聚束點 的英文怎麼說

中文拼音 [jùshùdiǎn]
聚束點 英文
beam spot
  • 聚 : 動詞（聚集; 聚積） assemble; gather; get together
  • 束 : Ⅰ動詞1 （捆; 系） bind; tie 2 （控制; 約束）control; restrain Ⅱ量詞（用於捆在一起的東西） bundle;...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  1. Under astigmatism even narrow parallel light beams will not combine into one point.

    有象散存在時甚至很窄的平行光束都不能會聚在一點。
  2. High accuracy kdp crystal optics is now considered as one of optics that is the most difficult to be processed for its series of disadvantageous characteristics to optics processing such as anisotropy, soft nature, easy to deliquesce, high brittleness, sensitive to temperature change, easy to crack and so on. therefore the long machining period, low percent of pass and astaticism quality has become the bottleneck of icf technology, and the surface quality control of kdp crystal processing has become the key problem to be solved in the research of icf in our country

    Kdp晶體零件是目前公認的最難加工的光學零件之一，因為kdp晶體具有各向異性、質軟、易潮解、脆性高、對溫度變化敏感和易開裂等不利於光學加工的特點，所以加工周期長、合格率低、質量不穩定成為慣性約束聚變技術的瓶頸， kdp晶體超精密加工表面質量控制問題已經成為我國慣性約束聚變研究中亟待解決的關鍵問題。
  3. It has been shown that when the partially coherent beams propagate in the atmosphere, it may be less affected by turbulence than are fully coherent ones. moreover in laser fusion a highly coherent beam is transformed into a partially coherent beam, for reducing the speckle and for getting more smooth focused spot

    例如，部分相干光在大氣中傳輸時所受大氣騷動的影響要比完全相干光小得多;並且部分相干光束具有光強比較均勻，對散斑低靈敏等優點而被應用於激光核聚變等領域。
  4. The shadow mask is the critical component of the colour picture tube and the important component for the choice of colour, its function concentrates on the limitation of electronics bound diameter and the screening direction, the electronics bound which is sent by the electronics gun goes scanning, during the scanning process, we should guarantee every bound gathering into the small holes situated on the screen, then these bounds will point to the regularized position through the small holes on the flat mask, and then three basic colours will be produced, at the same time, those useless electronics will be blocked by the mask board

    平板蔭罩是彩色顯像管的關鍵部件之一，是一個重要選色元件，其作用是限制電子束直徑和上屏方向，由電子槍發射的電子束在偏轉磁場的作用下進行掃描，掃描過程中必須使每個電子束只能射中熒光屏上的為該束指定的那些小孔上會聚，並通過蔭罩上諸多的小孔分別打到各自對應的熒光質點上，發出三種基色（紅，綠，藍） ，而無用的電子則被蔭罩板截獲。
  5. 4, single focuse the single head : is single for single laser head that panasonic lead off to adopt to focuse the double the laser beam for focusing ordering the project, he adopting the special whole synthesizing lens, passing lens in the center part ofly the focusing of formation cd the point, and pass the anastigmatic laser beam of part edge the formation the focusing of dvd the point, this kind of construction because of have no the machining to spread to move, and also can t produce the mechanical trouble, therefore increased to recognize the dish the speed, and however and also lowered the cost. but adoption this project of generation is with part of the next generation dvd nonsupports cdr

    4單聚焦單鏡頭：為panasonic率先採用的單激光頭單聚焦鏡雙聚焦點方案，他採用特別的全息綜合透鏡，通過透鏡中間部分的激光束形成cd的聚焦點，通過透鏡邊緣部分的激光束形成dvd的聚焦點，這種結構由於沒有機械傳動，也不會產生機械故障，所以提高了認盤速度，不過同時也降低了成本。但採用此方案的第一代和部分第二代dvd不支持cdr 。
  6. Ultrashort pulse amplification, including chirped pulse amplification ( cpa ) and optical parametric chirped pulse amplification ( opcpa ), has been becoming one of the hot researches in the field of ultrashort pulse laser technology because ultrashort and ultrahigh intensity pulse laser has important applications in high field physics, such as x - ray laser, icf, laboratory astrophysics, laser particle accelerator, and so on

    由於超短超強脈沖激光在x射線激光、慣性約束核聚變、實驗天體物理、激光粒子加速器等強場物理研究領域內的重要應用，超短脈沖激光放大技術目前已成為超短脈沖激光技術研究的熱點之一。它包括啁啾脈沖放大（ cpa ）和光參量啁啾脈沖放大（ opcpa ）兩大類。
  7. The x - ray is isotropic measured by pin detector, the hard x - ray ( > 30kev ) production become smaller with the reduction of the incident laser intensity, when the intensity is lower than 101 ? w / cm2, there is no hard x - ray generation

    這是第一次實驗測量紫外飛秒激光輻照固體靶產生的硬x -射線連續譜，為研究把紫外激光應用於慣性約束聚變「快點火」的可能性提供了實驗數據。
  8. Single beam focusing lens antenna is the basis and crux of the multiple beam focusing horn lens antenna. only adequately and accurately analyzing focal area ’ s position and resolution, consider the influence when horn feed ’ s position is displaced to different location, we can design multiple beam focusing horn lens antenna

    單波束點聚焦透鏡天線是多波束聚焦透鏡天線的基礎和關鍵，只有充分精確地分析了單波束點聚焦透鏡天線解析度大小和焦斑位置，以及單個波束的偏移產生的相應影響，才能設計多波束聚焦透鏡天線。
  9. Laser induced diffusion is a technology that dope the impurities into a certain region of semiconductor by a focused laser. it has the advantages of “ low temperature processing ” and ” direct writing ”, and it is promising to use this technology in the fabrication of monolithically optoelctronic integrated circuits ( oeics ) to solve the incompatibility problem between optoelctronic and electronic components

    激光誘導擴散是用聚焦的激光束局域加熱半導體基片，將雜質以擴散的方式摻入到特定區域並且達到一定要求的一種技術，具有「低溫處理」 、 「直接寫入」 、 「局域升溫」等獨特優點，可有效解決單片光電集成器件（ oeics ）中光、電兩部分的工藝兼容這一難題。
  10. Bringing together two coherent atom beams produces interference ? a pattern of “ bright ” spots ( lots of atoms ) and “ dark ” spots ( with few )

    將兩道同調的原子束聚在一起會產生干涉，出現亮點（原子很多）與暗點（原子很少）的圖案。
  11. For a wiggly-line trace, the beam is focused on the scope face at a point.

    對于波形道，光束在熒光屏面的一點上聚焦。
  12. To deal with the case of 2 dimension spatial self - focusing, it predicts the catastrophic collapse of a self - focusing beam in a kerr medium. this un - physical collapse is due to the invalidity of the paraxial wave equation in the neighborhood of a self - focus

    在該理論應用於空間二維的自聚焦時，出現了光束將無限聚焦的結果，這在物理上是不可想像的，原因是在自聚焦點附近傍軸方程已經失效了。
  13. At last, we discussed the spillover and illumination level. with experiments of single beam and multiple beam lens antenna, we got results that their specifications achieved the project goals

    在此基礎上，設計了多波束點聚焦透鏡天線，並對設計的多波束聚焦透鏡天線進行模擬和試驗。
  14. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點，解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程，同時對線性區的增益進行了計算。理論分析表明，場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。
  15. 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聚焦單波束捕捉目標的有效性能不足，而考慮設計一個具有點聚焦特點的多波束聚焦透鏡天線，以增大捕捉范圍和提高中靶率。
  16. Because a single ray of radiation is not strong enough to affect the tissues, but a concentration of a large quantity of beams can unleash magic power to kill the disease focus at one time just like a scalpel. it is proven that the system can offer quick, safe and reliable magic curative effects without incision, bleeding, infection and pain. gamma knife works similarly as a magnifier

    由於第一束射線的劑量都很小，不會對它穿越的人體組織造成損害而許多束射線匯聚的焦點處則形成很高的劑量，只要將焦點對準病變部位，就可以象手術刀一樣準確地一次性摧毀病灶，達到無創傷無出血無感染無痛苦迅速安全可靠的神奇療效。
  17. We designed, simulated and experimented multi - beam lens antenna based on spot - focusing lens antenna ’ s designing, computer simulation, experiment and analysis. in this paper, the author adopted different methods to discuss resolution including geometry optics, gaussian beam and vector diffraction integration

    然後在對單波束點聚焦透鏡天線進行設計、模擬和試驗的基礎上，進行準確的分析，以作為多波束天線設計的理論基礎。
  18. Chapter 4 elaborates on the image formation theory of pfa and shows the images formed through the point targets simulation and live data. paticularly, a data convertion method from stripmap raw data to the equivalent spotlight data is introduced and the limitation of pfa is also analyzed

    第四章闡述pfa的成像機理，以點目標模擬和實測數據驗證pfa的成像性能，著重介紹了從條帶測繪數據中提取等效聚束數據的轉換方法，最後分析了pfa的局限性。
  19. We studied radar backscattering models of ocean surface and modulation mechanism of sar signal. and the research focuses on the composite surface backscattering model and velocity bunching modulation mechanics. based on these theories, we built up an sar imaging model pertained to ocean waves

    研究了海面的電磁波後向散射模型和海浪對sar信號的調制機理，其中，重點研究了復合表面模型和速度聚束調制機理，在此基礎上建立了適合於海面的sar成像模型。
  20. Common focus point gather migration velocity modeling based on constraint parameter inversion

    基於約束參數反演的共聚焦點道集偏移速度建模方法
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