scattering of radiation 中文意思是什麼

scattering of radiation 解釋
輻射擴散
  • scattering : adj. 1. 分散在不同方向的,分散在不同范圍的。2. 廣泛擴散的。3. (選票)數量分散的,不集中的。n. 1. 散亂。2. 在媒介質中的散播。3. 【物理學】散射。adv. -ly
  • of : OF =Old French 古法語。
  • radiation : n. 1. 發光,射光,放熱,放射,發射。2. 【物理學】輻射;放射物;輻射線[熱、能];照射(作用)。3. 【動、植】輻射形;【測】射出測量法;【醫學】射線療法。
  1. In this article, method of moment ( mom ) and floquet mode ( fm ) method will be applied to analysis the radiation and scattering of planar array and curved array

    本文分別採用比較經典的低頻方法?矩量法和一種專用於陣列分析的高頻方法? floquet模( fm , floquetmode )方法對有限陣列電磁散射特性進行分析。
  2. Compton scattering imaging is a radiation imaging technique that forms the image of an object by measuring compton scattering emitted from the object while it is irradiated

    康普頓散射成像是通過測量從被照物體中發射出來的康普頓散射線來對物體內部進行成像的放射成像技術。
  3. Because of the large advantage in the analysis of electromagnetic scattering and radiation problem, using the time domain integral equation ( tdie ) solving every structure of objects ’ scattering become to an important direction in computation electromagnetics, but the classical mot ( marching - on - in - time ) - based tdie solvers have a drawback : the late time stability problems

    由於時域積分方程對于分析電磁散射、輻射問題有著無可比擬的優勢,利用時域積分方程求解各種結構體目標散射成為計算電磁學領域中一個非常重要的方向。但是傳統的時間步進法求解時域積分方程存在致命缺點:后時穩定性不好。
  4. From mathematical models for inverse scattering in two dimensional inho - mogenous media including variable impedance, all kinds of probable mixed variable impedance boundaries and cracks, from interior and exterior trans - mission problems and radiation condition, ill - posed integral equation and indicator function method are formulated for the diverse of boundary iden - tification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solving it by virtual of regularity method, meanwhile, some numerical tests are given. 3

    在二維非均勻介質逆散射邊界識別的數學模型(包括一般的非均勻介質,正交各向異性介質,變阻抗介質,各種可能的混合變阻抗邊界問題)下,由內透射問題和外透射問題以及輻射條件,推導了上述介質的邊界識別的積分方程和指示函數方法,由於積分方程的核充分表徵了散射物的邊界,由此說明只要利用正則化方法求解該積分方程,就可以確定散射物的邊界。
  5. For examples, observation of the gravitational lens phenomenon and the scattering phenomenon produced by microwave background radiation and hot plasmas from galaxies clusters

    ,例如利用引力透鏡現象及微波背景輻射與星系團的熱等離子體造成的散射現象等等。
  6. This cascade of absorption and scattering stops harmful radiation from penetrating to body tissues

    這一連串的吸收與散射,阻止了有害輻射穿透至人體的組織。
  7. Secondly, the mathematical radiation extinction model of nonspherical particle is developed based on t - matrix method, and a computer program is designed to calculate the extinction cross section, scattering cross section, absorption cross section and scattering phase function of fixed or randomly oriented axially symmetric particle

    然後根據t矩陣方法,採用回轉體微粒消光特性的計算模型編制出的相應程序,對固定取向和隨機取向的非球形回轉體微粒的消光截面、散射截面、吸收截面及散射相函數進行了計算。
  8. This dissertation is focused on the radiation problems of various kinds of wire antennas mounted on the complex - shaped pec platform and the scattering problems of complex - shaped electrically - large pec targets based on the theory of method of moments

    本文主要應用基於電場積分方程( efie )的矩量法( mom )研究復雜形狀的金屬載體上多種線天線的電磁輻射問題以及復雜形狀金屬目標的電磁散射問題。
  9. On using wavelets to solve problem of acoustic radiation and scattering from axisymmetric body with arbitrary boundary conditions

    子結構剛度對巨型框架減振結構體系的動態特性影響
  10. Reference to the convention means of the analysis and research for energy spectrum hardening and photon scattering in internal and external, and based on the physical mechanism of radial interacts with matter, this paper approximatively deduce a theoretical formula of correction of energy spectrum hardening and scattered radiation in transmission industrial x - ray computerized tomography from a ideal model. and presented a correction computer program

    本文在分析研究國內外有關射線能譜硬化和散射修正問題的分析方法及其研究狀況的基礎上,從射線同物質相互作用的物理學機理出發,從理論上近似推導了x射線能譜硬化和散射修正計算公式,建立了散射修正的分析模型,並編制了相應的計算機修正程序。
  11. Through analyzing the principle of millimeter wave radiometer, the paper sets up the theory module of millimeter wave radiometer ' s output signal, measures the 3mm and 8mm band targets " radiation and scattering characteristic

    通過分析毫米波段輻射計的工作原理,建立毫米波輻射計輸出信號的理論模型。對3毫米、 8毫米波段目標輻射特性和散射特性進行測試,並對測試方法的可行性進行分析。
  12. Survey of basic electromagnetic phenomena : electrostatics, magnetostatics, electromagnetic properties of matter. time - dependent electromagnetic fields and maxwell ' s equations. electromagnetic waves, emission, absorption, and scattering of radiation. relativistic electrodynamics and mechanics

    簡單介紹電磁學的基本現象:包含靜電學、靜磁學、物質的電磁特性。時變電磁場與馬克思威爾方程式、電磁波、電磁輻射特性(發射,吸收及散射) 。相對電動力學與動力學。
  13. On the base of mathematical domain decomposition method ( ddm ), this paper investigates systematically the quasi - static problems based on laplace equation, the transmission problems in waveguide based helmholtz equation and the three - dimensional scattering and radiation problems based on maxwell equations. the theoretical system is built for the further exploration of ddm in electromagnetic problems

    本文在區域分解法已有的數學基礎上,從基於laplace方程的準靜態問題,到基於helmholtz方程的波導傳輸問題以及基於maxwell方程的三維散射輻射問題,系統地探討了該方法在電磁領域中的應用,為進一步擴展應用研究建立了理論體系。
  14. This paper is an important part of the native defense preparatory study task in the ten - five - year plan, measurement methods of scattering and radiation characteristic of army - targets are systematically researched so as to provide basis for the related native defense project

    本文是「十五」國防預研項目的重要組成部分,對裝甲目標的散射特性和輻射特性測試方法進行了研究,為相關國防項目的研究提供依據。
  15. At the beginning of 1980 ' s, bossavit and verite put it to practical application to three - dimensional eddy - current problems. in 1987, barton and cendes applied the tetrahedral element to three - dimensional magnetic calculation. since 1990 ' s, j. m. jin and j. l. volakis have studied a series of electromagnetic scattering and radiation problems using hybrid techniques based on edge - based fem

    80年代初期, bossavit和verite將四面體棱邊元應用於三維渦流問題, 1987年, barton和cendes將四面體棱邊元首次應用於三維磁場計算揭開了基於棱邊的有限元方法在電磁問題中應用的序幕。
  16. Collective radiation spectra of the resonant inverse compton scattering of the assembly of relativistic electrons in a variable magnetic field

    變化磁場中相對論電子系集體的共振逆康普頓散射譜
  17. Coherent elastic scattering of radiation

    輻射的相干彈性散射
  18. The formula is sometimes used in connection with the scattering of radiation.

    該公式在討論輻射散射問題時,有時要用到。
  19. The main works and results are as follows : 1. by use of one order multiple scattering theory, light scattering and reflection by a single coating layer is analyzed. the variance of radiation intensity, bidirectional reflection distribution function ( brdf ) and laser radar scattering cross section with coating layer parameters is given, with the effect of rough contrast on bidirectional reflection distribution function

    本文主要研究了單層和多層塗層結構介質的光散射特性,以及近場條件下復雜目標對激光波束的散射,其主要工作如下: 1 、採用一階多重散射近似理論分析單層塗層對光波的散射和反射,計算並討論了輻射強度、雙向反射分佈函數和單位面積激光雷達散射截面隨塗層結構參數的變化規律,數值分析了粗糙基底對雙向反射分佈函數的影響。
  20. 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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