聚焦范圍 的英文怎麼說

中文拼音 [jiāofànwéi]
聚焦范圍 英文
focus range
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : Ⅰ形容詞1 (物體受熱失去水分 呈現黃黑色並發硬、發脆) burnt; scorched; charred 2 (著急) worried;...
  • : 名詞1 [書面語] (模子) pattern; mould; matrix 2 (模範; 榜樣) model; example 3 (范圍) boundar...
  • : Ⅰ動詞1 (四周攔擋起來 使裡外不通; 環繞) enclose; surround; corral 2 (繞; 裹) wrap Ⅱ名詞1 (四...
  • 聚焦 : [物理學] (使光或電子束等聚集於一點) focus; focusing; concentrate
  • 范圍 : scope; limits; extent; boundary; confines; range; range dimension; spectrum
  1. On the basis of current investigation of both the domestic and foreign and current level of development, and contraposing difficulties and keys of autofocusing and measurement, this paper brings forward system of autofocus and measurement based on techniques of image processing of ccd. this system possesses merits of fast speed, high precision, small bulk and large dynamic range. it is able to carry out needs of fast, accurate, large range autofocusing and requests of noncontact and online measurement of workpiece face runout

    本論文根據目前國內外現狀和發展水平,針對自動和端面跳動測量的關鍵點和難點,在普通光學儀器的基礎上提出了一種基於ccd圖像處理技術的圖像式自動及其測量系統,該系統具有速度快、精度高、動態大、體積小等優點,實現了快速、精確、大的自動和對工件端面跳動進行非接觸、在線測量的要求。
  2. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光斑位置等參數的選取依據,以此為依據,設計了自透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光斑的縱向位置成高斯變化規律,測量和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  3. A range in relation to an optical system, such as a camera lens, representing distances great enough that light rays reflected from objects within the range may be regarded as parallel

    區)無限遠與光學系統(如照像鏡頭)有關的一個,表示距離是如此之遠,以至於從在這一距離的物體上反射回來的光可以視為平行光線
  4. A focal plane imaging is limited in catching object when spot - focusing horn lens antenna is applied in ballistic wake microwave interferometer. so we consider to designing multiple beam focusing horn lens antenna in order to augment the range of catching and enhance the probability of hitting the target

    本文的主要工作是針對彈道靶尾跡微波干涉儀里的點單波束捕捉目標的有效性能不足,而考慮設計一個具有點特點的多波束透鏡天線,以增大捕捉和提高中靶率。
  5. In his weekly radio address, the president focused on economic proposals meant to ease u. s. morgegy mortgage defaults, which have desructed disrupted worldwide financial markets

    在總統每周的廣播演講中,他將注意力于旨在減緩美國抵押拖欠的經濟提議,這已經破壞了世界內的金融市場。
  6. The highly developed product range of this corporate sector, its various technologies and comprehensive knowledge in the operations and processes of our customers focuses our switching product sphere on innovative application solutions

    廣闊的產品,對客戶生產運轉和加工方面多樣的技術和全面的知識將我們的開關產品領域于革新應用解決方案。
  7. The system possesses dynamic range of scores of millimeters and focused time of 5 seconds and repeatability of 7 microns

    聚焦范圍可達幾十上百毫米,時間為5秒鐘,重復精度為7 m 。
  8. The system possesses dynamic range of scores of millimeters and focusing time of five seconds and repeatability of seven microns and measurement precision of microns level

    聚焦范圍可達幾十毫米,時間為5秒鐘,重復精度為7 。裝配間隙寬度測量的精度為微米級。
  9. So far the researches on ultrashortpulse laser - matter interaction concentrated on infrared regime, yet ultraviolet laser has the advantage in intense field physics and icf researches for its short wavelength and less nonlinear effects

    迄今為止,超短脈沖激光及其與物質相互作用的研究大都集中於紅外光譜,而紫外準分子短脈沖激光系統由於其波長短、非線性效應小而具有良好的性能。
  10. Based on data of welding line top surface and electron gun track, calculation methods for parameters of welding equipment size, electron gun movement range, and change range of electron gun focusing deepness are studied. above results can provide design reference for three dimension surface of welding assembling jig and welding device structure

    通過讀取焊縫頂面模型數據,結合電子槍運動軌跡,研究了焊機設備真空筒的尺寸、電子槍的運動、電子槍深度變化等參數的計算方法,為焊裝夾具的三維曲面設計以及焊機的結構設計提供了設計依據。
  11. It is equipped with 120w radio frequency laser producer and cti dynamic focusing, so there is smaller light point, and larger tange of marking. besides, its forceful laser power and unparalleled processing speed makes a accurate and vivid effect possible. it costs low and need no materials. the degree of the clearness and depth of marking can be controlled freely

    該機選配美國進口120w射頻激光器cti動態,光點尺寸更小打標更大,加上強悍有力的激光功率,無與倫比的加工速度,實現了精確逼真的加工效果,加要成本低廉,無需耗材,標記清晰深淺度隨意控制,適用於多種你想加工的非金屬產品。
  12. Geometric distortion is traditionally corrected by an image resampling operation which is applied as a post - processing step to pfa. the scene size limits of pfa presented by range curvature qpe, can be alleviated by using an efficient image domain space - vairant post - filter

    通常採用圖像域插值的方法校正幾何失真,而利用空變濾波器使散的點重新,這些校正方法可以減輕距離彎曲對成像的限制。
  13. Draws a focus rectangle within the bounds specified in the

    構造函數指定的邊界內繪制框。
  14. In addition, a non - prescriptive, self - regulatory approach is probably the best regulatory mechanism to be adopted by supervising authorities. this paper thus discusses the corporate auditor system of financial holding companies using the methodologies of the sociology of law, the law and economics and the comparative jurisprudence. the first chapter examines the role and the various types of financial holding companies

    第一章介紹金融控股公司存在之意義及各種形態,嗣以經濟學中之規模經濟及(疇)經濟理論,就金融控股公司及所屬子公司之組織結構進行編配,使控制、從屬關系在法律的基本架構下,獲得正確的安排,以適當的規模及專長業務之經營模式,創造利潤。
  15. The message is : the faster you scope the project down to a manageable and realistic set, the sooner you can realize value by focusing on key services to expose with service descriptions that form the cornerstone of the soa

    消息是:你將項目的定義至一個可管理、實現的集合越快,你就能更快的通過在關鍵服務來公開組成soa基礎的服務描述來實現價值。
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