inhomogeneous field 中文意思是什麼

inhomogeneous field 解釋
不均勻場,非均勻場
  • inhomogeneous : adj. 1. 【生物學】不同質的，非純系的，不同源的。2. 不均勻的，不純一的。3. 【數學】非齊次的。
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  1. Description of irregular inhomogeneous refractive index field

    無規則非均勻折射率場描述
  2. The modeling and interpretation of receiver function for lateral inhomogeneous media is a potential study field for the physics of the earth interior

    用橫向非均勻介質模擬並解釋接收函數，是地球內部結構研究的一個潛在的發展方向。
  3. Abstract : in the field of optical wireless links, concentrators that are designed by the tools of nonimaging optics can be used to collect the light radiation and are more compact and have higher collection efficiencies than imaging concentrators. hemispherical concentrators are studied by ray tracing, then for several normal nonimaging concentrators : hemispherical concentrators, compound parabolic concentrators ( cpc ), dielectric totally internally reflecting concentrators ( dtirc ), simultaneous multiple surfaces concentrators ( sms ) and inhomogeneous media concentrators ( poisson bracket ), the design methods and the performances e. g. the gain and the field of view ( fov ) are compared as well as the application suggestion

    文摘:在無線光通信領域，利用非成像光學設計的集中器能夠聚集光輻射能量，而且相對于成像性集中器具有更緊湊的結構和更高的增益.利用光線追跡法對半球形集中器的性質進行了分析與研究.對好幾種非成像集中器:半球形集中器，復合拋物線形集中器，介質內部全反射集中器，多表面集中器，多相介質集中器，從設計原理、增益和視場進行比較，並分析其應用場合
  4. Electromagnetic inverse scattering aims to reconstruct the distribution of the dielectric characteristics of unknown inhomogeneous dielectric object by scattering wave. in the near thirty years, it has been extensively used in military, medical imaging and nondestructive testing field

    電磁逆散射（又稱為電磁反演或電磁成像）是對接收到的未知物體的散射信號進行分析處理從而重建未知物體的幾何形狀和內部結構。
  5. The deviation value was used to characterize the inhomogeneous degree of concentration fields, and the attenuation rate with time was used to characterize the injection dispersion performance of flow field

    以此方差近似表徵了示蹤劑濃度場的非均勻度，其衰減規律可用於定量描述振蕩流場的注入分散特性。
  6. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制，以控制沉積過程，減少金剛石膜生長過程中的缺陷，並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程；利用微波對材料的選擇加熱特性，通過構造等效方程，並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中，建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型，為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備，並對基片加熱材料進行了設計和優選，以獲取大面積均勻的溫度場區，甚至獲得大於基片臺尺寸的均勻溫度區；作為研究重點之一，開展了微波等離體化學氣相沉積金剛石的成核與生長研究，系統地研究了在（ 100 ）單晶硅基片上mpcvd沉積金剛石膜的實驗過程中，基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響，分別用raman光譜、 x射線衍射（ xrd ） 、掃描電鏡（ sem ） 、紅外透射光譜（ ir ） 、原子力顯微鏡（ afm ）對薄膜進行了表徵，確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  7. The current trends of this field is to acquire the current density of dipole distribution rather than a few dipoles. based upon that, a new model was proposed - dipole layer localization method ( dllm ) : spherical dipole layer was used as source model, on which dipoles were distributed by equilateral triangles ; three concentric inhomogeneous sphere was used as head model, which contains scalp, skull and cortex with different conductance. the dipole distribution and scalp potential tomography were obtained with singular value decomposition ( svd )

    鑒于該領域的研究趨勢已從求取少數偶極子過渡到偶極子分佈密度的獲得，本文提出了新的模型? ?偶極面定位方法（ dipolelayerlocalizationmethod ， dllm ） ：以等邊三角形均勻分佈的偶極子構成的偶極面（球面）作為源模型；包括頭皮、顱骨和皮層的三層同心介質球作為頭顱模型，運用奇異值分解來求解逆問題，從而獲得偶極子分佈和頭皮電位分佈，實現三維成像。
  8. The theory of diffraction aberrations caused by aero - medium was introduced, a physical model on laser propagation in ordered, random inhomogeneous aero - medium was discussed and analyzed. the far - field energy distributions in two condition were given

    介紹了氣動光學介質引起的衍射像差理論，分析討論了一套同時可以用於激光在有序，隨機兩種非均勻氣動介質中傳輸的理論模型。
  9. Due to the ac stark effect, neutral atoms will undergo a dipole force from the inhomogeneous electromagnetic fields, while the dipole force acting on the atoms is proportional to the atomic dipole momentum and the gradient of light field

    由於交流斯塔克效應，中性原子在非均勻電磁場中會受到的光偶極力的作用，偶極力的大小正比與原子的感生偶極矩及光場的梯度。
  10. With these three calculated parameters, the attenuation factor value of the radio wave propagation in the earth ' s crust is calculated by the ways of plane wave method and communication formula method, and the value of the leakage on the ground is also calculated by the inhomogeneous medium ' s field analysis method

    據此三種參數，利用平面波法和通信公式法計算出電波在地殼中傳播的衰減因子值，以及利用非均勻介質的場分析法計算出地面場強泄露衰減因子值。
  11. As the oil exploration aimed at anisotropy inhomogeneous porous reservoir presently, it is important to study the acoustic theory and borehole acoustic field distribution with numerical simulating so as to invent new logging methods and equipments to obtain enough information to evaluate the complex reservoir characters quantificationally and identify the hydrocarbon zone accurately

    隨著陸上油氣勘探目標趨向孔隙結構復雜、非均質性強的油氣儲集層，基於地層各向同性介質的測井理論顯露弊端；因此研究復雜地質條件下的井筒聲場分佈特徵、為儲層解釋和發展剛井新方法提供理論依據成為必然。
  12. This paper first introduces the background of the study, then reviewed recent work and discoveries in the studies of macromolecular crystallization using both homogeneous and inhomogeneous magnetic field, and finally discusses the future research directions in this field

    就強磁場環境對生物大分子結晶過程的影響研究進行了評述，並對該領域的未來發展方向做了預期。
  13. Firstly, as a forward problem is solved for each iteration of ga reconstruction, calculating the electric field for a given distribution permitivity and driving source - this aspect will be treated with more detail. the thesis uses finite element method ( fem ) to solve it, because fem can conveniently handle inhomogeneous dielectric, converge well, and spare computing time by compacting the matrix

    本文首先建立了介電成像的數學模型，採用有限元方法求解正問題，有限元方法的優點在於能方便地處理非均勻介質、具有良好的收斂性、可以壓縮系數矩陣而節省計算時間，這有利於應用遺傳演算法進行優化。
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