自散焦 的英文怎麼說

中文拼音 [zìsǎnjiāo]
自散焦 英文
self-defocusing
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 焦 : 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;...
  1. It ' s well known that both thermal self - defocusing effect and reverse saturable absorption can lead to optical limiting

    眾所周知，熱自散焦效應和反飽和吸收效應都能導致光限幅。
  2. If a child is bullied repeatedly, he or she will not only lower gradually his / her self - esteem and self - confidence, become lonely, anxious, depressed, but also show a series of external behavior problems, such as aggressive / destructive behaviors, scatterbrained, lower achievements, social isolation, behavioral withdrawal etc. as to the students frequently bullying others, they will be excluded by peers, and resulting in social interaction difficulties

    經常受欺負不僅會導致兒童孤獨、壓抑、焦慮、自尊和自我評價下降等內部心理問題；而且，還會造成一些外部行為問題，如注意力分散、學習成績下降、經常逃學，行為孤立、退縮，具有破壞性或攻擊性。對欺負者而言，經常欺負他人會招致同伴群體的社會排斥，從而造成社交困難。
  3. 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。
  4. From maxwell equations the refractive index equation and hamilton - jacobi equation, which describe the evolution of the electric field, are derived including the effects of the diffraction, the third - order intensity - dependent nonlinearity, plasma defocusing, the focusing and defocusing of the plasma channel, and the relativistic self - focusing

    從maxwell方程出發我們得到了兩個包含衍射、三階強度非線性、等離子體散焦、等離子體隧道聚焦和散焦以及相對論自聚焦等效應在內的激光場演化方程，即折射率方程和哈密頓-雅可比方程。
  5. In this paper, dual - beam transmission problem that possess to a certainty included angle and gains the nonlinear schrdinger coupled equation ( nnlse ) in self - defocusing media is discussed

    摘要自散焦介質中雙光束斜入射耦合能發生光束偏轉，通過數值模擬發現在非線性折射率不是均勻分佈時光束偏轉能降低抽運光功率並且偏轉角度不減小，在相同的功率條件下，能產生更大的偏轉。
  6. How a dark pump beam induces a bright probe beam to focus in two - and three - dimensional self - defocusing media is discussed in chapter 5

    第五章，討論了二維和三維自散焦介質中具有暗光束分佈的泵浦光對基模高斯信號光的聚焦作用。
  7. Secondly, it is numerically simulated how a dark pump beam induces a bright probe beam ( with the gaussian profile spatially ) to focus in two - and three - dimensional self - defocusing media, and the main factors that have influence on the focusing of the probe beam are also analyzed

    二、研究了具有暗光束分佈的泵浦光與基模高斯型信號光在二維和三維自散焦介質中同向共同傳輸時的誘導聚焦現象，分析了影響聚焦過程的主要因素。
  8. In this thesis, induced focusing in self - defocusing media is explored thoroughly by numerical method

    本文用數值方法對自散焦介質中的光束誘導聚焦現象進行了系統的研究。
  9. The historical review is given about the research on the induced focusing of optical beams in self - defocusing nonlinear media

    在此基礎上對三維自散焦介質中由交叉相位調制效應誘導的光束聚焦進行系統研究。
  10. In this, we focus on the phenomena of the induced focusing when two beams propagation in self - defocusing nonlinear media in an off - axis geometry

    本論文旨在研究三維自散焦介質中由交叉相位調制效應誘導的光束聚焦。
  11. We study the evolution of a probe beam profile in the influence of a pump beam in the off - axis geometry and obtain the typical process of probe focusing

    詳細研究了泵浦光束輸入振幅對信號光束波形的影響，得到了三維自散焦介質中初始高斯信號光束聚焦時波形的典型演化過程。
  12. It has been theoretically and experimentally demonstrated that in self - defocusing media, a weak beam ( the probe ) can be induced to focus by a strong beam ( the pump ) that propagates simultaneously with it

    理論與實驗結果均表明，在自散焦介質中，強泵浦光可誘導與其共同傳輸的弱信號光聚焦。
  13. In chapter 4, it is simulated that a probe beam and a pump beam counter - propagate in a two - dimensional self - defocusing medium and thorough analyses are made to the induced focusing in this configuration

    第四章，用分步傅立葉方法模擬雙光束在二維自散焦介質中的對向共同傳輸過程，對出現的誘導聚焦現象進行了系統的分析。
  14. In chapter 2, the basic theory on the simultaneous propagation of two optical beam in nonlinear media is given briefly, and a couple of parameters for describing the focusing of a beam are introduced as well

    全文共六章，各章內容如下：第一章，介紹了自散焦介質中的光束誘導聚焦現象及其研究進展。第二章，簡述了雙光束傳輸的基本理論，並且引進了描述光束聚焦過程的幾個參量。
  15. Moreover, for co ( ii ) - porphyrin and fe ( iii ) - porphyrin, nonlinear optical absorption and optical limiting properties are studied respectively. results suggest that fe - porphyrin probably become a potential candidate as optical limiting material excited by wavelength 514. 5nm ar + laser

    在第四章，研究了鐵卟啉（ fe （ ） tppcl ）和鈷卟啉（ co （ ） tpp ）的非線性吸收和熱自散焦光限幅特性。
  16. In the thesis, the knowledge and principle on magnetic particle testing, digital image and image restoration are introduced first. according to demand of the system, the wiener filter restoration based on parameter identification is proposed and analyzed by the matlab experiment, the specification of evaluating effect of image restoration is presented according to out - of - focus radius as well. programming by visual c + + 6. 0, jpeg image files are decoded and converted into bmp files, colorful image is converted into gray image and out - of - focus micro - crack image is restored

    本文首先介紹了磁粉探傷、數字圖像及圖像復原的相關知識和基本原理；根據自動磁粉探傷系統應用的要求，給出了一種基於參數辨識wiener濾波圖像復原方法，並進行matlab實驗分析，提出一種基於散焦半徑的復原效果的評判標準；採用vc + + 6 . 0編程，實現jpeg解碼並轉換成bmp文件格式，然後變換為灰度圖像，再對散焦微裂紋圖像進行復原處理。
  17. To correct these effects, two methods were introduced in this paper : using weighted function to constrain second phase error caused by dispersion, and utilizing pga algorithm to reduce the phase perturbation due to the irregularities of the ionosphere

    本論文介紹了兩種校正方法：利用加權函數抑制色散效應引起的二次相位誤差，以及使用相位梯度自聚焦演算法較正由電離層的不規則性引起的信號相位起伏。
  18. The thesis analyzed the effects, associated with the propagation of laser in plasma channel, such as diffraction, plasma defocusing, the third - order intensity - dependent nonlinearity, the relativistic self - focusing, the focusing and defocusing of the plasma channel, and the absorbtion in the collision plasma and the finite pulse length effect

    文中用哈密頓-雅可比方程方法和源展開方法分別對激光在等離子體隧道中傳輸所涉及的衍射效應、等離子體散焦效應、三階強度非線性、相對論自聚焦、等離子體隧道的聚焦和散焦效應、碰撞等離子體中的吸收效應、有限脈寬效應等等做了基本的闡述。
  19. The thesis includes mainly two parts : the research of out - of - focus image restoration of the automatic magnetic particle testing system and hardware design of micro - crack image processing system based on dsp

    本文主要包括兩方面內容：自動磁粉探傷系統散焦圖像復原的研究；基於dsp的微裂紋圖像處理系統硬體設計。
  20. The thermal self - defocusing effect and reverse saturable absorption properties of nickel one - nuclear complexes have been testified. moreover, the thermal self - defocusing effect and reverse saturable absorption properties can lead to optical limiting, which can be used in optical limiting device

    我們通過研究證明鎳單核配合物具有熱自散焦和反飽和吸收效應，並且這兩種效應都會引起光限幅，可據此特性製成光限幅器件。
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