散射積分 的英文怎麼說

中文拼音 [sǎnshèfēn]
散射積分 英文
integral scattering
  • : 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
  • : 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) ...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
  • 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
  1. The method of crack - division is used to make radial cracks at the edge of cavity. a series of integral equations for determining the dsif at tips of anti - plane crack are set up in terms of the green ' s function

    按「契合」的方式和採用裂紋切割技術構造出孔邊徑向界面裂紋對sh波的模型,利用green函數建立直接求解m型裂紋尖端動應力強度因子的定解方程組。
  2. Abstract : a new method for determining proximity parameters, and in electron - beam lithography is introduced on the assumption that the point exposure spread function is composed of two gaussians. a single line is used as test pattern to determine proximity effect parameters and the normalization approach is adopted in experimental data transaction in order to eliminate the need of measuring exposure clearing dose of the resist. furthermore, the parameters acquired by this method are successfully used for proximity effect correction in electron - beam lithography on the same experimental conditions

    文摘:在電子能量沉為雙高斯佈的前提下,提出了一種提取電子束光刻中電子參數,和的新方法.該方法使用單線條作為測試圖形.為了避免測定光刻膠的顯影閾值,在實驗數據處理中使用歸一化方法.此外,用此方法提取的電子參數被成功地用於相同實驗條件下的電子束臨近效應校正
  3. The aa interaction which we take is in good agreement with the experimental ground binding energy of t he. the a. a potentials reproducing the experimental value of ba ( a / fe ) are obtained by folding the density distribution of the a particle and ajv local potentials which give a very good fit to the a - proton scattering data

    ) ?勢是通過選取( ? ) -質子的實驗值數據較好的( ? ) -核子定域勢、以4he核的密度佈作折疊得到; -勢符合低能-實驗及sbe的基態共振能量。
  4. To the influence of the plateau terrain, the impact of the elevation and the roughness of terrain to every energy component out and incoming are study, and basing the soil spectrum model proposed above, a new radiative transfer model of terrain area was put forwarded in which the soil water content, lai, terrain roughness and elevation were considered synchronously, and incoming scatter light was integral with the solid angle of semi - globe space defined by the slope of the pixel, so scattering lights of terrain and the sky are properly considered, but the operation is still within the acceptable range

    地形與反率的關系是本文研究的一個重點。本文對崎嶇山地象元的各入光和反(量進行了深入析,在所提出的濕潤土壤光譜模型和植被冠層模型的基礎之上進一步提出了新的適合青藏高原的山地輻傳輸模型。該模型同時考慮了土壤含水量、植被覆蓋( lai ) 、地形起伏和海拔高度的影響,並以象元坡面定義的半球空間立體角對環境入光進行,使周圍地形和天空光均得到適當考慮,計算量又在可接受范圍內。
  5. 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

    全文別研究標量有限元邊界求解二維腔體電磁與耦合的計算方法,矢量有限元邊界求解三維腔體電磁與耦合的計算方法,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。
  6. Based on the generalized huygens - fresnel diffraction integral and in consideration of the effect introduced by astigmatism, the transformation properties of gaussian beams passing an astigmatic lens are studied analytically, the beam quality of astigmatic gaussian beams is analyzed in terms of the beam propagation factor ( m2 - factor ) and power in the bucket ( pib ), and illustrated with numerical examples

    基於廣義惠更斯-菲涅爾衍,並考慮了像的影響,對高斯光束通過像透鏡后的傳輸特性作了解析研究,以光束傳輸因子和桶中功率為參數析了像高斯光束的光束質量,並以數值計算例加以說明。
  7. The research work presented in this dissertation provides an efficient approach to analyze the dielectric objects and metal - nonmetal composite objects ’ transient electromagnetic scattering phenomena, as well as a solid foundation for the further development in this subject

    本文的工作為析介質體、金屬非金屬組合目標時域電磁現象提供了有效的方法途徑,也為運用時域方程求解結構更為復雜、尺寸更為電大的金屬非金屬組合目標的研究打下了堅實的基礎。
  8. Due to the importance of the accuracy of the time - domain impedance matrix elements, the techniques by which treating of the singular integrals and near singular integrals arose from the tdie - mom solving process are analyzed in detail, and these techniques are utilized to solve the tdie. in the end, using triangle patches discretizing arbitrarily 3 - d dielectric objects and metal - nonmetal composite objects surface and utilizing spatial rwg and temporal triangular bases, the tdie are solved by mot algorithm

    最後,別對三維介質目標、金屬非金屬組合目標體表面用三角貼片離,並在空間上採用rwg基函數,在時間上採用三角型時間基函數、利用阻抗元素的精確演算法計算出阻抗矩陣,再運用mot法別求解了介質體目標,金屬非金屬組合目標的時域方程,並析了金屬非金屬組合目標界面上的等效電流與等效磁流的特性。
  9. The photograph of sem showed that its surface have homogenously coated with nickel, although the hollow glass beads were crashed by agitation and heating. after pretreatment and nickel plating, the dispersity of mica powders evidently improved and the infrared emissivity decreased from 0. 85 to 0. 43, and has certain wave absorbability of radar

    對雲母的化學鍍鎳工藝研究中,發現經過預處理后雲母表面獲得了鎳層,通過掃描電鏡析,鍍鎳后雲母的性提高,表面狀態發生了較大的變化,法向率顯著降低,由0 . 85降低為0 . 43 。
  10. According to the theory of light transmission, we derived the expression of rotation angle as a function of the dielectric constant conductivity of er fluid, and ( the angle between the electric vector of linearly polarized light and electric field ) from maxwell ' s equations and fresnel reflection, on the condition of several appropriate approximations and assumptions

    進而導出了非均相結構電流變液在外電場與光場交互作用下旋光角與(入線偏振光振動方向與外加電場方向間夾角)及參數(為外加電場e 、顆粒介電常數、體數、絕緣油介電常數、位置矢量( ? )等量的函數)的西北工業大學應用物理系碩士學位論文摘要理論表達式。
  11. First, in virtual of identification of flaws is a typical of in - verse problems, proceeding from time - harmonic electromagnetic maxwell ' s equa - tion and helmholtz equation, the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given. second, the uniqueness and existence of inverse scattering problems and the theory of ill - posed integral equation are briefly looked back upon. finally, indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects, meanwhile, the proof of possibility for near - field measurements and nu - merical simulation are given

    由於缺陷的識別是一類典型的反問題,因而首先從時諧電磁maxwell方程和helmholz方程出發,具體地闡述了求解正問題的有關方法,包括各種(夾雜)邊界條件下的數值解法,就解的存在性唯一性給予了肯定的回答;隨后對逆問題的理論作了簡短的回顧,包括解的唯一性以及非線性不適定方程的處理等;然後對均勻介質和非均勻介質的逆問題建立了在各種邊界條件下的邊界識別的指示函數方法,鑒于近場數據獲得的重要性,對近場測試時邊界識別的方法給予了相應的證明,並且實現了數值模擬。
  12. Since in the few - body glauber theory the core and valence nucleons of a halo nucleus are treated separately, the obtained expressions of the reaction cross section, the nucleon removal cross section and the momentum distribution are all involved in multidimensional integrations

    由於在少體近似glauber模型中暈核被成核芯和暈核子來處理,所以得到的暈中國原子能科學研究院博士學位論文核反應截面、核子逃逸截面以及動量佈的計算公式均包含高重
  13. 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雪區的平均mueller矩陣,並對後向功率進行了析。
  14. Then based on kirchhoff approximation theory, the formula of the coherent and incoherent scattering intensity of plane wave from two dimensional dielectric normally distributed rough surface are derived, and the scattering intensity of a planar, rough surface of unit area

    然後從粗糙面kirchhoff標量近似理論出發,得到了平面波對高斯佈的二維隨機粗糙面的相干和非相干強度表達式,並給出了單位面粗糙面非相干的表達式。
  15. Next, integral again from the sun - rise time to down, it is the one whole day diffuse radiation amount

    最後從日出到日沒時間段進行,得到日總量。
  16. Then integral the whole visible vault of heaven to get the amount of diffuse radiation at one moment

    再對「可見」天穹,得到瞬時來自「可見」天穹的總量。
  17. The condition, under which the paraxial approximation is valid, is given. 4. starting from the rayleigh diffraction integral, the propagation equation of ultrashort pulsed beams in dispersive media has been derived without making the paraxial approximation and slowly varying envelope approximation ( svea ), which allows for relatively large angles

    從瑞利衍公式出發,未作慢變振幅近似和近軸近似的條件下,導出了等衍長度超短脈沖高斯光束在色介質中非近軸傳輸方程,可用來處理色介質較大角度的傳輸。
  18. Diagnostic value of integral of dorsal acoustic scattering for acute viral myocarditis in children

    背向散射積分在小兒急性病毒性心肌炎診斷的中價值
  19. The value of the ultrasonic integrated backscatter in diagnosis of children with acute viral myocarditis

    背向散射積分在小兒急性病毒性心肌炎中的診斷價值
  20. 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

    對于鏡面反採用物理光學法計算其貢獻,結合基於面元的目標模型的表示,採用離形式,將面電流化簡為線,簡化計算復雜度;對于邊緣繞,運用增量長度繞系數理論計算目標邊緣繞場;在多次反中,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析考慮多次場。
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