象散光束 的英文怎麼說

中文拼音 [xiàngsǎnguāngshù]
象散光束 英文
astigmatic pencil
  • 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
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 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;...
  1. Lasers and laser - related equipment - test methods for laser beam widths, divergence angles and beam propagation ratios - general astigmatic beams

    激光和激光相關設備.激光束寬度發散角和束擴散率的試驗方法.一般象散束
  2. Lasers and laser - related equipment - test methods for laser beam widths, divergence angles and beam propagation ratios - stigmatic and simple astigmatic beams

    激光和激光相關設備.激光束寬度發散角和束擴散率的試驗方法.無象散和簡單象散束
  3. Lasers and laser - related equipment - test methods for laser beam widths, divergence angle and beam propagation ratios - part 1 : stigmatic and simple astigmatic beams

    激光和激光相關設備.激光束寬度發散角和束擴散率的試驗方法.第1部分:無象散和簡單象散束
  4. 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。
  5. Like the searchlight beam, the radio beam cannot be made very sharp; it tends to spread.

    無線電射束也象探照燈的光束一樣，是不能高度集中的；它總要散開。
  6. The light beam from a laser will not spread out as the beam from a flash light or searching light does.

    從激光中發出的光束不象手電筒或探照燈發出的光束那樣擴散開。
  7. A young and beautiful girl, with hair as black as jet, her eyes as velvety as the gazelle s, was leaning with her back against the wainscot, rubbing in her slender delicately moulded fingers a bunch of heath blossoms, the flowers of which she was picking off and strewing on the floor ; her arms, bare to the elbow, brown, and modelled after those of the arlesian venus, moved with a kind of restless impatience, and she tapped the earth with her arched and supple foot, so as to display the pure and full shape of her well - turned leg, in its red cotton, gray and blue clocked, stocking

    一個年輕美貌的姑娘正斜靠在壁板上，她的頭發黑得象烏玉一般，眼睛象羚羊的眼睛一般溫柔，她那富有古希臘雕刻之美的纖細的手指，正在撫弄一束石南花，那花瓣被撕碎了散播在地板上。她的手臂一直裸到肘部，露出了被日光曬成褐色的那部分，美得象維納斯女神的手一樣。她那雙柔軟好看的腳上穿著紗襪，踝處繡著灰藍色的小花，由於內心焦燥不安，一隻腳正在輕輕地拍打著地面，好象故意要展露出她那豐滿勻稱小腿似的。
  8. ( 4 ) light - induced scattering in sbn : 61 : cr crystals under applied fields and its suppression are studied. a new method is proposed that the scattering light can be suppressed through erasure of scattering gratings by higher power pump beam ( coherent or incoherent )

    （ 4 ）討論了sbn 61 cr晶體在外加直流電場作用下的光感應光散射現象及其消除方法，提出通過引入另外一束相對高強度的光束（相干或者非相干） ，利用其對散射光柵的擦除作用消除信號光束的散射。
  9. When various diameter particles are irradiated by a collimated laser light beam, light scattering phenomenon takes place, and the scattering light parameter include the information of the particles size distribution. mie scattering theory is the fundamental principle of the particle size measuring instruments and its computations are complicate

    微型化霧粒粒徑分佈測量儀的測量原理是米氏光散射理論，當不同粒徑的顆粒被平行激光束照射后，發生光散射現象，散射光的參數包含有被測顆粒粒徑的信息，但其數值計算量大且復雜。
  10. 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。
  11. 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。
  12. 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。
  13. 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。
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