物體波束 的英文怎麼說

中文拼音 [wùtǐbōshù]
物體波束 英文
object beam
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 體 : 體構詞成分。
  • 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...
  • 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;...
  • 物體 : [物理學] body; substance; object
  • 波束 : wave beam; beam; wave packet波束空間 [半] wave number space
  1. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章，取得的主要成果及創新點如下： （ 1 ）首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理，在考慮如下物理過程和參量的基礎上：光與物質的雙光子相互作用； stokes光的傍軸衍射； langevin （郎茲萬）噪聲源；晶體表面反射和端面反射；增益系數、光束口徑、脈寬和三倍頻光能量密度，推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。
  2. Chapter 2 : characteristics of propagation of ultra - intense laser beam in a partially stripped preformed plasma channel is discussed, in which the relativistic self - focusing effects, together with the perturbed plasma density, is discussed

    第二章：本章闡述了超強激光光束在拋物型部分電離的預等離子體（聚焦和散焦）隧道中的傳輸特性。研究了相對論自聚焦效應和等離子體波引起的密度擾動對傳輸的影響。
  3. High power ultra short pulse have many special advantages and important applications in icf researches, plasma physics, nonlinear optics and many other realms

    短波長強激光在慣性約束核聚變、等離子體物理、非線性光學以及其它特殊領域中有著獨特的優勢和重要的應用。
  4. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收邊界條件，我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁（光子）晶體貼片天線的性能進行了研究，結果證明加了這種新的電磁晶體覆層結構以後，天線的波束收攏很多，並且向前輻射的增益大大提高，與普通天線相比，天線的e面和h面方向圖上向前輻射的增益均提高了約6db ，另外，該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ，與該物理尺寸天線的方向性系數的理論極限值（ 11 . 9db ）相差0 . 4db ，該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ，比qiu等人設計的電磁晶體天線的相應差值減少了約1
  5. The presence of microwave or ultrasonic wave, the inter - and intra - molecular complexation of cellulose molecules through hydrogen bonding is weakened, and the complexed polymer of cellulose and nylon formed in situ. the yield strength and young ' s modulus of the ramie / nylon / lldpe composites are increased from 9. 68 mpa, 260 mpa to 15. 7 mpa and 722 mpa respectively

    經微波輻照或超聲波處理后，苎麻纖維素氫鍵被削弱，與尼龍形成氫鍵復合物，增強了苎麻尼龍電子束輻照lldpe復合材料體系的相容性，屈服強度、楊氏模量從9 . 68mpa 、 260mpa提高到15 . 7mpa 、 722mpa 。
  6. At last this article describes the theory of the millimeter wave object detection system and provides a project of the system in detail. this 32 - channels focal plane array imaging system operates in 8mm band. it can provide 90 15 degrees field of view, and displays the acquired image during 6 seconds in sunny and foggy

    該系統採用的是32通道焦平面陣列多波束成像體制，系統工作在8mm波段用以提供90 15視野並且在晴朗及有霧的天氣狀況下能在6秒內對周圍景物進行成像。
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