domain equation 中文意思是什麼

domain equation 解釋
域方程
  • domain : n 1 領土,版圖;領地。2 管區,勢力圈;(特定動物等的)生長圈;(學問、活動等的)領域,范圍;【物...
  • equation : n. 1. 平衡,均衡;平均,相等。2. 【數學】方程式,等式。3. 【天文學】(時)差;均分,等分。4. 【化學】反應式。
  1. The paper takes integral calculus equation of time domain to express rails " dynamic response, then obtains the answers to time domain

    將軌道的振動響應用時間域的積分方程式表示,由此得到時域解答。
  2. Asymptotic attractors of the nonlinear evolution equation in bounded domain

    一類非線性發展方程的漸近吸引子
  3. The former three chapters considers the initial - boundary value problem for the nonlinear wave equation in a bounded domain fi c rn. chapter 2 investigates the problem with a, g and / like ( v2 ) = ( 1 + v2 ) - 1 / 2, g ( v ) = - | v | pv, p > 0 and f ( v ) = | v | mv, m > 0, respectively

    論文的主要內容分為四章,前三章主要研究定義在有界區域上的非線性波動方程的初邊值問題在第二章中( v )形式如( 1 + v ~ 2 ) ~ ( - 1 / 2 )
  4. In chapter 3, 1 consider the nonlinear parabolic equation : where a bounded domain with smooth boundary in ; v is outward normal vector on is a positive function satisfying some compatibility conditions focus my attention on the case of m > 1, to obtain the blow - up conditions of the positive solution using the method of subsolution and supersolution

    運用緊致性原理及moser迭代得到了解的整體存在性和解的熄滅性質。第三章討論了如下形式的非線性拋物方程:其中m , , 0 , r ~ + ,為r ~ n ( n 1 )中的有界域,具有適當光滑的邊界( ? ) ; v是(
  5. Finite difference domain decomposition algorithm on unstructured triangular mesh for parabolic equation

    一類無結構三角網上拋物方程的有限差分區域分解演算法
  6. In chapter 5, we extent the results of the finite difference domain decomposition algorithm of paper [ 13 ] for two dimensional heat equation and give some numerical results

    在第五章,我們在二維熱傳導方程求解上擴充了dawson等人的區域分解演算法。給出了關于演算法計算精度的數值結果。
  7. In view of problems on solving parabolic equation with non - differentiability, parameter identification on the problems is discussed in this paper by non - overlapping domain decomposition method. main theoretic results are as following. 1

    本文針對一類具有極大不可微性的拋物型方程定解問題,採用非重疊型區域分解演算法,應用分佈參數系統的參數辨識與最優控制理論,研究了該問題的參數辨識問題,主要的理論結果如下: 1
  8. 4. with visco - elastic boundary of soil considered, the eigenvalue equation in frequency domain of soil dynamic equilibrium equation falls into a complex transcendental equation. in course of seeking its solution, based on argument principle and contour integral, with the aid of matlab, two numerical algorithm combined with the corresponding procedures for solving transcendental equations in a complex plane is developed by the author

    4 、由於考慮了土體的粘彈性支承邊界條件,使得其動力平衡方程在頻域內的固有值方程為一復數超越方程,為了求解該方程,筆者基於幅角原理和閉合曲線積分,結合matlab ,提出了復平面上超越方程的兩種數值解法,並編制了相應的程序。
  9. According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results

    本文根據項目組研究成果,重點閘述了三維折射波靜校正技術,疊前波場分離相干噪音壓制方法(疊前fx去噪) ,疊前三維多域隨機噪音衰減技術,多次波衰減技術,非對稱雙曲線動校正技術,波動方程動態替換技術,非地表一致性的剩餘時差靜校正技術,超面元迭加處理技術,疊后深度偏移處理,疊前深度偏移處理等。
  10. Euler ' s equation in the wavenumber domain

    頻率域中的歐拉方程
  11. Because of the large advantage in the analysis of electromagnetic scattering and radiation problem, using the time domain integral equation ( tdie ) solving every structure of objects ’ scattering become to an important direction in computation electromagnetics, but the classical mot ( marching - on - in - time ) - based tdie solvers have a drawback : the late time stability problems

    由於時域積分方程對于分析電磁散射、輻射問題有著無可比擬的優勢,利用時域積分方程求解各種結構體目標散射成為計算電磁學領域中一個非常重要的方向。但是傳統的時間步進法求解時域積分方程存在致命缺點:后時穩定性不好。
  12. Based on the establishment of the mathematical model of the water - level controlling system, the boundary control equation of the stable domain of the continuous system and discrete system are found respectively, and the characteristic of stable domain of the two systems is analysed

    其目的是維持前池水位穩定,提高機組單位流量出力,最大限度利用來水,從而提高電站的經濟效益。在建立水位調節模式下調節系統數學模型基礎之上,對連續、離散系統進行了穩定分析。
  13. ( 2 ) intersectioning algorithm of nurbs surface and general implicit surface is researched in which the parametric formula are substituted into the implicit surface equation and then get the nonlinear two - dimensional equation on parametric domain

    ( 2 )實現了nurbs參數曲面與廣義的隱式曲面的求交演算法並將其應用於船體曲面與水線面的求交中。
  14. In the last part of the paper, we derive the euclidean equation of motion of the magnetic vector in a theoretical magnetic film consisting of biaxial - anisotropic molecular ferromagnets, which is reduced to the 2 + 1 dimensional sine - gordon field equation in the strong anisotropy limit. we obtain various domain structures which are the static solutions of the sine - gordon field equation

    最後考慮由雙軸各向異性分子磁體形成的理想無界膜,在強各向異性極限下,採用半經典近似方法,將磁化矢量的時空運動方程約化為2 + 1維sine - gordon場方程,從而得到各類疇結構。
  15. In section 4, by making use of the fourier transformation for spatial variables and starting from the nonparaxial propagating equation of ultrashort pulsed beam in temporal frequency domain, the nonparaxial solution basing on the paraxial propagating solution was derived, which come to exact solution by iterative of the paraxial integral solution

    在第四節里,通過採用空間變量的傅立葉變換和利用時間頻率域下的非傍軸傳輸方程,我們得出了超短脈沖光束傳輸的非傍軸的修正方法。
  16. These equation can be transformed back again into the time domain to describe the platform motion explicitly as a function of time.

    這些方程可以再轉換到時間域,以便清楚地用時間的函數來描述平臺的運動。
  17. In the second chapter, the kdv type equation on unbounded domain is considered. applying with the method of decomposing operator and the theory of constructing some compact operator in weighted space, the existence of exponential attractor is obtained

    在第二章中,運用帶權空間構造一類緊運算元和運算元分解的方法,研究了無界區域上的kdv型方程,得到了該方程指數吸引子的存在性
  18. Chapter 6, consider a coupled generalized kdv - burgers equation. in section 6. 2, we study the initial - boundary value problem in the semi - unbounded domain, the existence of global solutions and global attractors is proved by means of a uniform priori estimate for time. in section 6. 3, the cauchy problem by using the weighted space, the existence of the global attractors for a coupled generalized kdv - burgers in an semi - unbounded domain is proved

    第六章,考慮了一類廣義耦合的kdv - burgers方程,在第二節中討論了半無界區域上的初邊值問題,證明了整體光滑解和整體吸引子的存在性;在第三節中討論了cauchy問題,利用加權函數和加權空間上的插值8不等式,證明了半無界區域上整體吸引子的存在性。
  19. A generalized high order screen extrapolator of double square root ( dsr ) equation is derived from the non - stationary phase shift formula of wavefield continuation, thus a new prestack depth migration method in the cmp - offset domain is proposed

    在波場延拓方面,從非穩態相移公式出發,推導出廣義高階屏雙平方根波場延拓公式,從而得出了一種新的共中心點-炮檢距域疊前深度偏移方法。
  20. Author, starts from the one - way wave equation of wavefield extrapolation, research the relationship and transform condition of wavefield extrapolation operators, and propose the steady variational reference slowness rytov approximation general screen wavefield extrapolation operator ( vrselrf ) which can adapt severe lateral velocity variations, in frequency - wavenumber domain, and the improved wavefield extrapolation scheme, also give the method to improve the computation efficiency. the achievement establishes the theoretic basis of the whole research

    首先,從波場延拓的單程波方程出發,系統地研究了頻率波數域的波場延拓運算元之間的相互關系和轉換條件並在此基礎上提出了能適應劇烈橫向變速的頻率波數域穩定的變參考慢度rytov近似廣義屏波場延拓運算元( vrselrf )和部分波場延拓改進方案及提高運算效率的措施,為整個研究打下理論基礎。
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