random scattering 中文意思是什麼

random scattering 解釋
無規散射
  • random : n 〈罕用語〉胡亂行為，偶然的[隨便的]行動[過程]。adj 1 任意的，胡亂的，隨便的；（話等）信口亂說的...
  • 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
  1. From the model study of the fractal random rough surface, we acquire one dimensional ? two dimensional fractal random rough surface model with fractal theory ; 2. the calculation of the scattering field of light ; the establishment of the scattering light ’ intensity model, and the number calculation of the intensity distribute ; 3. the study on the laser radar cross section of one - dimensional fractal rough surface target ; and the number calculation of the scattering intensity of two - dimensional fractal the rough surface target ; 4. through shadowing effect, we analysis light scattering characteristic of fractal rough surface

    本論文利用分形理論得到一維?二維分形隨機粗糙表面模型，研究光在一維?二維分形粗糙表面的光散射特性，主要從以下四個方面分析: 1 .自仿射分形隨機粗糙表面模型探討，採用分形理論得到一維?二維分形隨機粗糙表面模型; 2 .分形粗糙表面散射光場的計算和粗糙表面散射光強角分佈的模型建立和數值計算; 3 .一維分形粗糙表面目標的激光雷達後向散射截面lrcs研究和二維分形粗糙表面目標散射強度數值計算; 4 .引入遮蔽效應分析分形粗糙表面光散射特性。
  2. For the multiple scattering theory, the total scattered power from a random rough surface is contributed to, not only by single scattered waves, but also by those multiple scattered waves

    在多次散射理論中，隨機粗糙面的總散射功率不僅與單次散射波有關，而且還取決于多次散射波。
  3. The rain area is regarded as a random background medium, and the scattering field and backscattering matrix of the cylinder target in rain are gained. in the coherent case, the power of cylinder target in rain and air and their optimum polarization states are studied by the three - step method

    在研究雨中目標時，本文把雨區看成隨機的背景介質，利用波傳播理論、目標的邊界條件，得出介質圓柱在雨中的散射場、後向散射矩陣，並進行了相關計算。
  4. The main contents include polarimetric interferometric phase coherence optimization ( pipco ) ; random volume over ground ( rvog ) coherence scattering model and corresponding inversion model ; optimization of inversion procedure using ga

    主要內容包括:極化干涉相干最優理論，相干散射模型和反演模型以及基於遺傳演算法的參數反演過程。
  5. The extracted height - height correlation function and the random surface parameters obtained ever since conform with those obtained by the measurement of afm in chaper 3, based on the light scattering theory of kirchoff approximation, we propose the method for the extraction of surfaces parameters from the correlation functions of speckles intensity produced by light scattering in the region near the random surfaces

    我們以對三個高斯相關的隨機表面樣品的實驗測量為例，對該方法行了驗證。所測得的結果與用原子力顯微鏡測量的結果符合得很好。第三章根據基爾霍夫近似下的光散射理論，提出了從隨機表面附近衍射區內的散斑場相關函數中提取隨機表面參量的方法。
  6. In 6. 635, topics covered include : special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, green ' s functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, em waves in periodic structures : photonic crystals and negative refraction

    本課程所覆蓋的論題包括：狹義相對論、運動媒質的電動力學、色散媒質中的波、微帶集成電路、量子光學、遙感、輻射傳輸理論、粗糙表面上的散射、有效介電系數、隨機媒質、平面層狀媒質的格林函數、電磁學中的積分方程、矩量法、時域矩量法、周期結構中的電磁波：光子晶體和負折射率。
  7. This paper has studied the mean attenuation, scattering, and back scattering cross sections of groups of small rotating spheroids about characteristics of microwave scattering when their rotatory axes are oriented at random in any direction in 2d plane and 3d space respectively under the condition of normal distribution, and that those physical quantities are changed with different variance, expectation and wave lengths of incident electromagnetic wave

    本文研究旋轉軸方向分別在平面內和空間中隨機取向呈正態分佈時的小旋轉橢球粒子群的平均衰減截面、平均散射截面、平均後向散射截面等微波散射特徵，以及這些物理量隨軸向分佈期望、方差及入射電磁波波長的變化。
  8. Scattering simulation for inhomogeneous layered canopy and random targets beneath canopies by using the mueller matrix solution of the pulse radiative transfer jin yaqiu, chen fei

    極化脈沖回波mueller矩陣解數值模擬非均勻分層植被與其中隨機目標的散射[金亞秋，陳扉]
  9. Scattering simulation for inhomogeneous layered canopy and random targets beneath canopies by using the mueller matrix solution of the pulse radiative transfer ( jin yaqiu, chen fei )

    極化脈沖回波mueller矩陣解數值模擬非均勻分層植被與其中隨機目標的散射[金亞秋，陳扉]
  10. In chaper 1, we give a summary and an overall review for the descriptions and measurements of random surfaces, the light scattering theory and its applications in the characterization of random surfaces, and the near - field optics and the near - field speckles

    第一章對隨機表面的描述和標定方法、光散射輪廓特性及其重要性、近場光學和近場散射的意義和近場散斑的特性進行了綜述。
  11. The rough degree of the target surface is the important factor that influences the scattering characteristic of the target laser. the study of the rough surface scattering is very important to the identifies and characteristic distill of the space target. usually on the study of in the past rough surface scattering, the period function or random function are the mathematics model of the rough surfaces

    粗糙表面散射的研究對空間目標識別和特性提取具有非常重要的意義，在過去的粗糙表面散射研究中，通常採用特定的已知周期函數或隨機函數作為粗糙表面的數學模型，但在自然界中粗糙面既非純周期也非完全隨機的。
  12. The effects of heterogeneous anisotropic random fractured rocks with different autocorrelation length and different autocorrelation function were discussed. the results show that : l ) the scattering effects become weaker when the autocorrelation length becomes larger. 2 ) the exponential ellipsoidal random fractured rock has different scattering effects on waves in different coordinates direction, and 3 ). the gaussian random fractured rocks has the same

    通過模擬發現: 1 ）隨著自相關長度的增加，巖石的非均勻性對波的散射作用減弱; 2 ）指數橢圓型隨機裂縫巖石對彈性波在兩個坐標方向上造成的散射不同; 3 ） gaussian型隨機裂縫巖石對彈性波在兩個坐標方向上有相同散射作用。
  13. The investigation is very useful not only in further improving the sparse matrix canonical grid method for quickly analyzing electromagnetic scattering of complicated random scatterers, but also in improving the technology of remote sensing, investigating land mine detection and analyzing densely packed interconnects

    本文的研究進一步改進了smcg方法，使smcg方法的計算效率得到了提高，為快速分析各種復雜的隨機分佈目標的電磁散射問題奠定了基礎，為遙感技術的發展、電磁探礦的研究以及電路互聯封裝的分析提供了理論指導。
  14. Acoustics - sound scattering properties of surfaces - measurement of the random - incidence scattering coefficient in a reverberation room

    聲學.表面的聲音擴散特性.混響室中無規入射擴散系數的測量
  15. Different kinds of quantities such as the refractive index, the size parameter, etc., which affect the scattering matrix and the scattering intensity in fixed orientation and random orientation are discussed separately

    並針對兩種不同的應用（即固定方位及任意方位）散射特性受粒子的特徵參量的影響情況進行了討論。
  16. The reflective light filed distribution is studied in great detail with diffraction approach, which is based on the quasi - gaussian beam model of the light emitted from the multimode transmitting fiber and conclusions drawn by beckmann on the scattering light from random rough reflector

    引入了beckmann關于隨機粗糙表面光散射理論的相關研究結論，基於衍射分析法建立了準高斯光經過反射面后的反射光分佈模型。
  17. This method has been applied to analyze electromagnetic scattering from random rough surface, two - dimensional random dielectric cylinders, microstrip structures and densely packed interconnects

    目前這種方法已被應用於隨機粗糙面散射問題的分析、隨機分佈的二維介質柱的散射分析、微帶結構的分析、密集封裝的互聯分析等問題中。
  18. The theory and the method are validated by the simulational experiments, in which the scattering from random self - affme fractal surface are simulated and the speckle intensity correlation function are calculated

    我們通過模擬實驗，並以自仿射分形隨機表面附近散斑光強的相關函數進行數值計算為例，對該理論和方法進行了驗證。
  19. Then three schemes of the preconditioned sparse matrix canonical grid ( p - smcg ) method are presented and discussed. the sparse matrix canonical grid method is applied to analyze electromagnetic scattering from three - dimensional random dielectric scatterers in conjunction with the generalized minimal residual ( gmres ) method. in the end, these four schemes are applied to analyze electromagnetic scattering from three - dimensional random dielectric scatterers

    論文首先運用smcg方法對隨機分佈三維介質目標的電磁散射問題進行較為全面的分析和討論，然後討論了如何對smcg方法進行預處理，提出了預處理smcg方法的三種方案，接下來又討論了將smcg方法和廣義最小余數法（ gmres ）結合起來的方案，最後應用上面提出的四種方案對多個隨機分佈三維介質目標的電磁散射問題進行了分析。
  20. Significant progress in theoretical and experimental study on light scattering from random surfaces has acquired more attention during the years and stimulated wide applications of its fruits in modern military, remote sensing, radiation calibration and industrical on - line surface examination

    隨機粗糙面光散射的理論與實驗研究在近年來取得了一系列重要的進展，得到了人們越來越多的重視。它在現代軍事、遙感、輻射定標以及工業在線表面檢測等領域的應用日益廣泛。
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