邊界波 的英文怎麼說

中文拼音 [biānjièbō]
邊界波 英文
boundary surface
  • 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...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. Boundary element method analysis of discontinuities in a dielectric - filled rectangular waveguide with air posts

    矩形波導填充帶有空氣柱介質不連續性的邊界元法分析
  2. Unique existence and blowup characteristics of global solution for initial boundary value of a class of nonlinear wave equation of fourth order

    一類具有非線性邊界阻尼和源項的非線性波動方程的解的漸近性
  3. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎，利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播，採用了顯式差分方法（中心差分法和newmark常平均加速度法結合）和透射邊界，通過比較利用幾種差分格式求解的加速度結果，發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用，分別編制了體波（ p波或sv波） 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  4. Stability of travelling waves for non - convex system of one - dimensional viscoelastic materials with boundary effect

    具邊界效應一維粘彈性物質的非凸方程組行波解的穩定性
  5. Summarize the common image pre - processing methods and point out their merits and faults. discuss the boundary effect of gaussian low - pass filtering ( glpf ). to improve it, the zero - order gaussian filtering for an open profile ( gfo ) is used

    討論了高斯低通濾波的邊界效應，利用零階開環高斯濾波演算法，對高斯低通濾波進行了改進，使濾波圖像在圖像大小不改變的情況下，邊緣處的濾波效果得到明顯的改善。
  6. Actual humidity measurements in the boundary layers have been made with a microwave refractometer.

    實際上已經用微波折射儀測定了邊界層中的濕度。
  7. With the fourier series technique, the disturbance is discomposed into predominant mode and high frequency harmonics. the nonlinear stability of three - dimensional disturbances for the blasius boundary layers is studied

    藉助fourier級數的方法將擾動波分解為基本模態和高頻模態，研究了三維擾動的非線性邊界層穩定性問題。
  8. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階湍封閉混合層模式，根據參數化方法對波浪破碎導致的能量耗散率進行了估計，通過改變湍動能方程的上邊界條件引入波浪破碎對湍動能生成的影響，計算了不同風應力強迫下的混合層流場結構和湍能量收支（下述給出的結果是取風速為20m s得到的） 。
  9. Using the way combining the mathematic morphology top - hat and gauss matched filtering can effectively reduce the influence of the inherent fovea and the marginal noise brought forth by the retinal camera caliber in retinal image and increase the precision of retinal image segmentation and feature point extraction

    文中提出了採用灰度數學形態學中的top - hat變換和高斯匹配濾波相結合的方法，用來有效的降低視網膜熒光圖像中固有的小窩現象及眼底照相機的口徑所引起的視網膜圖像邊界像素噪聲，極大的提高了圖像分割及特徵提取的精度。
  10. The regimes of turbulence include homogeneous flows in two and three dimensions, geostrophic motions, shear flows, convection, boundary layers, stably stratified flows, and internal waves

    擾流的形式包括二維和三維的均勻流動、因地球自轉而引起的運動、切向流動、對流、邊界層流、穩定層流和內部波動。
  11. The experts in engineering, especially in engineering expect that the compact support wavelets are real, orthogonal and symmetric. in fact, no such a wavelet, except the wavelet haar, is found

    工程界使用的小波一般而言是實值的緊支正交對稱或反對稱的，這有很多好處，尤其在數字圖像的邊界處理中。
  12. A two - dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks : parallel to the surface, 450 oblique angle to the surface, and quarter - circle

    摘要建立了無限長板的具有吸收邊界的二維平面應變有限元模型，在研究了脈沖超聲波在無限長板中傳播的基礎上，對板中平行於表面的裂紋、與表面成45的斜裂紋和四分之一圓周弧形裂紋三種情況的脈沖超聲波散射進行了重點研究。
  13. However, across the border the shi'ite kingdom of persia under abbas the great was quite prepared to ally with european states against the ottomans.

    然而，在邊界那邊阿撥斯大王統下的波斯什葉派王國，已完全準備好與歐洲國家聯合反對奧斯曼人。
  14. Recently, a spiritual organization invited the supreme master ching hai international association in poland to join an exhibition called " spirit and health " which was held for two days in poznan, east of warsaw

    最近，有個靈修團體邀請清海無上師世界會波蘭分會參加位於華沙東邊的波茲納城所舉行為期兩天之靈修與健康的展覽。
  15. Thirdly, phase retrieval by use of gerchberg - saxton ( gs ) algorithm based algorithm and phase retrieval by use of a green ’ s function under neumann boundary conditions is applied to dgwfs. the phase retrieval of combinations of zernike is simulated in computer

    第三章分別對基於gesrchberg - saxton法（ gs法）的迭代法和neumann邊界條件的green函數法的波前恢復進行了計算機模擬，並給出了具體程序框圖。
  16. Ukraine and poland to adopt more open border crossing policy as soon as poland becomes schengen member

    一旦波蘭變成申根會員國，烏克蘭和波蘭將採取更開放的邊界政策。
  17. The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes

    本文就是在此背景下，利用金屬波導和單軸晶體的一些特性，結合麥克斯韋方程組和波導的邊界條件，從三種不同的情況研究了光在對稱平面單軸晶體金屬波導（波導層是單軸晶體，兩個波導界面均為金屬）內的傳輸特性，其主要貢獻為，首次解析地得到了這種波導結構下模式場的精確解，並發現了一些有用的特性： （ 1 ）模式場的性質因單軸晶體的性質不同而異； （ 2 ）當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時，波導中傳輸te波和tm波，只不過其主模因單軸晶體的性質不同而異，當波導層介質為負單軸晶體時，波導主模是te波主模，而波導層介質為正單軸晶體時波導主模是tm波主模。 （ 3 ）當單軸晶體光軸位於波導面內時，對于正單軸晶體，波導的主模是橫電波te _ 0模，任何頻率的光波均可激勵該模式；當光波波長滿足一定條件時，波導內傳輸單模，否則，將激勵起高階模式，高階模即匪te波，也匪tm波，而是兩者耦合而成的混合模。
  18. Alternatively, one may utilize the wave equation and appropriate boundary conditions to yield a specific solution.

    另外，我們也可以利用波動方程和適當的邊界條件以得出一個特解。
  19. 3, on the base of the traditional spatial filtering, the author present, a new despeckle algorithm, that make use of iterated processing and correlated neighbourhood model, iterated filtering method of the sar image combining the correlated neighbourhood model with maximum a posteriori filter. first, a series of templates refecting direction information are established and every template is present for a kind of neighbour structure. then on the basis of sar images statistical property, the maximum a posteriori estimate of the real intensity under observation image values is got by bayes formulatio - n

    3 、針對傳統空間濾波器的不足，引入迭代處理和相關鄰域模型的概念，提出了基於相關鄰域模型的最大后驗迭代濾波。該演算法引用一系列反映局部邊界特徵的鄰域模型，以描述圖像的細節。引入強度的先驗概率分佈模型，利用bayes方法，對各個結構進行實際強度的最大后驗估計。
  20. A i med at the badu ( k343 ) i arge seale i andslide in the nankun railway, geophysical exploration techniques such as seismic reflection of high resolution and geological radar are appi ied to detect the geologic characteristics of the landslide mass including 3d - conformation, perimeter, geometric parameters, si ippage pattern and distribution of displacement field in this dissertation. besides, acoustic method is used for detection of the former anti - slide piles and potency losing causations of the piles are analyzed and the sound geological conditions for upgrade of the piles are ascertained by the above investigations

    本文針對南昆鐵路八渡（ k343 ）大型滑坡，運用高解析度反射地震、地質雷達等地球物理探測技術對滑坡體地質進行了詳細的勘測，揭示了八渡滑坡體的空間形態、邊界與幾何參數、滑動方式以及位移場分佈特徵；同時，利用聲波探測對原抗滑樁進行了檢測，分析了失效原因，並查清了擬建抗滑樁地段的地質條件。
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