纖傳輸環上傳送各種寬帶和窄帶業務的信元，業務節點介面採用stm - n介面。
  13. The implementation of network managed agent of optical fiber integrated service ring and its structure are described. it supports the manager ' s query based on snmp

    摘要研究了光纖綜合業務環網的網路管理代理服務器的設計方法，論述了管理代理的體系結構和實現過程，它支持基於snmp協定的管理員的訪問。
  14. Industrial ethernet network of the computer monitoring and control system for ship lift of gaobazhou water control project is made up of a and b double redundancy ring optical fiber networks with better reliability and flexibility

    摘要高壩洲升船機計算機監控系統工業以太網由a 、 b雙冗餘環形光纖網路組成，具有較高的通信可靠性和靈活性。
  15. To realize the multi - service transport ability in metro wdm networks, we have built a platform based on sdh / wdm in chapter 3. the platform composes of sdh & wdm equipments at two nodes which connected by only one 50km sm fiber. some vlan modules are inserted, and the sdh forms a single - fiber bidirectional lan to transport ip service. some coders / decoders of video are connected to the modules to finish the video service transport

    在第四章，我們提出兩種保護方案： sfvpp保護方案充分利用光纖的波分復用特性，針對復雜的網路結構，把不同波長通道業務劃分成不同虛拓撲（虛環網） ，綜合利用wdm環網光層保護策略，實現網路中不同的環網綜合保護。
  16. In the design of optical system, to improve system precision, the fiber optic coupler is added to make a laser pulse circle ; in the unit of photo detection, we make a high - precision temperature compensation apd bias circuit, which allows system to abate the noise caused by temperature changer and dark current

    應變測量系統主要由光源、傳感光纖、光電探測器和信號處理電路組成。在光學系統設計中為提高系統的精度採用了光纖定向耦合器實現光脈沖的循環；在光電轉換單元上採用高精度溫度補償的apd偏置電路，減小了溫度和暗電流帶來的噪聲干擾。
  17. Basing on the surveis about external and internal development actuality of the fiber optic gyroscope, we make sure to primarily develop the digital closed - loop interferometric fiber optic gyroscope

    在充分調研國內外光纖陀螺技術發展現狀的基礎上，制定了以數字閉環干涉式光纖陀螺為重點研究的思路。
  18. Being key components of optical fiber communication, fabry - perot filters and fiber grating filters have been applied in optical sources, wdm multiplexing and de - multiplexing, and add - drop multiplexing, wavelength routers, optical switching of all optical network etc., which greatly promote the advance of high. speed optical communication technology

    而法布里-珀羅濾波器和光纖光柵濾波器是現代光通信系統中的關鍵器件，它被廣泛應用於光纖通信的各個關鍵環節，從光源、波分復用的分波和合波，到全光網路的上下路、波長路由；光交換等。
  19. Ftth, pon, fiber catv, communication system, testing equipment, transducer lan

    光纖到戶本地環路無源光網路光纖catv光纖通信系統光纖測試設備光纖傳感器局域網。
  20. The paper researches a kind of system measuring the temperature and displacement of the optical fiber that can monitor and control simultaneously the temperature and displacement of the blades two - way signals of the turbine, and alert when the emergencies happen

    本課題研究的光纖溫度位移測量系統能在惡劣的環境下，同時實時監測渦輪機軸溫及其軸向位移兩路信號，保證其正常工作，並在發生異常情況時，能立刻報警。
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