散射場 的英文怎麼說

中文拼音 [sǎnshèchǎng]
散射場 英文
fringe field
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 場 : 場Ⅰ名詞1 （平坦的空地 多用來翻曬糧食 碾軋穀物） a level open space; threshing ground 2 [方言] （...
  • 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
  1. The holographic process adjusts itself automatically so as to duplicate r or a independently for the exact form of the irregularly scattered field a'.

    全息過程本身自動地進行調節，以此來為不規則散射場A'的精確形狀分別復顯出R或A。
  2. Abstract : according to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow - slot on the broadwall of a sectoral waveguide, the moment method is used to calculate the magnetic current coefficient and distribution. then the scattering field, the scattering parameter and the equivalent impedance are obtained. leting only the te11 dominant mode propagates in the waveguide, the scattering parameters and the normalized equivalent series impedance in the x - band are computed. the basis disigned the slot antenna and the slot array is offered

    文摘:根據縫隙口面切向場的連續條件，採用解析數值法矩量法，對扇面波導寬壁上窄的斜縫進行了計算，解得了磁流系數及其分佈，並得到散射場、等效散射參量及等效阻抗等重要參數.假定波導中僅有te11主模傳輸，在x波段計算了散射參量和歸一化等效串聯阻抗，給出計算結果，為縫隙天線和縫隙陣列設計提供了依據
  3. Then, the kirchhoff scalar diffraction theory is used to derive the scatter field of the edo grating and the simulation model is presented

    並利用基爾霍夫標量衍射理論導出了edg光柵散射場的公式，建立了對蝕刻衍射光柵的模擬模型。
  4. From the fourier space k corresponding to the scattering field of the object, an imaging evaluation mechanism based on the spatial spectral coverage is proposed

    摘要從物體散射場對應的傅里葉空間出發，提出基於空間譜域分佈的成像系統定性評價體系。
  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. Electromagnetic scattering calculating based on mrtd

    基於時域多分辨分析方法的散射場計算
  7. Analysis of finite array structure plays an important role in the design of array antenna and frequency selective surface

    有限陣列散射場的分析對于陣列天線的隱身設計和頻率選擇表面的設計具有重要作用。
  8. At last, the simulation and experiment results about the scattering by the buried objects show the method in paper is correct

    最後，通過地下目標散射場的理論結果和實驗結果說明了本文所採用方法的正確性。
  9. The principle of the method is illuminated by the numerical simulation of the scattering of caustic region in a two - dimensional concave antenna

    本文通過對二維凹面天線焦散區散射場的數值模擬詳細介紹了這一理論的基本思路。
  10. The holographic process adjusts itself automatically so as to duplicate r or a independently for the exact form of the irregularly scattered field a '

    全息過程本身自動地進行調節，以此來為不規則散射場a '的精確形狀分別復顯出r或a 。
  11. Simulations using numerically calculated scattering response based on three thin wire target demonstrate that the method proposed in this paper is surprier to the traditional e - pulse

    基於三種細導線目標數值計算散射場的模擬實驗表明，相比于傳統e脈沖能量識別數，本文方法取得了很好的識別效果。
  12. Meanwhile the technology for separating scattering field from total field is improved in this paper, which could eliminate the calculation error and get precise scattering field

    論文還改進了時域有限差分方法中的總場散射場的分離技術，消除了原來因為分離帶來的計算誤差，提高了散射計算的精度。
  13. 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。
  14. The algorithm only needs to solve an ill - posed linear system and a well - posed minimization problem and requires only the knowledge of the near field measurements of the scattered fields due to point source fields at a finite number of incidence and observation points distributed over a limited aperture

    該演算法只需求解一個不適定的線性系和一個適定的非線性最小化問題，而且只需要點源入射場的散射場在某個有限孔徑中若干有限個入射和測量點上的近場測量信息。
  15. As one part of the work, the induced current on perfect conductor surface is computed with mom method and graphed by origin. the factors, such as choice of basis function and sliced mounts of one cell, which affect solution accuracy are summarized. all of these provide a good basis for the latter computation of array scattering field

    其中第一部分工作從電場積分方程出發，利用矩量法計算了理想導體貼片上的感應電流，進而得到平面陣列和曲面陣列的散射場，研究了陣列單元尺寸、排布形式和入射波的角度，以及曲面陣列的陣面形狀等因素對陣列散射場的影響規律。
  16. Incremental length diffraction coefficients ( ildc ) is adopted to calculate the contribution of edge diffraction. in order to improve the accuracy of calculation, multi - scattering is discussed, based on the two former contributions and ray - tracing method. geometrical optics ( go ) and physical optics ( po ) are used to calculate the multi - reflection between facets and facets

    對于鏡面反射採用物理光學法計算其散射貢獻，結合基於面元的目標模型的表示，採用離散的積分形式，將面電流積分化簡為線積分，簡化計算復雜度；對于邊緣繞射，運用增量長度繞射系數理論計算目標邊緣繞射場；在多次反射中，則以光線跟蹤方法為基礎，採用幾何光學、物理光學相結合的方法分析考慮多次散射場。
  17. A nonlinear optimization algorithm was proposed for solving the inverse problem of reconstructing the shape of a three dimensional obstacle from the information of the near - field measurements for point source fields

    摘要研究了從點源激勵散射場的近場信息來再現三維障礙物形狀的反問題，提出了一種非線性最優化求解方法。
  18. With the plane wave representation of the green ' s function, the second - order scattered coefficients are divided into two components related to the coincidental waves and the anti - coincidental waves, which are dependent on the relationship between the single scattered field and its conjugate

    通過將格林函數做平面波展開的方法，二階散射系數分解成與同向波和反向波有關的兩部分，同向和反向分別是按單次散射場和其共軛場的耦合方式而劃分的兩種不同情況。
  19. In the end, the theory of fractal geometry is applied to the waves propagation and scattering in atmospheric turbulence, and the first and second order moments of the scattering fields are derived by considering the effects of the fractal atmospheric turbulence. the normalized back - scattering radar cross section of a perfectly conducting disk is calculated. the influence of fractal dimension of atmospheric turbulence on the radar cross section is analyzed

    本文最後將分形理論引入到湍流大氣中的波傳播和散射領域，導出了分形大氣湍流中光滑導體目標散射場的一階矩和二階矩，以光滑導體圓盤為例研究了湍流大氣的分維對導體目標後向散射截面的影響。
  20. This thesis in theory deals with electromagnetic wave scattering by multilayered confocal and non - confocal spheroidal particles illuminated by gaussian beams, in which the main contributions are as follows : 1. in the case of multilayered confocal spheroidal particles, the scattered fields as well as the fields within each layer are obtained in terms of infinite series with spheroidal vector wave functions by using an appropriate expansion of the incident gaussian beam. by virtue of the boundary conditions, we write the set of equations for determining the unknown expansion coefficients and then solve it

    本文從理論上研究了多層共焦和非共焦橢球粒子對高斯波束的散射，主要成果如下： 1 .我們研究了多層共焦橢球粒子對高斯波束的散射，把入射高斯光，散射場，各層橢球內的電場和磁場用適當的橢球矢量波函數展開，應用電磁場邊界條件，寫出確定各展開系數的方程組，求出散射場系數，進而求出散射場及散射截面。
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