波長選擇 的英文怎麼說

中文拼音 [bōzhǎngxuǎnzhái]
波長選擇 英文
wavelength selection
  • 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
  • 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. The initial vsd process uses two main characters, the average instantaneous energy and the average instantaneous zero crossing rate ( zcr ). to make the first recognition for the start and the end, the emphasis of which is to select the appropriate value of the threshold and the length of frame. in the final vsd process, the author compares several characters and confirms the new recognition character

    初步分段過程使用了能量和過零率這兩個主要特徵進行端點檢測，重點是合理選擇兩個重要參數? ?門限和統計幀長度的取值；在最終分段過程中，筆者首先通過比較幾種特徵的識別效果，選擇卡爾曼濾波參數作為再次分段的識別特徵，還提出了一種新的識別特徵? ?周期性緩變特徵，使用這兩個特徵分別在子語音段內進行端點檢測。
  2. These leds light sources are not only adjustment and uniformity but also smaller, less expensive, required less power, generated less heat. especially, the pattern of the construct both aggregate and desegregate in design was to realize different light intensity illumination on same biology sample at the same time. the selectivity, work efficiency and experiment veracity have been improve greatly

    該系列光源除了具備光強可調、分佈均勻優勢外，還具有波長、波峰寬適宜，以及小巧、價廉、能耗低、發熱少等特點，尤其是該生物光源在設計時採用的單元組裝模式，使得不同強度的光照能夠在同一批生物樣品上實現，大大拓寬了生物實驗的可選擇性，提高了工作效率和實驗準確性。
  3. 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
  4. Ningbo liantong automobile leasing co., ltd. exclusively leases out various saloon cars and business cars. car settings and leasing types are subject to customer s choice. scope of services includes long or short term leasing, long or short term charter, airport pick - up, guest transportation from and to hotel, and business investigation, etc

    寧波聯通汽車租賃有限公司專業租賃各種轎車和商務車，可根據客戶的需要選配車型，並有多種租賃方式供客戶選擇，包括長短期租車，長短期包車，機場接機，賓館迎送，商務考察等業務
  5. The analysis of wavelength selection for space - to - ground laser communication

    空-地激光通信鏈路波長選擇因素分析
  6. 1550nm is chosen as the work wavelength, cassegrain transmitting - receiving antenna as the optical antenna of the system through the elucidation of how to choose the work wavelength and optical antenna of comm - unication system. the structure and theoretical design parameter of apt sub - system have been presented through the discussion of the optical signal power estimation of apt sub - system, beam divergence angle, pointing error, and error signal extraction. compared with existed optical wireless communication system, the design scheme proves applicable

    通過對通信系統工作波長選擇、光學天線選擇等闡述，選擇了1550nm作為系統工作波長、卡塞格倫（ cassegrain ）收發合一天線作為系統光學天線；通過對apt子系統功率測算、束散角和瞄準誤差、誤差提取信號等的討論，給出了apt子系統結構和理論設計指標，並將其與現有的光無線通信系統進行比較，說明該設計方案是可行的。
  7. 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。
  8. 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。
  9. Progress and application of spectral data pretreatment and wavelength selection methods in nir analytical technique

    近紅外分析中光譜預處理及波長選擇方法進展與應用
  10. 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。
  11. Blank detail specification - fibre optic branching devices - type : wavelength selective transmissive star for telecommunication application ; german version en 181104 : 1997

    空白詳細規范.光導分支裝置.類型:電信傳輸用波長選擇
  12. As having advantages such as littler inserting loss, better wavelength selection and absolute coding, fbg has bright prospects of applications in fiber communication and sensing

    由於它具有插入損耗小、波長選擇性好及傳感信息對波長絕對編碼等優良特性，因而在光纖通信及傳感領域有著廣闊的應用前景。
  13. At the different recording angles, the raman - nath diffraction and bragg diffraction phenomenon are observed, respectively. then, the wavelength selectivity and the relationship of diffraction efficiency and polarization state are discussed when the recording angle of 60 ? formed by two writing beam

    分別觀察到了寫入光束夾角不同時光柵的拉曼-奈斯衍射和布拉格衍射現象，並對雙光束夾角為60時寫入光柵的波長選擇性及衍射效率與入射光偏振態的關系進行討論。
  14. Wavelength - selective or photoselective mulches absorb photosynthetically active radiation （ par ） and transmit solar infrared radiation

    波長選擇性或光選擇性塑膜吸收光合活性輻射並傳遞太陽紅外輻射。
  15. Non - wavelength - selective fibre optic branching devices - part 1 : generic specification

    非波長選擇的光纖分路裝置.第1部分:一般規范
  16. 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
  17. 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
  18. Blank detail specification : fibre optic branching devices. type : wavelength selective transmissive star for telecommunication application

    空白詳細規范.光纖分支裝置.型.電信用波長選擇傳送星
  19. 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
  20. Blank detail specification : fibre optic branching devices. type : non wavelength selective transmissive star for telecommunication application

    空白詳細規范.光纖分支裝置.型.電信用的非波長選擇傳送星
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