繞射波 的英文怎麼說

中文拼音 [ràoshè]
繞射波 英文
diffracted wave
  • : 繞名詞1. [書面語] (彎曲) bend2. (姓氏) a surname
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • : 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...
  1. And our demo nicely shows the motion of water waves : reflecting, intervening, circumambulating

    實驗結果表明,水的運動是逼真的。我們成功地模擬了水的反、疊加和現象。
  2. Problems of diffracting effects of nonlinear water waves on porous structures

    可滲透型結構的非線性水作用問題
  3. Abstract : the more detailed mathematial derivation and analysis of watson transformation in diffraction theory of ground wave is made by two different method. in derivation necessary and approximate conditions requred to make the transformation are specially discussed

    文摘:採用兩種不同的方法對地理論中的瓦特松變換問題做了較詳細地數學推導,並著重討論了做瓦特松變換的要求的必要條件與近似條件。
  4. The model is based on the theory of physical optics ( po ), geometry theory of diffraction ( gtd ) and uniform theory of diffraction ( utd ), and it can compute and analyze the propagation of em wave in microcellular environments by using improved ray tracing method

    該模型基於物理光學( po ) 、幾何理論( gtd ) 、一致性理論( utd ) ,利用改進的線跟蹤法對微蜂窩中電傳播特性進行了數值分析計算。
  5. This method applies the extended strip theory to establish the nonlinear ship motion equations in regular head seas, obtains stable time course by resolving in time domain, and then pressure vectors will be available. the pressure includes static pressure, incident waves pressure, diffraction pressure, radiation pressure, and wave impact pressure, and changed with instantaneous draft of each intersection

    該方法應用擴展的切片理論建立迎浪規則中船舶非線性運動方程,通過時域步進求解獲得船舶剛體運動的穩定時歷,進而給出與船體各橫剖面瞬時吃水相對應的靜水壓力變化、入壓力、壓力、輻壓力和浪沖擊壓力諸分量。
  6. Problems on diffraction of second - order multicolored water wave by porous structures in stratified ocean

    層化海洋中二階多色對可滲透結構的問題
  7. On the boundary value problem of the second order stationary wave diffraction potential

    關於二階勢穩態解邊值問題
  8. 2. it simplified the tlp as vertical floating arrays, did some work about second - order nonlinear diffraction wave force on tlp

    2 .將結構簡化為直立浮筒柱群,研究了平臺本體上浪的二階非線性問題。
  9. This dissertation is about the rigorous vector analysis and design of subwavelength diffractive microlenes

    本論文圍長衍微透鏡的嚴格矢量分析與設計展開。
  10. The hydrauli c model of gradual dike - break simulates numerically the 2 - d flow of gradual dike - break waves. it shows the variation of flow field on breach, and the complicated flow characteristic of the propagation, diffraction, reflection and deformation of the dike - break waves. the hydraulic model can realistically simulate the burst process of dike, and computational accuracy is satisfied with the engineering demands

    本文建立逐漸潰堤的水力模型首次對二維逐漸潰堤的流動問題進行了數值研究,揭示了逐漸潰堤過程中潰口處流場的變化情況,以及潰堤的傳播、、反及變形的復雜運動特徵,能較好地模擬實際工程中的潰堤失事,模擬比較逼近於真實潰決過程,計算精度可滿足工程要求。
  11. The computer speed is speeded up. the numerical results of the present models are in agreement with the theoretical solution and those of physical models. systematical numerical tests show that the present models can reasonably simulate the wave transformation, such as shoaling, refraction, diffraction, reflection, effect of currents and so on

    比較詳細的模型驗證與應用表明,模型的數值模擬結果與解析解、物模實驗值吻合良好;可以較好地模擬浪傳播過程中的淺水變形、折和反等多種現象;能正確合理地反映水流對浪傳播的影響。
  12. Since the dichromated gelatin has a higher diffraction efficiency in all holographic recording materials, the aim of this research is to use dichromated gelatin as the recording material and to make use of the principle of holography to design holographic optical components, especially in fabrication procedure of dichromated gelatin film and in experimental technique to form a high diffraction efficiency using different angular exposure method

    為了產生優質的聚焦能力與效率,本研究採用目前具有最高效率( 80 ~ 90 % )的重鉻酸明膠材料作為感光劑,除了自行調制藥劑比例成分,並依嚴格的製作步製成重鉻酸明膠全像片外,並採用不同角度重覆曝光方式改良干涉式帶板無法自動追蹤的缺點,經過多次試驗與改進,藉以形成具備高效率和自動追蹤功能的全像光學帶板。
  13. Nature of light, geometrical optics, and gaussian approximation, wave optics, interference of light, coherence, polarization of light, diffraction of light

    光的性質、動光學、幾何光學及高斯近似、光的干涉、相干性、光的偏振、光的、一些重要的應用實例。
  14. After solution of radiational and diffractional fluid field of asymmetrical sections by applying the multipole expansion method, wave loads on damaged ships are calculated by the linear strip theory under the non - upright floating condition, taking the effect on the heel angle and trimming angle caused by the damaged tank inundation below waterline into account

    然後採用線性切片理論,計及水線以下破損后船舶由於艙室進水產生的橫傾角與縱傾角的影響,利用多級展開法求解非對稱剖面的二維輻流場,計算了破損船體非正浮狀態條件下的浪載荷。
  15. Abstract : the effects of airfoil geometric parameters on wing " s spacial and polarized scattering characteristics have been systematically revealed. the results of the study indicated that the calculating value of diffraction from trailing edge by using the formula of the straight wedge is very far from experimental results for vertical polarization, and the contribution of thickness of the trailing edge to scattering must be considered in the calculation. the scattering peak of leading edge depends only on radius of airfoil for horizontal polarization. but for vertical polarization, it depends on maximum thickness and the location of maximum thickness. engineering formulas for evaluating all scattering peaks were given in the paper. it is important for the design of low - rcs wing

    文摘:系統地揭示了翼形幾何參數對機翼的空間散特性、極化散特性的影響規律.研究發現,在垂直極化狀態下用理論尖劈公式計算機翼后緣的計算結果與實驗結果相差甚遠.提出在垂直極化狀態下機翼后緣的計算必須將后緣厚度考慮在內的見解.對於水平極化,前緣散峰只與前緣半徑有關;而對於垂直極化,前緣散峰與翼形最大厚度以及最大厚度位置有關.給出前後緣散峰的工程估算公式,為低雷達散截面( rcs )機翼設計提供依據
  16. Diffraction test for a submerged body in 2 - d numerical waves

    二維數值浪水池中的潛體試驗
  17. Seismic wave field feature of ordovician carbonate karst reservoir ( cave, reef, hole, crack and cranny ) in tahe oil field is the difference magnitude diffraction wave over weak reflection amplitude, so, the diffraction wave exact imaging and fidelity amplitude processing is the basic of carbonate karst reservoir study

    摘要塔河油田巖溶儲集體(洞穴、礁灘、孔洞、裂縫或裂隙等)的地震場特徵是弱反背景之上的強弱不同的繞射波,因此,繞射波準確歸位成像和振幅保持是研究巖溶儲集體的基礎。
  18. On the basis of the study of the characteristics of diffracted wave produced during the vibration propagation along the fissures, in association with practical example, the paper introduces the features of prospecting the depth of fissures of structural mass by using the seismic method

    該文在研究振動沿裂縫傳播時所產生繞射波的特徵基礎上,結合實例,介紹了運用地震法探測結構體裂縫深度的方法特點。
  19. Abstract : on the basis of the study of the characteristics of diffracted wave produced during the vibration propagation along the fissures, in association with practical example, the paper introduces the features of prospecting the depth of fissures of structural mass by using the seismic method

    文摘:該文在研究振動沿裂縫傳播時所產生繞射波的特徵基礎上,結合實例,介紹了運用地震法探測結構體裂縫深度的方法特點。
  20. It shows excellent results to reveal the efficiency of the method, also prove the superior science research value of pgpr and give direction for consummating the apparatus next step

    異常汽繞射波形得到有效的歸位,異常體空間位置與實際測量的結果基本一致並且處理速度快,不僅表明了該方法的有效性,證明相控陣探地雷達技術具有一定研究價值,也為儀器的進一步完善提供了思路。
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