transmission wavelength 中文意思是什麼

transmission wavelength 解釋
傳輸波長
  • transmission : n 遞送；傳遞；傳達；傳染；移轉；【機械工程】傳動；傳遞；變速器；聯動機件；【無線電】傳送；發射；...
  • wavelength : 【無線電】波長。
  1. We have made benefic trials on the research of optical limiting materials with abroad protective wavelength, high optical density and high transmission

    對于多波段，高光密度，高透過率的光限幅材料的研製，本論文做出了有益的嘗試。
  2. Generally, the designed channel spacing of itu - t standard in wdm systems is from 0. 8nm to 1. 6nm, which is much larger than the spacing required by actual communication bandwidth. for example in lightwave transmission systems, a sghz channel occupies only 0. 04nm at the wavelength band of 1. 55 n m. thus, most of the bandwidth in the actual transmission systems may be wasted

    Itu - t標準中wdm系統設計的通道間距為0 . 8nm - 1 . 6nm ，這遠遠大於實際使用的通道帶寬，例如一個帶寬為5ghz的通道在1 . 55 m波段只佔據了約0 . 04nm的波長范圍，因而導致大部分的帶寬被浪費。
  3. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術，包括傳輸、交換、組網等，重點研究了光交叉連接的功能和結構、性能，對其引入的串擾進行了詳細分析，選擇恰當的器件參數進行了數值模擬，並提出了抑制措施（如雙重濾波、優化判決門限、選擇恰當的復用波長數） ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題（光網路類型、業務類型、流量類型、光網路生存性） 、 r認人演算法的分類和比較，具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法，提出預置光路的概念，對網路資源進行狀態分類（佔用、未佔用、預置） ，利用改進的r認叭演算法模擬，預置光路可為部分新到的連接請求快速建立連接，從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法，提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數，利用基於波長分層圖模型的并行r場人演算法模擬，利用新的鏈路權重函數使得演算法具有更優的性能，使網路具有更低的連接阻塞率。
  4. 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。
  5. All - optical networks employing the concept of wdm and wavelength routing are considered as the transport networks for the future. with the development of oxc and oadm, the optical transmission network based on wdm is not confined to point - to - point transmission. so, there must be the assignment and optimization of network resource on demand

    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wdm （ wavelengthdivisionmultiplexing ）技術的光傳送網已不再局限於點對點傳輸，而是組網運用。
  6. The optimization theory, optimum dispersion value, dispersion direction and the factors affecting on the imaging quality of planar image in wavelength multiplexing optical fiber image transmission system was deeply and th eoretically analyzed as the emphases in this article, and at the same time through the development of true optical fiber image transmission system ( optical fiber periscope ), the studying of making the image quality optimization of optical fiber image transmission system being useable and been used in engineering was completed

    其中，重點對波分復用光纖傳像系統二維圖像的像質優化機理、最佳色散量與最佳色散方向的選擇，以及影響系統成像效果的各種主要因素進行了深入的理論分析；並結合實際光纖望遠系統? ?光纖潛望鏡的研製，完成了光纖傳像系統像質優化的實用化、工程化實現研究。
  7. With the annealing temperature increasing, the average optical transmittance increases and the absorption edge of the transmission curve of the films moves toward short wavelength

    Azo薄膜的塞貝克效應的結果表明: azo薄膜具有明顯的塞貝克效應，溫差電動勢隨著溫差（ ? t ）的增大而呈線性增大。
  8. The text computes the eigenvalue of double ridged waveguide, single ridged waveguide and unsymmetry ridged waveguide, transmission of three kinds of ridged waveguides with ridge on the narrow wall are solved for and the useful curves on cutoff wavelength, bandwidth and field pattern are presented

    編程計算了雙脊、單脊和不對稱脊波導的特徵值，求解了三種脊位於窄邊的脊波導的傳輸特性，並給出了截止波長和單模帶寬曲線以及場結構變化。
  9. This formula shows the change of the light transmission with the continuous change of incident angle and azimuth angle of incident light, and the refractive index of the glue and thickness of the glued layer of the prisms. the effect of wavelength is also studied

    解釋了激光偏光棱鏡的光強透射比隨光線的人射角、方位角、膠合層介質的折射率及膠合層的厚度的變化關系，還討論了人射波長的影響。
  10. 3. the coupled - mode theory and matrix theory of lpfg have been studied. based on the erbium - doped fiber which has been chosen for edsfs, smf - 28 of corning corporation and photosensitive fiber of coractive corporation, the optimum fiber grating period, length, the maximum cross transmission wavelength and the relation

    3 .推導長周期光纖光柵耦合模理論及矩陣理論，結合幾種不同的光纖，包括課題中的摻鉺光纖、 corning公司的smf - 28單模光纖及加拿大coractive公司的光敏光纖，利用matlab7建模並結合已確定的長周期光纖光柵的透射譜來優化長周期光纖光柵周期、長度、諧振波長等幾個參數及它們之間的關系，用來指導和優化光纖光柵的製作。
  11. ( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg

    Iii .提出了一種動態增益均衡的平坦演算法，這種演算法的本質就是利用摻鉺光纖放大器增益譜函數和新型長周期光纖光柵的透射譜反轉譜函數的相關性，給出新型長周期光纖光柵諧振峰幅度和位置的調節量，使改變后的新型長周期光纖光柵的反轉譜線能和edfa的增益輸出譜線進行最佳匹配。
  12. 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。
  13. Based on the requirement and target of the projects, firstly, pcf bragg grating are investigated theoretically and experimentally. moreover, the effects of filling high refractive index material ( nematic liquid crystal, nlc ) in pcfs on the transmission mechanism and propagation properties are studied by using plane - wave method and finite - element method ( fem ), farther, several novel pcfs are proposed and designed. lastly, we propose and demonstrate a clad - pumped er3 + / yb3 + - codoped fiber laser, which integrate all performances of broad - band tunable wavelength, uniform output power spectrum, high repeat frequency and high average power to together

    本論文選題于國家973 、 863以及國家自然科學基金等項目，結合課題的要求和主要目標，在對光子晶體光纖（ pcfs ）傳輸特性研究的基礎上，首先對光子晶體光纖光柵進行了理論和實驗研究;然後，採用平面波展開法和有限單元法分析了在光纖的空氣孔中填充高折射率液晶對光纖傳導機制和傳輸特性的影響，提出並設計了幾種新型光子晶體光纖;最後，提出並研製成功連續可調諧、輸出功率譜均衡的全光纖化、高功率包層泵浦鉺鐿共摻光纖激光器實驗樣機。
  14. The normal polarizing device is made of iceland crystal that is based on birefringence of crystal. its merit is high extinction ratio, high transmission and wide wavelength

    一般的起偏器件和檢偏器件是利用晶體的雙折射特性設計而成，其優點是：消光比和透射比高，適用的光譜范圍大。
  15. From a demand for further amount of aggregate transmission capacity, not only expanding an available wavelength range but also cramming frequency - spacing have been investigated

    考慮到將來信息傳輸容量的急劇增長，因此不僅要拓寬可復用的波長范圍，而且通道間距也需進一步降低。
  16. In this system, a tunable fiber fabry - perot ( f - p ) filter is used to detect the changes of the wavelengths of the fbgs, then both the tunable control signal and the signal indicating the changes of the wavelength transmitted by an a / d electric transmission circuit are input into computer. the corresponding changes of the measurands can be obtained by filtering, analysising and processing the experimental data by using the computer information process system

    該系統採用可調諧光纖fabry - perot濾波法對fbg波長變化進行解調，通過a d轉換電路將調諧控制信號和波長變化的信號送入計算機並口，經過計算機信息處理系統的濾波，分析，處理，可得到相應被測參量的變化。
  17. In this system, a tunable fiber fabry - perot ( f - p ) filter is used to detect the changes of the wavelengths of the fbgs, then both the tunable control signal and the signal indicating the changes of the wavelength transmitted by an a / d electric transmission circuit are input into a high speed sampling card

    該系統採用可調諧光纖fabry - perot濾波法對fbg波長變化進行解調，通過a d轉換電路的調諧控制信號和波長變化的信號送入高速采樣卡，經過計算機信息處理系統的濾波，分析，處理，可得到相應被測參量的變化。
  18. Experimental results on butane and butane - plant oil flames indicated that, measurement precision by the multi - wavelength method is strengthened by taking radiation information on multiple wavelength units into consideration, and moreover, the radiation calibration procedure is simplified, in that a halogen light source is used instead of in situ flame radiation. in section 2, fluctuation and averaging analyses are carried out on optical transmission signals by particles passed through laser beams to derive particle size and concentration in measuring area, furthermore, correlation calculations are conducted on two adjacent laser beam signals to obtain flowing velocity of particle

    對丁烷氣體火焰及丁烷-植物油混合燃料火焰的測量結果表明，多波長分析方法優于傳統的雙色法，表現在兩個方面：一、由於綜合考慮多個波長單元上的火焰輻射信息，多波長方法的測量精度比雙色法有較大的提高；二、在多波長分析方法中，採用標準鹵素燈進行相對輻射強度標定，簡化了雙色法中的火焰絕對輻射強度的標定。
  19. The paper has five sections include the basic knowledge and the experiment research, systematically analyses the impact of the liquid crystal box ' s position angle on the measuring result of liquid crystal lyot filter and the practical significance of this work. the work of this paper maily includes five sections : ( 1 ) the related theory of the crystal birefringence is systemicly introduced in this paper ; ( 2 ) the theory of the lc voltage - dependent birefringence is introduced ; ( 3 ) no voltage applied, changing curve between the transmission and the liquid crystal box direction is got from experiment ; ( 4 ) voltage applied, changing curve between the transmission and the liquid crystal box direction is got from experiment ; ( 5 ) desired wavelength is extract from changing the direction of liquid box. originality innovation of this paper is that the theory of the lc voltage - dependent birefringence is systemically introduced in this paper especially those related to voltage and direction

    本文主要完成以下幾方面工作： （ 1 ）比較系統地整理了晶體雙折射的有關理論； （ 2 ）簡單介紹了液晶的電控雙折射特性； o ）在未加電壓情況下，研究液晶盒方位角對濾光片透過率曲線的影響；廠）在加交流電壓的情況下，研究液晶盒方位角對濾光片透過率曲線的影響； （ 5 ）利用方位角的調整來提取特定波長的譜線；本論文的創新之處在於比較系統地整理了晶體雙折射的有關理論，特別是與電壓及方向有關的理論，實驗得出了濾光片透過率隨液晶盒方位角變化的關系曲線，並將之運用於v吸器波長的話線朋
  20. Femtosecond pulse pump - probe experiment system was established with two mode ( monochromatic transmission, white light transmission ), wavelength for monochromatic mode can be adjusted ranging from 350nm to 650nm

    單色光探測波長調諧范圍在350nm - 650nm 。白光泵浦-探測的泵浦光為400nm 。 2
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