束發散度 的英文怎麼說

中文拼音 [shùfāsǎndù]
束發散度 英文
beam divergence
  • 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;...
  • 發 : 名詞（頭發） hair
  • 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
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  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 angle and beam propagation ratios - part 2 : 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.第2部分:一般像散束
  3. 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
  4. 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
  5. Because the beam formed by a tapered coupler is produced by many rays that emerge at slightly different angles, the outgoing beam is characterized by a relatively large divergence.

    因為尖劈耦合器形成的光束是由許多出射角稍有不同的光線組成的，放出射光束的特點是具有較大的發散度。
  6. A beam of high radiant power will have high divergence.

    高輻射功率的光束會有高的發散度。
  7. The angular extent in a specified plane which contains all the radius vectors of the polar curve of luminous intensity having lengths greater than a specified fraction of the maximum

    在某一平面上，一定角寬范圍內所包含的光強極軸曲線上的矢徑長度均大於其最大值的某一特定比例，這種情況定義為光束的發散。
  8. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究，提出了一系列可供參考的數據：確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角；討論了第二準直器的尺寸和發散，以及使用第二準直器造成的強度損失；給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率，以及多種組合情況下譜儀的解析度曲線；對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。
  9. The laser power is detected through the pd ’ s movement across the faculous region. when the value of the peak value of laser power is got, the power of the facular boundary points can be found according to definition of the facular boundary such as “ 1 / e ~ 2 ” theory. then the equation of the facular boundary can be made fitting by using the least square method, and calculate the beam divergence at last

    採用兩個光電探測器分別檢測光束不同高度上的兩個光斑，在確定光斑中心最大光強值后，根據光斑截面尺寸的1 / e2定義，得到光斑截面邊界點的光強值，並以其為標準判定光斑截面的邊界點，對探測到的邊界點通過最小二乘法進行擬合，得到橢圓光斑截面的方程，根據空間幾何關系求出發散角。
  10. 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。
  11. In the focal plane of z = 0, the smaller the dss of the fhb, the higher the optical potential, and the greater the corresponding optimal detuning 8, which are beneficial to atomic lens because it cannot only be profitable to obtain an atomic lens with a higher resolution, but also helpful to reduce the spontaneous emission and photon scattering effects of atoms in the fhb

    在焦平面上，聚焦中空光束的dss越小，光學勢越大，相應的最佳失諧量越大，這對原子透鏡的性能越有利。因為這不僅容易得到高解析度的原子透鏡，而且還可以減少在聚焦中空光束中原子的自發輻射和光子散射效應。
  12. The study shows four major problems existed in individual housing loan. 1 ) supply constraints of individual housing loan. fund sources are highly dependent on commercial banks while large fund idles in the society ; house accumulation fund contributed by the borrowers has not reached a reasonably big ratio of house purchase ; and housing loan businesses of less assortments, smaller amount, and shorter terms, worsen the fund supply

    研究表明，當前我國個人住房消費信貸發展中存在著許多問題，主要包括：第一、個人住房消費信貸資金存在供應約束，從資金來源上看主要集中於商業銀行，未充分調動起社會閑散資金，公積金繳存比例小；從貸款方式來看，貸款品種單一，實貸額度小、期限較短。
  13. The condition, under which the paraxial approximation is valid, is given. 4. starting from the rayleigh diffraction integral, the propagation equation of ultrashort pulsed beams in dispersive media has been derived without making the paraxial approximation and slowly varying envelope approximation ( svea ), which allows for relatively large angles

    從瑞利衍射積分公式出發，未作慢變振幅近似和近軸近似的條件下，導出了等衍射長度超短脈沖高斯光束在色散介質中非近軸傳輸方程，可用來處理色散介質較大角度的傳輸。
  14. Simulation on the a - magnet of 30mev linac is also done with the gpt code ; the movement picture of electron beam in a - magnet is presented ; the change of beams emittance, the compression effect of bunch length, change of energy dissipation and achromatic angle of true a - magnet are explored. this chapter mainly introduces some characteristics and properties of the main accelerate stage in 30mev linac system

    利用gpt程序對30mevlinac中的-磁鐵進行了動力學模擬，給出了電子束在-磁鐵中的運動圖像，研究了注入器輸出束流經過-磁鐵后束流發射度的變化、束團長度的壓縮效應、能散度的變化以及-磁鐵實際的消色散入射角。
  15. Numeric simulation is done based on 30mev linac structure and the corresponding parts " parameters. the simulate result shows that the design of beam line is reasonable. the beam properties change very small when the drifting distance before the first acceleration stage is changed in the certain ranges

    根據30mevlinac結構和元件參數進行了整體的數值模擬，模擬結果表明： 30mevlinac中各個加速段的結構與性能較好，輸出束流的發射度和能散度都較小，束線的設計也較合理。
  16. We give ptr ' s amplitude and phase signal of one dimension based on the theory of ptr, discuss the ptr ' s signal ' s frequency characteristic, and a method for measuring thermal diffusivity of opaque materials is introduced. then, we study on anisotropic materials " thermal conductivity, the temperature field and thermal conductivity tensor of anisotropic materials is theoretically deduced from the theory of ptr, and is proved by the experiment

    從光熱輻射理論出發，推導出一維情況下ptr信號的振幅和位相表達式，討論了光熱信號的頻率特性，介紹了一種用ptr技術測量不透明材料熱擴散系數的優化方法；接著研究分析了各向異性介質受調制激光束輻照下產生的光熱信號，在理論上推導出各向異性介質的溫度場以及熱導率張量並給予一定的實驗驗證。
  17. A collinear acoustooptic - deflector of pronton - exchanged linbo3 channel wave - guide is studied. the theoretical analysis, structure design and device fabrication of linbo3 pronton - exchanged acoustooptic wave - guided deflector have been finished in this thesis. the width of wave - guide, the width, spacing, effective aperture and width of electrode of interdigital transduces have been theoretically analyzed and designed

    本論文研究了一種質子交換linbo3溝道波導共線式聲光偏轉器，其特點是利用了溝道波導的橫向約束，限制了聲波的發散和衍射效應，使得窄孔徑電極結構得以實現，從而增加了功率密度，使總的聲場驅動功率降低。
  18. After the cold war, especially in the 21st century, multipolarization became clear in an unsteady way. the international reality and structure is undergoing profound, complex transformation : the chinese economy grows rapidly, and china ' s comprehensive national strength improves tremendously, peacefully emerging china plays a more and more important role in the asia - pacific region and the whole world ; after painful transformation of political and economic systems, and long period of recession, the russian economy recovers and develops in a vital way, and it is revitaling its great power status and it plays an important role in the middle east, west asia and central asia and even the whole world ; the integration of the european union makes progress despite setbacks, and the eu as a whole exerts more and more influence in the global economy and politics. the india with a population of more than 1 billion people emerges rapidly and put forward the strategy to be one of the 6 major power centers in the world ; the usa wages a war against terrorism and nuclear weapons proliferation and has got some victories in afghanistan and iraq

    冷戰結束后，特別是進入21世紀后，世界多極化在曲折中發展，國際形勢和國際格局正經歷著深刻、復雜的變化：中國經濟飛速發展，綜合國力大大提高，和平崛起的中國在亞太乃至全世界發揮著越來越重要的作用；俄羅斯經過痛苦的政治、經濟體制改革和長期的經濟衰退後，經濟強勁恢復與發展，其大國地位正在振興之中，在中東、西亞、中亞乃至全世界具有巨大的影響；歐盟一體化在挫折中推進，歐洲作為一個整體在世界經濟與政治中發揮著越來越大的作用；擁有十億人口的印度正在迅速崛起，明確提出成為「世界六大力量中心之一」的戰略目標；美國展開全球反恐和防擴散，並在結束阿富汗戰爭和伊拉克主要戰事後取得階段性勝利。
  19. After the focal plane, the focused hollow beam propagated according to a constant angle of divergence, the dss become larger, and the intensity become weaker

    經過焦點后，這一聚焦中空光束將以一定的角度發散，它的dss會變得越來越大，光強度變得越來越弱。
  20. This article briefly explains the basic principle of coherent jet technology, and contrasts the characteristics of coherent jet with supersonic jet, accordingly the coherent jet technology has lower decay, longer jet distance and less absence of dimple etc, to form into a greater depth of penetration for any stand - off distance and ameliorate the effect of mixing round for liquid

    摘要簡述了集束射流技術的基本情況，與傳統超音速射流的特性進行了對比，從而看出集束射流具有發散小、噴射距離遠和噴濺少等特點，可以形成較大的穿透深度，改善了對鋼液的攪拌效果。
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