dwdm 中文意思是什麼

dwdm 解釋
（密集波分多路復用）：見波分多路復用，允許不同波長的波共用光纖。

  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. With the development of communication system capability, the channels of the dwdm system are geminated and the capability of every channel grows gradually. all of these require the dwdm source output has high precision and stability

    隨著通信系統容量的增加， dwdm系統的通道數成倍增加，每個通道容量也逐步提升，這些都大大增加了對dwdm光源輸出精度和穩定性的要求。
  3. E., the carrier frequency of a gaussian beam deviates from the resonant frequency of a fabry - perot etalon ), variations of the peak intensity, the position of the peak intensity and the dwdm systems, has received considerable attention. in this work, after taking into account the wavelength - depended reflectivity distribution profile of a fiber bragg grating, the oscillation wavelength # _ ( 1 ) of long external cavity fiber bragg grat

    與共振情況（即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率一致）相比，非共振條件（即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率存在偏差）一透射光束的峰值強度、峰值強度所對應的位置、以及光斑的大小隨入射角的變化都發生了顯著的改變。
  4. Chapter two describes the technology require of the dwdm system. comparing the definition and target of technology parameter which should be uesd during the projet. for example, the distribution of the wave length, the interface of the laser, the laser amplifier etc.

    第二章描述了目前dwdm系統的技術要求，對在工程應用中需要用到的技術參數（例如波長分配、光介面分類、光放大器等）的定義、要求做了剖析。
  5. Moreover, compensated for aberration of ball lens by designing phase compensating plate to get a higher energy utilization rate. third, combining with the light beam property of dwdm system, put forward taking fresnel lens array as fiber arrayed collimator, designed differently structured lens array and discovered the arrayed collimator loss property, which compared with the existing parameter of fiber collimator, embodies many advantages as arrayed collimator

    結合密集波分復用系統的光束耦合特點，提出用菲涅爾透鏡列陣做光纖陣列準直器，並設計不同結構的透鏡列陣，得出了該陣列準直器的光束耦合損耗特徵，與現有的光纖準直器的參數相比，體現出用菲涅爾透鏡列陣作陣列光纖準直器的諸多優勢。
  6. Accompany with the continuous development of oxc ( optical cross connect ) and oadm ( optical add / drop multiplexer ), optical network based on dwdm ( dense wavelength division multiplexing ) is no longer restricted in the peer - to - peer transmission, but it spans to the area of network interconnecting

    隨著oxc （ opticalcrossconnect ，光交叉連接設備） 、 oadm （ opticaladd / dropmultiplexer ，光分插復用設備）技術的不斷成熟，基於dwdm （ densewavelengthdivisionmultiplexing ）技術的光傳送網已不再局限於點對點傳輸，而是組網運用。
  7. In such dense wavelength division multiplexing ( dwdm ) systems a light source having narrower linewidth and further stability of the wavelength has become a requirement

    在這樣的密集波分復用（ dwdm ）系統中，光發送機的工作波長必須穩定，線寬必須窄，以避免復用通道間信號相互竄擾。
  8. Research on ip dwdm optical internet routing mechanisms

    光因特網路由選擇機制的研究
  9. A routing mechanism in ip dwdm optical internet

    光因特網中的路由選擇機制
  10. Fault - tolerant routing mechanisms in ip dwdm optical internet

    光因特網中的容錯路由選擇機制
  11. Applying the ways of adjusting the bandwidth, minimizing the pass band ripples and group delay ripples, a 50ghz filter is designed. in the paper, we also discuss the temperature stability of dwdm thin film narrow band - pass filter

    本文總結了波分復用濾光片的各種設計方法，運用帶寬調整、通帶波紋的減小和通帶群延遲波紋減小的方法設計出了50ghz的波分復用濾光片膜系。
  12. Dwdm system can be utilized in construction of long - haul transmission network as well as short distance transmission network such as man ( metropolitan area network )

    Dwdm系統既適合於構架長距離的傳輸網路，也可用作諸如城域網（ manmetropolitanareanetwork ）等短距離傳輸網路的首選方案。
  13. In dwdm, the nonlinear effects such as self - phase modulation ( spm ), cross - phase modulation ( xpm ) become important

    然而多波長的密集傳輸使得光纖中的非線性效應（自相位調制、交叉相位調制等）顯著增強。
  14. So it can be expected that two - segment dfb lasers will play important roles in future dwdm and multi - wavelength network

    因此，兩段式dfb激光器可望在密集波分復用以及多波長網路中獲得應用。
  15. In dwdm system, awg is the most promising wavelength multi / demultiplexer, and what influence the performance of awg most is the structure design and device processing. awg ' s performances are crosstalk, insertion loss, temperature shift and pdl ( polarization dependence loss )

    在dwdm系統中，陣列波導光柵（ awgarrayedwaveguidegrating ）是最具應用前景的波分復用解復用器，影響awg器件性能的關鍵因素是它的結構設計方案和工藝製作過程。
  16. As the key component of multiplexer / demultiplexer, optical filter technology has been fueling great interest with the emergence of wide range tunable laser source, all - wave fiber, and wide band optical amplifiers, which is promoting dwdm to a leading edge of optical fiber communication

    隨著寬可調諧激光光源、全波光纖和超寬帶光放大器的出現，密集波分復用日益成為光纖通信的主流技術，作為復用/解復用器核心的光濾波技術備受關注。
  17. 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。
  18. Since its foundation, china tietong invested millions of rmb and adopted dwdm to build a high - speed backbone optical transmission network composed of five fiber loops : northeast, northwest, southwest, southeast and beijing - shanghai - guangzhou loop, realizing the unified net control and schedule of the nationwide backbone transmission network

    自成立以來，中國鐵通投資數百億元，採用先進的密集波分技術，組建了京滬穗高速環、西南環、西北環、東北環、東南環等五大骨幹傳輸網路，並且實現全國骨幹傳輸網路的統一網管指揮和調度。
  19. Design of fiber bragg grating dispersionless filters for dwdm systems

    系統的零色散光纖光柵濾波器設計
  20. The article includes six chapters : chapter one introduces the dwdm related concept, and the constitute of it. discuses the necessary of constructing the dwdm fiber transmission system, and brief describes the content of the article

    第一章主要介紹了dwdm相關的基本概念，以及dwdm光纖通信系統的構成，論述了在光纜傳輸系統工程中採用dwdm技術的必要性，介紹了與dwdm技術密切相關的摻餌光纖放大器技術和光復用器件，並闡述了本文研究的主要內容。
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