邊界層吸收 的英文怎麼說

中文拼音 [biānjiècéngxīshōu]
邊界層吸收 英文
boundary layer suction
  • 邊 : 邊Ⅰ名詞1 （幾何圖形上夾成角的直線或圍成多邊形的線段） side; section 2 （邊緣） edge; margin; oute...
  • 界 : 名詞1 （相交的地方; 劃分的界限） boundary 2 （一定的范圍） scope; extent 3 （按職業、工作或性別等...
  • 層 : i 量詞1 （用於重疊、積累的東西 如樓層、階層、地層） storey; tier; stratum 2 （用於可以分項分步的...
  • 吸 : 動詞1 （把液體、氣體等引入體內） inhale; breathe in; draw 2 （吸收） absorb; suck up 3 （吸引） a...
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. This technique combines the edge - based finite - element method with physical optics ( po ) and physical theory of diffraction ( ptd ). the hybrid technique is applied to compute the scattering fields from the electrically large bodies with cracks and cavities on their surfaces. it is also used to analyze the scattering characteristics of microstrip antennas residing in a cavity mounted on metal objects with finite sizes

    本文採用edge - basedfem為基本方法，結合物理光學法（ po ） 、物理繞射理論（ ptd ） 、邊界積分方程（ bi ） 、區域分解技術（ ddm ）和完全匹配層（ pml ）吸收邊界條件等求解方法構成的混合方法，對電磁散射和輻射問題進行了研究，主要包括以下內容：提出了一種edge - basedfem與物理光學方法和物理繞射理論相結合的混合方法? fem po - ptd方法，並將該混合方法應用於帶有腔體或槽縫的電大尺寸導體目標的電磁散射特性分析和位於有限導體目標上的背腔式微帶貼片天線的電磁散射特性分析。
  2. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收邊界條件，我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁（光子）晶體貼片天線的性能進行了研究，結果證明加了這種新的電磁晶體覆層結構以後，天線的波束收攏很多，並且向前輻射的增益大大提高，與普通天線相比，天線的e面和h面方向圖上向前輻射的增益均提高了約6db ，另外，該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ，與該物理尺寸天線的方向性系數的理論極限值（ 11 . 9db ）相差0 . 4db ，該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ，比qiu等人設計的電磁晶體天線的相應差值減少了約1
  3. The radiation problems of microstrip antennas residing in a cavity are analyzed by the edge - based fem with perfectly matched layer ( pml ) absorbing boundary condition ( abc )

    將edge七asedfem與完全匹配層吸收邊界條件相結合，分析了背腔式微帶天線和背腔式分形微帶天線的電磁輻射特性。
  4. At last, taking advantage of the finite differential time domain method and it ' s perfect match layer absorbcfacient border, we got the energy distribution in a typical micro - disk laser and simulated the radiation between q value and the radius of the micro - disk

    最後運用電磁場時域有限差分法（ fdtd ） ，採用具有很好吸收效果的完全匹配層吸收邊界，研究了典型微盤激光器的能量分佈以及微盤的q值隨微盤半徑尺寸的變化。
  5. As one important sub - algorithm of bor fdtd, perfect matched layer absorbing boundary conditions ( pml abcs ) algorithm with split field components is presented for the first time, which greatly simplified computational process

    作為borfdtd中的一個最重要的子演算法，首次提出了非分劈場量的完全匹配層吸收邊界條件（ pmlabcs ） ，大大簡化了計算過程。
  6. Study of absorbing boundary condition by perfectly matched layer

    完全匹配層吸收邊界條件的研究
  7. In the following chapter we elaborate two kinds of abc : the perfectly matched layer ( pml ) and the mur ' s abc, explaining their principles and the methods to realize them in the program

    接下來的一章我們詳細闡述了本軟體採用的兩種吸收邊界： gedney完全匹配層和mur二階，說明它們的工作原理及在程序中的實現方法。
  8. Aiming at efficient analyses of electromagnetic characteristics of electrically large complex cavities, some hybrid techniques are developed based on eb - fem, including ipo / fem, extended ipo, improved ipo / fem, ddm / fem - bie, ddm / fem - po - ptd, fem / ibc, and fem / pml. the following contributions have been made in this dissertation : a novel hybrid approach is proposed in which iterative physical optics ( ipo ) subdomain - splicing technique is combined with eb - fem, the mathematical model of the proposed ipo / fem is established by some approximate methods

    本文以eb - fem為基礎，以電大尺寸復雜腔體的電磁特性為分析對象，對eb - fem與迭代物理光學法（ ipo ） 、區域分解法（ ddm ） 、阻抗邊界條件（ ibc ） 、完全匹配層（ pml ）和mur吸收邊界條件的結合演算法以及具有非完純導體邊界的ipo理論模型進行了研究。
分享友人
分享到 Line

分享到臉書