scattering matrix 中文意思是什麼

scattering matrix 解釋
散布矩陣
  • 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
  • matrix : n (pl matrices 或matrixes)1 【解剖學】子宮;母體;發源地,策源地,搖籃;【生物學】襯質細胞;間...
  1. Polarimetric synthetic aperture radar ( polsar ) investigates the transverse vectorial nature of plane em waves and provides the complex scattering matrix of a scatterer. scattering polarimetry is sensitive to the shape, orientation, and dielectric properties of scatters

    極化合成孔徑雷達( polsar )研究電磁波的矢量特徵,通過測量和分析目標的極化散射特性,獲取目標的介電常數、物理特性、幾何形狀和取向等方面的大量信息。
  2. Based on all the research works mentioned above, a new technique to compute the caliber admittance matrix has been derived and applied for the problem of the scattering by electrically body with opening cavities

    在計算實例中,不同形狀的的腔體以及內部含有介質層的腔體對電磁散射的貢獻得到了比較和分析。在上述研究的基礎上,本文首次提出了用有限元方法計算腔體內部口徑導納矩陣。
  3. The dissertation has been divided into three part : the method of scalar fem for calculating the scattering and coupling character of 2d cavities ; the high efficient algorithm of vector fem for the scattering and coupling character of 3d cavities ; the method of calculate caliber admittance matrix for high efficient algorithm to compute the scattering and coupling character body with open cavities

    全文分別研究標量有限元邊界積分求解二維腔體電磁散射與耦合的計算方法,矢量有限元邊界積分求解三維腔體電磁散射與耦合的計算方法,同時針對含腔目標的高效求解問題提出了口徑導納矩陣的新的計算方法,提高了計算效率。
  4. In the end, the impedance matrix of any three - dimensional conducting object can be portioned into sub - matrices by the projection iterative method ( pim ), the surface current and rcs can be calculated with convergent iterations, the wide - band electromagnetic scattering characteristics of three - dimensional conducting objects are also analyzed with the asymptotic waveform evaluation technique

    最後應用投影迭代方法( pim )將三維導體目標的阻抗矩陣剖分成小矩陣,通過迭代計算出表面電流和雷達散射截面,並與漸近波形估計技術結合分析了三維導體目標的寬帶電磁散射特性。
  5. In the first part, the basic knowledge of particle scattering in meteorology and physics was introduced. the particles to be discussed include aerosol particles, fog droplets and raindrops and the em wave band in the discussion is near - infrared. in the second part, the mie theory was briefly reviewed and was applied to investigate the scattering characteristics of spherical atmospheric particles, the result shows that in the visibility measurement meter using forward - scattering method, when the working wavelegth is between 0. 8 m ~ 2 m, the scattering angle is between 25 ~ 40, the distinguishability and the relative scattering intensity would be better than those under other conditions. in the third part, the superellipsoid was used to describe a wide range of shapes such as spheres. ellipsoids and cylinders. an improved t - matrix method which can be used to calculate arbitry shaped particle ' s scattering field was introduced, and the scattering characteristics of non - spherical atmospheric particles was investigated with this method

    計算結果表明,從相對散射強度、同一方向上不同粒子散射的可區分程度來看,在散射式能見度探測儀器中,工作波長介於0 . 86 m 2 m ,探測角度選取前向25度40度時,探測的結果將會是比較理想的。第三部分中,使用超橢球方程來統一描述各種非球形粒子的形狀,然後使用t矩陣方法計算了一些形狀的非球形粒子的近紅外散射特性。另外,在本文中還針對球形粒子的散射場提供了一種三維可視化方法,使對散射場強度的空間分佈的理解更加簡單,直觀。
  6. The scattering matrixes and the power of the definite coated cylinder are calculated and the mueller matrix is obtained by means of statistics

    用統計方法計算出了單位體積雪區的平均mueller散射矩陣,並對後向散射功率進行了分析。
  7. In order to obtain the mueller matrix in rain area, the scattering character of one raindrop is studied, and the mueller matrix is then obtained by means of statistics. the power of the reflected waves from rain is studied according to the polarization states, and it is a matter of great significance

    本文從單個雨滴的散射入手,用統計的方法結合雨滴的weibull尺寸分佈,計算出雨區的散射矩陣,並對雨區的後向散射功率密度從極化的角度做了分析,這對于分析雷達對雨雜波的抑制有指導意義。
  8. Analysis of scattering matrix of coupling system of near - field antenna

    天線近場耦合系統散射矩陣的分析
  9. Discussion on the scattering matrix parameters of the optical fiber couplers

    光纖耦合器散射矩陣參數的討論
  10. Another multimode network representation : generalized scattering matrix formulation is also introduced

    同時也對多模網路的另一種表示方法? ?廣義散射矩陣作了介紹。
  11. Main contents include man - made targets extraction based on scattering matrix, man - made targets extraction based on covariance matrix [ c ] and the extraction based on geometric feature. first, this dissertation provides an overview of the polsar theory

    主要內容包括:基於散射矩陣的polsar圖像目標提取演算法,基於協方差矩陣polsar的目標提取演算法和基於幾何特徵的人造目標提取演算法等方面。
  12. 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。
  13. For high energy proton - proton multiple scattering, we get the scattering matrix element for singe gluon exchange. from these calculations, we find that both the predictions fit the experimental data well

    由po ; neron交換理論及張轅膠于球交換理論的預言均獲得了利實驗一致的結用,貝此該結果支持了po
  14. In order to make the theoretical calculation feasible, we first obtain an analytical formalism of partial integrals with respect to the coordinates of the core and target in the phase - shift functions and their cross terms of scattering matrix elements, if the density distributions of the core and target are fitted to a few gaussian forms. then the rest multidimensional integrals with respect to the impact parameter and coordinates of halo nucleons are performed by a monte carlo method

    為使理論計算變得可行,我們在核芯和靶核密度採用多個高斯分佈擬合的情況下,解析求解了各個散射矩陣元中的光學相移函數及交叉項含有的與暈核核芯、靶核密度分佈有關的積分;同時對與碰撞參數和暈核子坐標有關的積分(八重以上,並且積分維數隨暈核子數很快增加)採用蒙特卡洛方法計算。
  15. We studied the multimode coupling matrix of the key waveguide discontinuity, waveguide step, with the modal fields expansions in waveguides. and obtained the relations with the multimode coupling matrix, the generalized admittance matrices and the generalized scattering matrices. we have compiled some subroutines in fortran 95 programming language to compute the multimode coupling matrix, admittance matrices, scattering matrices and their operates with each other

    並利用fortran95程序設計語言編寫了用來計算波導階梯的多模耦合矩陣、多模耦合矩陣與廣義導納矩陣的級聯、廣義導納矩陣之間的級聯以及廣義導納矩陣和廣義散射矩陣之間的互相換算等的矩形波導平面不連續性模式分析的子程序。
  16. Using time - dependent mode matched scattering matrix method and based on the theory of the interaction between atom and electromagnetic field, we predict the effect that the longitudinal transport of electron is partly blocked by the lateral emitting electromagnetic wave and give detail analysis of the mechanism and the feature of the effect

    第三章我們以光和原子相互作用理論為基礎,用含時模式匹配散射矩陣方法研究了直量子線在太赫茲電磁場部分輻照下的電子輸運性質,並得出橫向電磁輻射對電子縱向運動的阻塞效應。
  17. A polarimetric sar combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, and is thus playing a more and more important role in gathering the detailed information regarding the geometric and electric structures of surfaces and covers for application in both civil and military areas

    極化合成孔徑雷達( sar )具有可以測量場景中每個分辨單元的全極化散射矩陣以及產生二維高分辨力圖像的兩大優點,因此無論在民用和軍用的採集地表或地面覆蓋物的物理和電磁結構信息的應用中起著越來越重要的作用。
  18. The polarimetric sar is a new type imaging radar to measure polarimetric characteristic of radiant signals and combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, which greatly improve its ability to discern surface features. polarimetric sar is thus playing a more and more important role in research on remote sensing and application area

    極化合成孔徑雷達( polarimetricsar )是用來測量輻射信號極化特徵的新型成像雷達,具有能夠測量場景中每個分辨單元的全極化散射矩陣和產生二維高解析度圖像的兩大優點,大大提高了它對地物的識別能力,因此在遙感技術研究與應用領域中起著越來越重要的作用。
  19. 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。
  20. Because of its ability not only to produce two - dimensional high resolution images of the scene illuminated, but also to measure complete complex scattering matrix for each resolution cell, and to operate under all weather conditions and all the time, day and night, a polarimetric synthetic aperture radar ( sar ) is playing a more and more important role in gathering the detailed information regarding the geometric and electric structures of surfaces and covers of the earth

    極化合成孔徑雷達( sar )能夠通過照射場景,對場景進行二維(方位向和距離向)高分辨力成像,同時測量出每個分辨單元的復散射矩陣。由於極化合成孔徑雷達具行全天候和全氣候工作的能力,使得極化合成孔徑雷達在採集地表及其覆蓋物的物理(電結構)細節信息方面起著越來越重要的作用。
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