inhomogeneous distribution 中文意思是什麼

inhomogeneous distribution 解釋
不均勻分佈
  • 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。
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  1. 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。
  2. Based on a 3 - d transient thermal model with inhomogeneous heat generation, the temperature and thermal stress distribution in the disk of heat capacity laser pumped by high power laser diode array ( lda ) are simulated and analyzed by means of finite element methods

    摘要為了研究激光介質熱畸變對固體熱容激光器的影響，數值計算了高功率激光二極體陣列抽運片狀激光介質的瞬態溫度場和熱應力分佈。
  3. According to the problem of failure and instability in roadbed and cutting engineering of underground karat cavity, on the basis of inhomogeneous elastic damage model, this thesis propose the fem back - analysis from instability - strength degradation, to describe inhomogeneity of material suppose that the material parameter obeys statistical distribution

    摘要針對地下溶洞路床路塹工程變形與失穩問題，本文提出了基於非均質彈性損傷模型的有限元失穩強度折減反分析法，認為材料參數服從統計分佈來描述材料的非均勻性。
  4. 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。
  5. 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。
  6. In sicp / al composites, the main defects are hole and very inhomogeneous distribution of sic particles

    在所測的sicp al復合材料工件中的缺陷主要是sic粒子分佈不均勻以及材料中存在氣孔。
  7. Grin micro - sphere is a new - type optical element, its optical function is mainly achieved by the inhomogeneous reflective index distribution of the medium

    Grin聚合物微球是一類新型光學器件，主要依靠其特殊的非均勻折射率分佈實現各種光學功能。
  8. Thus it is a conclusion that the cellular structure is the main reason that causes the inhomogeneous distribution of c impurity, and we also analysis theoretically the mechanism of the inhomogeneous distribution of c and the impact on material electricity characteristic

    因此，本文認為si - gaas中胞狀結構是引起碳不均勻分佈的主要原因，本文還研究了造成這種不均勻分佈的機理，及對材料電學特性的影響。
  9. 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。
  10. It is a new - type optics element, and its optical function is mainly achieved by the inhomogeneous reflective index distribution of the medium. it has such advantages ? simple geometric shape, small volume, short optical path, lightness in weight, easiness in producing by wholesale, etc. it has great potentialities in such fields as micro - optics, integrated optics and optics communication

    它是一種新型光學器件，主要依靠介質特殊的非均勻折射率分佈實現各種光學功能，具有幾何形狀簡單、體積小、光路短、重量輕、易於批量生產等特點，在微小光學、集成光學、光通訊中具有廣泛的的應用前景。
  11. Polymer gradient refrective index ( grin ) micro - sphere - lens are a new - type optical element of very simple geometrical shape, whose optical function is mainly achieved by the inhomogeneous reflective index distribution of the medium

    梯度折射率（ gradientrefractiveindex ， grin ）微球透鏡是一類具有極簡單幾何形狀的新型光學器件，主要依靠介質內特殊的非均勻折射率分佈實現其各種光學功能。
  12. 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。
  13. The inversion results indicate the following phenomena : the lithosphere density beneath north china area is extremely inhomogeneous, which is the reflection of the feature of violent tectonic movement ; the density distribution is coherent with tectonic ; the density is different in different tectonic units ; there are low density regions in the crust ; the strong earthquakes in north china region mainly occur at this depth

    反演結果表明：華北地區巖石圈密度極不均勻，反映了區內強烈的構造活動特徵；層內密度分佈與大地構造有明顯的相關性，不同的構造單元存在著密度差異，斷裂帶表現為密度異常梯級帶；殼內存在著低密度層，華北地區地震的震源深度主要發生在這一深度上，可能與之相關。
分享友人
分享到 Line

分享到臉書