波長選擇器 的英文怎麼說

中文拼音 [bōzhǎngxuǎnzháiqì]
波長選擇器 英文
wave selector
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 擇 : 擇動詞（挑選） select; pick; choose
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 波長 : [物理學] wavelength波長標準 [光學] wavelength standards; 波長測量 wavelength measurement; 波長常...
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  1. Blank detail specification. fibre optic branching devices. type : non wavelength selective transmissive star

    空白詳細規范.光纖分路器件.型號:非波長選擇的傳輸星形
  2. 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。
  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. Ultraviolet absorption detector, photodiode array detector ( dad ), fluorescence detector, and electrochemical detector are optional detectors, response value of which is relative to not only quality of the object under test, but also structure of the compound ; refractive index detector and evaporative light - scattering detector are universal detector, responding to structure of all compounds ; evaporative light - scattering detector is quality - type detector, whose responding value only relates to quality of the object under test for compounds with similiar structures ; photodiode array detector ( dad ) can, at the same time, record absorption spectra of the object under test in a prescribed wave scope, consequently, it can be used in spectrum control and inspection of purity of chromatographic peaks of the object under test

    紫外、二極體陣列、熒光、電化學檢測器為選擇性檢測器，其響應值不僅與待測物的質量有關，還與化合物的結構有關；示差折光檢測器和蒸發光散射檢測器為通用型檢測器，對所有的化合物結構均有響應；蒸發光散射檢測器屬質量型檢測器，對結構類似的化合物，其響應值幾乎僅與待測物的質量有關；二極體陣列檢測器可以同時記錄待測物在規定波長范圍內的吸收光譜，故可用於待測物的光譜管制和色譜峰純度的檢查。
  5. In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition

    本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論，然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼，並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬，分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下，可以獲得較短的捕獲時間和較大的捕獲概率。
  6. Using fiber grating to substitute traditional wavelength - selecting components, the 8nm tuning range is realized at a repetition frequency of 2. 5ghz. ( 5 ). the wavelength - tuning methods of an active mode - locked fiber laser using a ld as a modulator are researched, and two tuning methods including temperature tuning

    （ 4 ）對主動鎖模光纖激光器的波長調節技術進行了研究，用光纖光柵代替傳統的波長選擇器件實現了主動鎖模光纖激光器的波長調諧，並獲得了波長連續調諧范圍達8nm 、重復頻率2 . 5ghz的穩定的光脈沖輸出。
  7. A switchable and spacing - tunable dual - wavelength linear cavity edfl is demonstrated experimentally using this kind of bragg grating for wavelength selection. it exploits the birefringence characteristic of the fbg induced by transverse strain. transverse strain loading on the fbg allows the wavelength spacing to be controlled while axial strain shifts both wavelengths together

    2 .對軸向及側向應力共同作用下的光纖布拉格光柵的透射及反射光譜特性進行了理論及實驗研究，並首次把軸向及側向應力共同作用下的光纖光柵應用於光纖激光器進行波長選擇，得到了室溫下穩定工作的波長及波長間隔可調的可開關雙波長的摻鉺光纖激光器。
  8. In this paper, on the basis of increasingly mature fabrication technologies of planar integrated waveguide and the optical fiber grating, we make use of not only the ( de ) multiplexing and wavelength router characteristic of arrayed waveguide grating ( awg ), but also the dispersion peculiarity of uniform fiber bragg grating ( ufbg ). then a kind of dispersion compensator, which can compensate the dispersion of the optic signal in every channel in the wdm system respectively, is devised. the method makes the compensation efficiency maximum theoretically

    本文結合近幾年來日益成熟起來的平面集成波導製作工藝和光纖光柵製作技術，利用陣列波導光柵（ awg ）的復用特性和波長路由選擇特性與均勻光纖光柵（ ufbg ）的色散特性，提出了一種能對wdm系統中各分波光信號分別進行有針對性色散補償的補償器件，該器件使wdm系統中各分波光信號所得到的色散補償在理論上達到很高效率。
  9. We have demonstrated a novel voa based on high birefringence fiber loop mirror, which has many advantageous characteristics such as a simple structure, high flexibility, polarization independence, low insertion loss and low price, etc. experimental proof shows that it is convenient to realize the control of optical power by using this voa

    2 .利用雙折射光纖環鏡設計並製作了一個結構簡單的可調諧光纖衰減器，具有靈敏度高，偏振無關，低插入損耗和低成本等特性。實驗證明它可以很方便的控制光功率。 3 .提出了一種由布拉格光纖光柵和高雙折射光纖環鏡共同構成波長選擇器件的摻鉺光纖激光器。
  10. Realizing the excellency of nd : yv04 crystal, we use nd : yv04 / ktp firstly in our experimentation. the loss of light with different polarized orientation is different, when it through nd : yv04 crystal. utilizing the case and changing the thickness of ktp crystal by controlling temperature, we get a narrow light filter, so the cavity operates with single longitudinal mode

    文中提出一種新的方案，採用nd ： yvo _ 4 ktp組合，利用nd ： yvo _ 4晶體對偏振態的選擇作用以及溫度控制ktp晶體長度，實現雙折射窄帶濾波，強制激光器工作在單縱模的模式下。
  11. Secondly, the wavelength of light source and the distance between the source and detector, two key parameters in reflectance sensor design, are determined according to theory in light transmitting and experiments in lab. thus the sensitivity and dependability in reflectance monitoring is improved as much as possible

    本文接下來討論了反射式血氧探頭中兩個重要參數? ?光源波長的選擇和光源與接收器之間距離的確定，以保證在反射檢測中能獲得最高的血氧測量靈敏度和可靠性。
  12. So, in the process of laser powder rapid micro - fabrication, to gain the fine light solidification unit, mainly should adopt two following aspects : 1. using the laser that has the mini - focus spot. usually select the doubling frequency laser or fiber laser

    要想獲得細小的光固化單元，對于激光粉末快速微成形工藝而言，主要從下面兩個方面入手: 1 .使用光斑直徑細小的激光器2 .選擇粉末顆粒直徑小的金屬粉末作為激光粉末快速微成型固化材料為了解決精細聚焦問題，我們採用nd : yag倍頻的方法獲得短波長激光器。
  13. The main purposes and contributions of this thesis are following : 1. after choosing the pump laser, the optical isolator, the wavelength division multiplexing ( wdm ), the erbium - doped fiber and the edsfs structure, the original edsfs spectrum could be measured. 2

    本文的主要工作包括以下幾部分: 1 .按照光源要求達到的主要技術指標，選擇泵浦激光器，光隔離器，光波分復用器，選擇摻鉺光纖類型及長度;選擇光源結構之後，組裝並測試得到原始光edsfs模塊增益譜線。
  14. Based on the structure of all optical active fiber ring resonator, dual - tunable er3 + - doped optical fiber ring resonator filter is investigated by adding a tunable bandpass filter to change its wavelength. its finesse can also be tunable by adjusting the pump power. the wavelength tuning range of the dual - tunable fiber ring resonator filter is 39nm, from l526nm to l565nm

    在基於摻鉺光纖環形腔結構基礎之上，通過在腔中加入的可調諧介質薄膜濾波器來選擇濾波波長，並通過調節泵浦功率來改變腔精細度，以實現一種濾波波長以及精細度雙可調諧的光纖環形腔結構窄帶濾波器。
  15. Believes that gas pressure accumulator can absorb waterhammer pressure effectively, but it needs more time to achieve stable state. the consume - energy accumulator can not absorb one of opening valve effectively, but it can achieve stable state quickly. combination of the two style accumulators will be a nice choice

    認為氣壓式蓄能器能有效地吸收水擊波動，只是達到穩定狀態需要的時間更長;耗能蓄能器對吸收開閥水擊的作用不佳，但穩定速度更快，將這兩種蓄能器的優點結合起來會是一個不錯的選擇。
  16. People often think about the filter ' s characters of orthogonal, symmetry, regularity, but seldom synthetically think about some factors such as image texture or compression rate. in this paper used the same adaptive arithmetic coder for many filters, analyzed the effect factors synthetically for the best wavelet compression, and give some methods for selecting filter

    本文對多種常見濾波器，採用相同的自適應量化編碼方法進行實驗，研究並分析了選擇濾波器時應該考慮的圖像紋理、濾波器長度、壓縮比等一些綜合因素，有效解決了在小波圖像壓縮過程中，如何更好的選擇濾波器的問題。
  17. With the inherent relation between spotlight mode sar and stripmap mode sar, a method that stripmap sar imaging is performed by multiple - subpatch processing algorithm based on spotlight mode sar is also proposed in chapter 2. in the method, we study how to choose scene size to avoid significant motion through resolution cells and develop the formula of filter bandwidth determined by scene size

    論文第二章還詳細分析了條帶模式與聚束照射模式之間的區別及聯系，提出了一種基於聚束照射sar成像演算法實現條帶數據處理的方法，對成像區大小的選擇作了分析，推導出成像區長度與濾波器帶寬應當滿足的關系式，並用實測數據進行了驗證。
  18. Fibre optic branching devices ; part 2 : sectional specification ; non - wavelength selective branching devices

    光纖分支器件.第2部分:非波長選擇分支器件的分規范
  19. Blank detail specification : fibre optic branching devices - type : wavelength selective transmissive star ; german version en 181102 : 1994

    空白詳細規范.纖維光學分支器.型號:非波長選擇星形傳
  20. Blank detail specification : fibre optic branching devices - type : non wavelength selective transmissive star ; german version en 181101 : 1994

    空白詳細規范.纖維光學分支器.型號:非波長選擇星型傳
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