線繞射法 的英文怎麼說

中文拼音 [xiànràoshèfǎ]
線繞射法 英文
x ray diffraction method
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 繞 : 繞名詞1. [書面語] （彎曲） bend2. （姓氏） a surname
  • 射 : 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） ...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  1. Lc test method for crystallite size of calcined petroleum coke by x - ray diffraction

    用x -射線照繞射法測定煅燒石油焦中結晶尺寸
  2. 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 ） 、幾何繞射理論（ gtd ） 、一致性繞射理論（ utd ） ，利用改進的射線跟蹤法對微蜂窩中電波傳播特性進行了數值分析計算。
  3. 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波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、入射波壓力、繞射壓力、輻射壓力和波浪沖擊壓力諸分量。
  4. Method includes some extra spacing for descenders and white space, but the text will be reflected around the baseline, which is the line which all capital letters sit on

    方法返回的高度包括一些額外的下行字母和空白的間距，但文本將圍繞基線反射，所有大寫字母都在此線上。
  5. The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull

    本文的研究分為二個部分：首先利用frank源匯法計算水動力系數，計算包括不同吃水時的附加質量和阻尼系數，吃水范圍涵蓋了船舶大幅度運動時所有可能的吃水；然後建立和求解船舶大幅度運動方程，在實際計算時一方面考慮了運動模態之間的耦合，另一方面在計算水動力時，考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力系數隨吃水瞬時變化，靜浮力的計算精確到船體瞬時濕表面積，最後用四階龍格?庫塔方法在時域內求解船舶運動方程，並進行了載荷計算。
  6. 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射和繞射流場，計算了破損船體非正浮狀態條件下的波浪載荷。
  7. Standard test method for determination of relative crystallinity of zeolite zsm - 5 by x - ray diffraction

    X射線繞射法測定沸石zsm - 5相對結晶度的標準試驗方法
  8. This technique combines the edge - based finite - element method with physical optics ( po ) and physical theory of diffraction ( ptd ). the hybrid technique is applied to compute the scattering fields from the electrically large bodies with cracks and cavities on their surfaces. it is also used to analyze the scattering characteristics of microstrip antennas residing in a cavity mounted on metal objects with finite sizes

    本文採用edge - basedfem為基本方法，結合物理光學法（ po ） 、物理繞射理論（ ptd ） 、邊界積分方程（ bi ） 、區域分解技術（ ddm ）和完全匹配層（ pml ）吸收邊界條件等求解方法構成的混合方法，對電磁散射和輻射問題進行了研究，主要包括以下內容：提出了一種edge - basedfem與物理光學方法和物理繞射理論相結合的混合方法? fem po - ptd方法，並將該混合方法應用於帶有腔體或槽縫的電大尺寸導體目標的電磁散射特性分析和位於有限導體目標上的背腔式微帶貼片天線的電磁散射特性分析。
  9. The wavelengths of reflectance peaks and vales are got by spectral derivative method in section 3. 3. mechanism of them is analyzed. red tide and normal seawater, as well as some different dominant species of red tide, such as chattonella marina and mesodinium rubrum, can be discriminated by using the wavelength information of second reflectance peak

    3 . 3節運用該方法得出了實驗赤潮水體光譜曲線的兩個反射峰和一個吸收峰的波長范圍，並對其產生機理進行了分析;更為重要的是，利用光譜曲線第二反射峰的波長位置實現了赤潮與非赤潮水體的光譜辨別，以及紅色中繞蟲、海洋褐胞藻等不同優勢種類赤潮的識別。
  10. The methods to realize left - handed medium are reviewed, including combination of split ring resonators ( srrs ) with thin metal wires, and those beyond srrs

    本文從理論構想和實驗兩個方面對左手材料做了詳細的綜述，圍繞負折射頻率從微波到近紅外的研究進展這一主線，具體介紹了實現左手介質的方法。
  11. Incremental length diffraction coefficients ( ildc ) is adopted to calculate the contribution of edge diffraction. in order to improve the accuracy of calculation, multi - scattering is discussed, based on the two former contributions and ray - tracing method. geometrical optics ( go ) and physical optics ( po ) are used to calculate the multi - reflection between facets and facets

    對于鏡面反射採用物理光學法計算其散射貢獻，結合基於面元的目標模型的表示，採用離散的積分形式，將面電流積分化簡為線積分，簡化計算復雜度；對于邊緣繞射，運用增量長度繞射系數理論計算目標邊緣繞射場；在多次反射中，則以光線跟蹤方法為基礎，採用幾何光學、物理光學相結合的方法分析考慮多次散射場。
  12. The text even explores the method to build the building database and computes the field intensity based on geometrical optics and consistency diffraction theory

    本文還探索了自動建立建築物數據庫的方法，基於幾何光學和一致性繞射理論對跟蹤射線的場強進行了計算。
  13. The team ? sir john pendry of imperial college london with david schurig and david smith of duke university in north carolina ? used the equations to devise a way to cloak an object with a material that would deflect the rays that would have struck it, guide them around it and return them to their original trajectory

    這個小組由倫敦皇家學院的約翰?彭德萊爵士及北卡羅萊納州杜克大學的戴維?舒里格和戴維?史密斯組成運用這些方程，創造出一種方法：在物體表面覆蓋一層物質，使投射其上的光線發生偏轉，並引導光線繞過物體，重返最初的軌道。
  14. On the other hand, the multi - level fast mutipole algorithm ( mlfma ) which based on the integral equation method can obtain the result with great accuracy, but this method accounts in all the couplings between every sub - scatter objects, it needs much more to store all of the information, and because of the rigorous integral on the spectrum space the computational complexity is also enormous

    相對於一些傳統的方法如幾何光學方法，幾何繞射方法，彈跳射線方法有著更高的精度和更廣的適用范圍。但是由於其基於積分方程方法，需要對全局中所有的子散射體之間的相互耦合加以考慮，從而導致在求解電大尺寸目標的散射問題時需要巨大的存儲空間。同時由於其在譜域上嚴格積分導致計算量也很大。
  15. In the yield data acquire multi - line geometric in a radial pattern is adopted. before theoretical explanations about the non - uniqueness of inversions and the necessity of constrains are illustrated, the description of linear travel - time interpolation ( lti ) calculations, the derivation of jacobian linear equations, and the deductions of solving large sparse matrix equations, i. e. the lsqr iterations, are involved. in order to cope with the uncertainties in tomography, we reach several categories on constraint methods

    對於野外數據採集採用多測線上放射狀布置檢波器；圍繞層析成像方法，文章分析了線性差值射線追蹤lti技術，推導出在矩形網格內速度以雙線性關系變化時方程組的解析式，進一步詳細探討方程組的求解方法，即最小平方正交分解法，並給出了迭代公式。
  16. Standard test method for identification of crystalline pigments and extenders in paint by x - ray diffraction analysis

    用x射線繞射分析法鑒定塗料中結晶顏料和填充劑的標準試驗方法
  17. X - ray diffraction method x

    線繞射法
  18. With these backgrounds, the object being investigated in this article is composite metallic and dielectric structure which is composed by piecewise homogeneous, linear and isotropic medium, the problem being investigated is the complex scattering and radiation problem, the intention being investigated is modeling and fast computing the electromagnetic characteristic of electric large complex structures with uniform method, the final objective is developing general fast electromagnetic computing software to solve the realize electromagnetic computing problems in engineering

    本文就是圍繞這一背景展開的，研究對象是由分塊連續、線性、各向同性媒質組成的「金屬與介質混合結構」 ，研究問題是復雜的散射和輻射問題，研究目標是以統一的方法對電大尺寸復雜結構作電磁建模與快速計算，最終目的是開發通用的電磁計算程序，來解決一些工程中的復雜電磁計算問題。
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