面發射體 的英文怎麼說

中文拼音 [miànfāshètǐ]
面發射體 英文
surface emitter
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 發 : 名詞（頭發） hair
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 體 : 體構詞成分。
  1. Having combined external ballistics with gunnery and proceeded from the practical needs of the field artillery, the influence to the firing accuracy by artillery metro report and the improved measures have been studied and analyzed in this essay, thus having obtained a series of valuable and pragmatic conclusions which mean a lot in practical application

    論文結合外彈道學理論和炮兵射擊學理論，從地面炮兵的實際需要出發，具體研究了地面炮兵氣象通報對射擊精度的影響及改進措施，提出了建立我軍地面炮兵專用層權及通用層權的方法及改進計算機通報的措施，得出了一系列具有一定實用價值與相當指導意義的結論。
  2. So combine the item of “ space targets surveillance photoelectricity telescopes arrays system ”, this thesis does research in developing space targets visualization system. the main achievement in this thesis can be summarized as follows : 1. expatiate e the basic theory of satellite track dynamic, analyse the orbit characteristic of two - body problem and launch window, subastral point calculation, visibility and coverage analysis, two - line element sets

    本文結合「空間目標監視光電望遠鏡陣系統」課題，進行了空間目標可視化系統的設計和研究，主要作了以下幾方面的工作: 1 、闡述了衛星軌道動力學的基本原理，分析了二體軌道特性和發射窗口的基本特性，星下點軌跡計算、可見性和覆蓋分析和兩行根數。
  3. The brightness or luminance of an object is defined as the luminous flux emitted per unit area of the object into unit solid angle.

    物體的亮度或發光率定義為物體面積發射到單位立體角內的光通量。
  4. With the aid of baffle movement, a technique named masking pretreatment and the method of vacuum deposition have been used to fabricate the ag - o - cs photoemissive thin films with internal field - assisted structure for the first time. the internal field - assisted photoemission characteristics of ag - o - cs thin films show that the photoelectric sensitivity is increased when the internal electric field is applied to the thin films, which indicates that the electric field has been effectively provided to the thin films by the above - mentioned internal field - assisted structure. such an enhanced photoemission is attributed to the variations in energy - band structure of ag - o - cs thin films, and which are considered to induce the lower - energy electrons to participate in the photoemission

    通過掩膜預處理和擋板轉移技術的配合，利用真空沉積方法首次制備了內場助結構ag - o - cs光電發射薄膜。 ag - o - cs薄膜內場助光電發射特性測試結果表明，該方法能夠有效地實現ag - o - cs薄膜體內電場的加載與表面電極的引出，薄膜光電靈敏度隨內場偏壓的增大而上升。 ag - o - cs薄膜在內場作用下的光電發射增強現象與薄膜體內能帶結構變化低能電子參與光電發射等物理機制有關。
  5. This project which is based on the demand of increasing the electron tube ’ s qualities totally and reducing the manufacture cost has done a large amount of investigative work as follows to improve and perfect the technologies for the important part of electron tube manufacture ? the grid surface processing : on the surface processing of the molybdenum grid, the primary purpose is to reduce thermionic emission and secondary electronic emission of the grid. by the constantly experiment and grabbling the different technology routes, we have successfully developed these new technologies on the tac and zrc electrophoresis and electroplating platinum black of the grid, and made its surface cladding quality very stable and reliable

    本課題是基於整體提高電子管的質量和降低生產成本的要求，對電子管生產中的重要部分? ?柵極的表面處理技術進行改進和完善，主要在以下方面進行了深入研究:在鉬柵極表面處理方面，主要為實現降低柵極的熱電子發射和二次電子發射，通過不同工藝路線的不斷試驗和摸索，成功開發出柵極電泳tac 、 zrc和電鍍鉑黑的新工藝，使柵極的塗覆質量穩定可靠。
  6. Semiconductor saturable absorber mirror mode - locked optically pumped vertical - external - cavity surface - emitting semiconductor lasers

    半導體可飽和吸收鏡鎖模光抽運垂直外腔面發射半導體激光器
  7. In addition, segmented reflector lamp is the popular in car lamp field, in order to meet the car lamp corporation, realizing the segmented reflector model by write macro base on the lighttools flat

    另由於多曲面反射體目前在市場較為普及，本文也為了適應車燈廠家需要，在通用光學分析平臺lighttools上開發，實現了多曲面反射體模型的快速生成。
  8. Vertical - cavity surface - emitting lasers ( vcsel ' s ) have distinct advantages over conventional edge emitting lasers, such as small divergence angle, single longitudinal mode operation and very low threshold current. they are especially suitable for making two - dimensional ( 2 - d ) arrays as well as vcsel ' s based integrate devices

    垂直腔面發射半導體激光器（ vcsel ）與傳統的邊發射半導體激光器相比，它具有發散角小、單縱模工作、非常低的閾值電流等優點，尤其它適於二維面陣集成和與其它光電子器件集成。
  9. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發，對具有誘人應用前景的柱形垂直腔面發射結構（ vcsel ）的微腔半導體激光器（ mcsl ）進行了理論分析，建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型；對圓柱形結構情況進行了數值模擬，得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律；為使理論計算更接近實際，將外加金屬包殼視為非理想導體，或將金屬包殼與激光器結構隔開，分別對這兩種情況下的結果進行了討論。
  10. Reference sources for the calibration of surface contamination monitors - beta - emitters and alpha - emitters

    用於校準表面污染監測儀的參考源發射體和發射體
  11. The demonstration of heat - transfer measuring techniques and prospect of infrared thermal mapping techniques, main parts and performance indexes of a infrared camera, functional blocks and implementation of infrared processing software, experimental facility and measuring system of the wind tunnel has been made. the model emittance was experimentally determined and the three methods correcting directional emittance were compared. those problems of the infinite - slab model thickness and constant wall heat rates hypothesis, the determination of adiabatic wall temperature were discussed in a 1 - d heat conduction analysis

    本文對紅外熱圖測熱技術與應用前景、紅外熱像儀主要部件與性能指標、紅外測熱數據處理軟體功能模塊與實現、風洞試驗設備與測量系統等進行了論述，測量了模型表面發射率並對發射率隨極角變化的三種修正方法進行了對比，對一維熱傳導分析中模型壁厚半無限假設、壁面熱流定常假設、絕熱壁溫選取等進行了探討。
  12. At present, the material of emitting cathode is mostly present with big escaping powers low reliability 1ow uniformity and emission capability

    摘要目前，陰極發射體材料多存在逸出功大，可靠性及均勻性低，發射性能低、不能自動調節活性物質更替的速度等方面的問題。
  13. Radiation protection instrumentation ; installed personnel surface contamination monitoring assemblies ; low energy x and gamma emitters

    輻射保護儀表.人員軀體表面污染監測裝配組件.低能x和射線發射體
  14. By using these mode - locking devices on novel thin - disk solid state lasers and optically pumped vertical - external - cavity surface - emitting semiconductor lasers ( opsvf. csel ) to obtain high average output power ultrashort pulses are stated, and it is emphasized that the study of high average output power ultrashort pulses laser can be accelerated greatly by using the quantum dot sesam

    綜述了利用半導體可飽和吸收鏡被動鎖模薄片式固態激光器及光泵浦垂直外腔面發射半導體激光器，獲得高平均輸出功率超短脈沖的最新進展，並指出量子點半導體可飽和吸收鏡的使用將加速超短高功率脈沖的發展。
  15. To find a proper and convenient way in electron emitter research, in the paper, we have discussed the essential and possibility of setting up a new pld ( pulsed laser deposition ) device which connects with aes ( auger energy spectra ), and built such device in order to complete cathode deposition and analysis without exposing to the atmosphere and carried out cathode in - situ preparation and analysis electron emission phenomenon is a physical process taken place in surface of electron emitter

    為了解決電子發射體（陰極）研究方法中存在的問題，並尋求一種適當的、方便的陰極研究實驗方法，本論文論證了建立與aes相連的pld裝置的必要性和可行性，並實際建立了這一裝置，實現了陰極的原位沉積、原位分析。電子發射現象是在電子發射體表面發生的物理過程，發射表面是由活性元素構成的動態平衡系統，這一系統直接決定電子發射性能。表面分析手段對陰極研究是必不可少的。
  16. Lab6, as one kind of better material, is so perfect that it is important to research its chemical etching in the arts and crafts to be used in the preparation of emitting cathode, we simply state the chemical etching technical research in material of lab6 and have gainded graphics surface of lab6

    而對六硼化鑭的化學腐蝕在以其為陰極的陰極發射體制備工藝中起著至關重要的作用，本文簡述了對材料的化學腐蝕工藝的初步研究，並得到了圖形化的六硼化鑭表面。
  17. Abstract : based on the enhanced effect of spontaneous emission in cavity quantum electrodynamics, the microcavity effect of vertical cavity surface emitting lasers ( vcsels ) is analyzed, and the results obtained in ordinary open cavities and in three - dimensional closed cavities are compared

    文摘:依據腔量子電動力學中自發輻射增強效應，分析了垂直腔面發射半導體激光器的微腔效應，比較了普通開腔和三維封閉腔中的結果。
  18. Installed articles surface contamination monitoring assemblies for beta emitters

    發射體用器件表面受放射性污染監測的安裝組件
  19. In this thesis, the overall optimization designs on surface - emitting lasers with 45 deflector structure are carried out. we have mainly considered two types of surface - emitting lasers with 45 deflector : surface - emitting lasers with 45 intracativity micro - mirrors and combined surface - emitting lasers, and then designed detailed fabrication processes

    本論文對45偏轉鏡面發射半導體激光器結構進行了優化設計，具體考慮了兩種45偏轉鏡面發射半導體激光器：折疊腔面發射和組合式面發射，設計了具體的工藝過程。
  20. Based on the above, we have made a research on the fabrication technology of two - dimensionally ( 2d ) arrayed surface - emiting lasers, and have obtained two - dimensionally arrayed laser primarily with lower threshold current density and higher power output, which will promote the achievement of higher reliability, lower threshold current arrayed surface - emiting lasers laser for high power output

    在此基礎上進行了面發射半導體激光器二維（ 2d ）列陣的制備研究，初步獲得了具有較低閾值電流密度和較高功率的45偏轉鏡面發射陣列半導體激光器，為研製高可靠性、高功率、低閾值電流的面發射陣列半導體激光器奠定了一定的基礎。
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