reflection boundary 中文意思是什麼

reflection boundary 解釋
反射邊界
  • reflection : n 1 【物，計】反射；反射波[光，熱，音，色]。2 反映；反影，映像，（映在水等中的）影像；〈比喻〉學...
  • boundary : n 邊界，疆界，限界 （between）;（球場）邊線；界標；界限，范圍，分野。 aboundary dispute 邊界糾紛...
  1. By reflection we have added another boundary condition.

    通過鏡像法我們就得到了另一個邊界條件。
  2. According to their space position, the seismic features of shallow gas in this region can be divided into three groups : ( 1 ) features in the stratum : acoustic blanket, acoustic curtains, acoustic turbidity, irregular strong top reflection boundary, and phase pull - down in both flanks ; ( 2 ) features of the seabed : seabed pockmark and giant sunken pit ; ( 3 ) features in the seawater column : acoustic plumes, cloudy turbidity and point - line - type reflection

    該區的淺層氣地震特徵按空間位置分為3大類： （ 1 ）地層中的特徵：聲學空白、聲學幕、聲學擾動、不規則強反射頂界面、兩側相位下拉； （ 2 ）海底面的特徵：海底麻坑、大型塌陷坑； （ 3 ）海水層中的特徵：聲學羽流、雲狀擾動、點劃線反射。
  3. Combining the generating method of molecular reflective thermal velocities according to diffuse reflection model, an algorithm named as inverse temperature sampling ( its ) is developed, which enables to evaluate the molecular reflective characteristic temperature from the molecular incident energy and the boundary heat flux

    在此基礎上，通過結合壁面漫反射模型下分子反射速度的抽樣方法，發展了一種從邊界熱流求得與壁面碰撞分子的平均反射特徵溫度的逆溫度抽樣演算法。
  4. In the models, the time dependent parabolic equations, deduced from the mild slope equations with currents or not, are used as the governing equations. based on the general conditions for open and fixed natural boundaries with an arbitrary reflection coefficient and phase shift, the boundary conditions for the present models are treated. the alternative direction implicit method is used to solve the governing equations and the numerical schemes are unconditional stable

    在建立模型時，將原始的橢圓型緩坡方程的近似型式? ?依賴時間變化的拋物型方程，作為控制方程；從將開邊界條件、不同反射特性的固壁邊界條件相統一的表達式出發，對邊界條件進行處理；用adi法數值求解控制方程，格式無條件穩定；節省了計算機內存和計算量。
  5. Finite difference time - domain method is used to calculate the reflection for these probes and absorbing boundary condition is used to deal with the singularity in the axis of the coaxial - line in the simulation. by comparing the reflection of different probes, the best probe has been selected according to sensitive requirement. the influence of parameters : such as thickness of protective film, length of protruding inner conductor of the coaxial - line probe to the measurement has been studied

    通過時域有限差分法進行數值模擬分析，並採用吸收邊界處理同軸線軸心奇異點，計算出各種探頭測量相同溶液的反射系數，根據其測量的靈敏度，選出最優設計；並通過分析所選探頭的各種設計參數，如薄膜厚度、內導體伸出長度等的變化對測量結果的影響，找出該探頭各參數的最佳范圍，使其具有高度靈敏性，以適用於測量化學反應溶液的介電常數。
  6. Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity. the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained. the crystalline silicon solar cell spectral response, contact resistance and minority carrier lifetime measurement systems were established

    鈍化機理研究獲得了表面復合對不同表面摻雜濃度晶體硅太陽電池性能的影響、表面和界面復合速度的理論表達式；研究得到了減反射膜對太陽電池短路電流增量比的極限；建立了太陽電池光譜響應、柵線電極接觸電阻和少子壽命等測試系統。
  7. Three finite - difference methods, i. e., stagger grid, implicit and explicit algorithms, are analyzed in detail. multi - grid algorithm is firstly introduced in elastic wave simulation, to solve for the stability problem inherent in stagger grid and implicit algorithm, also for the efficiency problem inherent in explicit algorithm, and the precision, stability and efficiency for simulation of elastic wave arc increased by multi - grid method. phase - delay method is provided to effectively absorb boundary reflection and increase efficiency for wave motion simulation, based on phase delay and amplitude decaying features along wave propagation

    在水平分層介質接收函數的波形反演研究的基礎上，本文系統闡述了非均勻介質中彈性波傳播數值模擬常用的三種有限差分方法：顯式差分、隱式差分和交錯網格法，首次將多重網格演算法應用於彈性波方程的數值模擬問題，克服了交錯網格法和顯式差分法穩定性差，以及隱式差分法計算效率低的缺點，大大提高了彈性波數值模擬的精度、穩定性和計算效率。
  8. The various medium parameters have different influence on the reflection of the laser pulse. based on the diffusion approximation theory, the boundary condition of semi - infinite homogeneous media, the influence of the absorption a, the scattering s and the anisotropy coefficient g on the ultra short laser pulse of different pulse - width and shapes has been researched

    論文對超短脈沖在混濁介質中的傳輸進行了理論分析和數值模擬，並在不同脈寬的高斯脈沖和方波脈沖入射到混濁介質的漫反射、漫透射脈沖強度和形狀進行了理論分析和數值模擬，得到了它們與各光學特性參數的關系曲線。
  9. According to different water phenomena, we use two different method to produce waves source : the first method is by specifying the boundary conditions and initialization conditions, this method simulate the dam breaking, reflection and diffraction of water waves ; the second method is by specifying disturbance model, this method simulate water droplets, waterfall, waves of ship ; in the first part of this thesis, we discuss the prevalent methods of the simulation of water scenes, in the second part of this thesis, we describe the numerical methods of solving the shallow water equations using the finite difference method and the finite volume method respectively, in the third part of this thesis, we simulate some realistically liquid phenomena such as rain droplets, the waves of ship, dam breaking etc

    產生水波首先要有波源，設置不同的波源便可以得到不同的水流情形，我們用兩種方法來產生波源：一種是通過設置邊界條件和初始條件產生，這種方法用於模擬潰壩波的反射、折射等現象；另一種是通過擾動控制產生，這種方法用於模擬雨滴、瀑布、船波等自然現象。本論文的第一部分我們討論了目前水動畫模擬常用的幾種方法；在第二部分討論了我們所使用的兩類數值方法：有限差分方法和有限體積方法；在第三部分我們模擬了雨滴、船波、潰壩波等一些水流現象。
  10. Abstract : from the equilibrium and continuity conditions of wave impedance boundary of stress wave and velocity, wave, the paper derives the expressions of reflection coefficient and transmission coefficient of stress wave and velocity wave, further, discusses the characteristics of f - v curves at different impedance ratio, and analyzes the application of these characteristics to ascertain the defects of pile and soil resistance distribution around pile by practical engineering examples

    文摘:該文從力波及速度波在波阻抗界面的平衡及連續條件，推導了力波、速度波的反射系數、透射系數表達式，進而討論在不同阻抗比時的f ? v曲線特徵，並引用幾個工程實例對應用這些特徵判定樁身缺陷及樁周土的阻力分佈進行了分析。
  11. It was found that after our careful processing of the absorption boundary for artificial reflection, we could use the time - trace records at the surface to invert the locations of seismic sources or underground scatterer accurately

    經由適當的消除人為邊界反射，在只利用地表的歷時記錄即有效的推求出震源及散射體的精確立置。
  12. Finite difference method can deal with regular boundary conditions. in this paper, we discrete the water domain into rectangular meshes, and simulate the propagation, reflection and diffraction of water waves. we just specify waves source, the movement of water waves can be simulated automatically

    有限差分方法能夠處理具有規則邊界水域的水流現象，在本文中，我們把求解的水域離散成結構矩形網格，對水流的折射、反射、繞射等水流現象進行了動畫模擬，我們僅僅指定產生水流動畫的波源，水流動畫的細節均由數值方法產生，不需要人工的干預。
  13. The global weak solutions of boltzmann - poisson transport model with absorbing - reflection boundary

    輸運模型的整體弱解
  14. Finally in chapter 6, the problems of boundary conditions and incident wave, as the most valuable problem of mrtd as a time - domain method, are studied. this chapter presents the simulation results of the electromagnetic propagation and its interactions with the dielectric slab and analyse of the graph of the reflection coefficient in frequency. compared with fdtd results, the numerical results, obtained using the mrtd method, show the directness and conciseness of mrtd as a time - domain method and the advantages in grid enlargement and saving computer resource etc.

    最後，第六章討論了mrtd作為時域數值技術最具實際應用價值的邊界條件設置和入射波加入等問題，並給出模擬電磁波傳播過程和介質板反射系數頻譜分析，其數值結果表明了mrtd作為時域方法的直觀簡練，與fdtd方法的結果比較，顯示了其在擴大網格、節省計算資源等方面的優勢。
  15. In this paper, deconvolution and linearized inversion of receiver function are improved ; multi - channel deconvolution and wavelet inversion are developed for receiver function. the elastic wave motion equation is applied in the simulation and migration of receiver function in lateral inhomogeneous media, multi - grid algorithm is introduced in numerical modeling of elastic wave motion equation, and phase - delay boundary condition is also provided to absorb boundary reflection

    在此基礎上，重點研究和發展了橫向非均勻介質中，基於波動方程的數值模擬與偏移成像方法，首次將多重網格演算法引入到彈性波方程的數值模擬和接收函數的偏移成像，還發展了一種延遲邊界方法，以消除人為邊界反射的影響。
  16. Then, we infer the thin film system reflection or the transmittance mathematics value formula and the characteristic matrix representation formula from the maxwell ’ s equations and the suitable boundary condition. we study the automatic design problem of optical thin film

    在此基礎上從麥克斯韋方程組和適當的邊界條件出發，推導出了薄膜系統的反射或透射率的數學數值計算公式和特徵矩陣計算公式。
  17. In this pattern a new kind of infinite boundary element is developed to reduce wave reflection on the boundary. by this method, a simple and convenient numerical way is worked out and dissipation of the pore press, damping can be taken into account. it can not only solve the problem of material nonlinearity, but also be suitable for the problem of large deformation

    考慮到反射波在計算區域內經多次反射、透射和散射對計算結果可能產生較大的影響，在上述飽和砂土有限元模型的基礎上，建立了一種新的動力無限元計算模型，該模型能滿足工程計算的要求。
  18. It makes use of the mirror reflection boundary condition. the calculation result shows that the terse technique can save much calculation tune ( more than 30 % ). in fact, its result is more accurate, because it does n ' t take any approximation in the cavity region

    本文還對內含空腔系統的計算通過引入鏡面反射邊界條件而作了簡化處理，實際計算表明，簡化處理大幅度節省了計算時間，達30以上，而且其計算結果更為準確，因為它在計算過程中對空腔所在區域並未採取任何近似。
  19. The relation of phase between reflection electromagnet wave and incidence electromagnet wave on the boundary

    界面處反射電磁波與入射電磁波的相位關系
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