perturbation method 中文意思是什麼

perturbation method 解釋
擾動方法
  • perturbation : n. 1. 慌張,動搖;混亂。2. 狼狽,不安,焦慮。3. 引起不安[混亂]的事物;引起動搖的原因。4. 【天文學】攝動;【物理學】微擾。adj. -al
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Thirdly, we obtain multiplicity of solutions for resonant non - homogeneous boundary perturbations from symmetric problem without parameter by a new perturbation method introduced by bolle in reference [ 4 ], applied in references [ 5 ] [ 6 ] and extend in reference [ 7 ]. references [ 5 ] [ 6 ] have considered some exceptive case while the section consider general case

    再次,利用bolle在文獻[ 4 ]中提出的、被應用於文獻[ 5 ] [ 6 ]以及在文獻[ 7 ]中被推廣的一種新的擾動方法得到問題即不帶參數的對稱共振非齊次邊值擾動問題的多重解,在文獻[ 5 ] [ 6 ]中討論了非線性項為摘要幾種特殊情形的情況,此部分討論非線性項為一般情形的情況
  2. In part two, the optical spatiotemporal pattern in ring optic cavity is investigated. using delay feedback with spatial perturbation method, the system shows roll, square, hexagon, homocentric circle, " honeycomb " and " snowflower " pattern with different spatial perturbation functions. different patterns can be coexist and compete each other with the same perturbation function, which is the new character of this optical system with delay feedback

    第二部分,利用延時反饋的空間微擾方法研究了環形腔中二能級介質的光學時空斑圖的控制,在不同的微擾函數作用下,出現了滾筒狀、四方形、六角形、蜂窩狀、同心圓以及「雪花」狀等不同的斑圖,並且在相同的微擾函數下張勝海:博士學位論文出現了不同斑圖之間的競爭,這種競爭是我們發現的這一具有空間微擾的延時反饋非線性光學系統光學斑圖的新特徵。
  3. The error formulas of position and orientation for the octahedron parallel machine tool and the new type of parallel machine tool are set by using perturbation method

    利用攝動法得出了八面體並聯機床和新型並聯機床的位姿誤差關系式。
  4. Based on the normal form obtained above, a global perturbation method is utilized to give the analysis for the global bifurcations and chaotic dynamics of the rotor - ambs system. the global bifurcations analysis indicates that there exist the heteroclinic bifurcations and the silnikov - type homoclinic orbit in the averaged equations

    利用全局攝動法研究了電磁軸承-轉子系統的全局分叉和混沌動力學,利用數值模擬方法分別對平均方程和原方程進行了分析,得到了的描述系統混沌運動的相圖和波形圖,從而驗證了理論結果的正確性。
  5. The fundamental ideas and methods of this paper are also illuminated in this chapter. in chapter two, a one - dimensional and semi - closed shallow sea mode is studied. the approximate analytical expressions of the water level at the top of the bay induced by the nonlinear interaction between the storm surges and the astronomical tides are obtained by using the perturbation method

    在第二章里,研究了一維半封閉水域中的非定常風暴潮與天文潮非線性相互作用的問題,用攝動方法求出了具有實際意義的海灣頂部增水水位的一階近似解析表達式,並給出了增水過程曲線。
  6. Using the direct perturbation method, we gave the analytically chaotic solution and its boundedness condition to each perturbed equation

    運用直接微擾法,我們給出了各級微擾方程的解析解及其有界性條件。
  7. By use of the direct perturbation method, perturbed correction is construct and its boundedness conditions are established that contain the melnikov criterion for the onset of chaos

    運用直接微擾法,我們給出了一級微擾方程的解析解及其有界性條件。
  8. An analytical algorithm of solving generalized optimal set of discriminant vectors based on perturbation method

    基於擾動方法的廣義最佳鑒別矢量集求解的一種解析演算法
  9. Additive drag perturbation method for measuring active drag in swimming

    測量游泳動態阻力的附加阻力微擾動法
  10. This paper is concerned with, the existence and stability of travelling wave solutions for the viscous balance law which is an extension of viscous conservation law where a reaction term g ( u ) is added. l ) the existence of travelling wave solutions by geometric singular perturbation method, we investigate the existence of travelling waves ( a2 ) connecting a saddle point and a sink point and the existence of viscous shock waves c connecting two adjacent or disadjacent saddle points. by giving a detailed analysis of the fast and slow manifolds and verifying the transversality of the intersection of singular stable and unstable manifolds of the reduced problem along the singular heteroclinic orbit, we obtain the existence of travelling waves ( a2 ) in the case of a convex flow function / and that of viscous shock waves c under the assumption that f " is bounded

    主要結果如下: 1 )行波的存在性本文利用[ 37 ]中幾何奇異攝動理論,通過仔細分析= 0時的快流、慢流,驗證= 0時慢流方程的穩定與不穩定流形橫截相交於奇異異宿軌道,先在f為凸的條件下嚴格證明了( )存在連接不相鄰的鞍點、結點的行波( a2 ) ;然後在地f有界的條件下得到( )存在連接鞍點(包括相鄰和不相鄰)的粘性沖擊波c ,彌補了[ 11 ]缺少嚴格證明的不足,並推廣了[ 11 ]在f為凸的條件下得到的粘性沖擊波的存在性結果。
  11. By use of - perturbation method with spatial discretization, the hydraulic transient system controlled by quasilinear partial differential equation was converted to a time - continuous linear system, so that the inverse problem of hydraulic transients under limited pressure could be sol ed with the optimal control theory for time - continuous systems

    採用-攝動法並經過空間離散,將由擬線性偏微分方程式控制制的有壓瞬變流系統轉化為時間連續線性系統,從而使有壓瞬變流限壓控制反問題能應用時間連續系統最優控制理論來求解。
  12. Employing perturbation method and numerical simulation, we study the flow in rotating helical pipes including different rotations, different cross sections ( circular, elliptical, annular and square cross section ), and different geometrical structures

    採用攝動方法和數值計算方法,研究了處于多種旋轉狀態下、多種截面形狀(圓截面、橢圓截面、環形截面、矩形截面) 、不同幾何結構旋轉螺旋管道流動。
  13. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉曲線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  14. A general matrix perturbation method for complex modes using singular value decomposition

    基於奇異值分解的復模態矩陣攝動法
  15. Modal perturbation method for obtaining complex modal characteristics of non - proportional damping systems

    求解非比例阻尼體系復模態的實模態攝動法
  16. Homotopy perturbation method for nonlinear dynamic equations based on precise integration technology

    基於精細積分技術的非線性動力學方程的同倫攝動法
  17. Perturbation method of analysis is a prevalent method to solve nonlinear differential equation in mechanics field

    正則攝動法是一種在力學領域求解非線性微分方程的方法。
  18. In this dissertation, the experimental study of rolling condition on two - phase flow instabilities of the forced - single - tube circulation system was carried out. furthermore, based on the d - partition method and the hypothesis of drift flow model, given some conservative equation, using the perturbation method the response of the pressure drop of the tube to the inlet flow rate perturbation was analyzed both in rolling condition and in normal upright position

    本文主要通過實驗對搖擺條件對單管強迫循環中汽液兩相流動不穩定性的影響,同時在d分區法的前提下,在兩相區基於漂移流模型,一定的守恆條件下,在搖擺和不搖擺工況中用線性小擾動法對實驗段的壓降對入口流速的擾動的響應進行了分析。
  19. By solving the nonlinear schrodinger equation with perturbation method and computer simulations, we have demonstrated that super - gaussian sliding - frequency filters are more effective to reduce timing jitter than conventional sliding - frequency filters without sacrificing the signal - to - noise ratio

    通過求解非線性薛定諤方程和數值模擬,我們認為超高斯滑頻濾波器能很好地控制孤子的時間抖動和相互作用。
  20. In this dissertation, different theories of measurement are discussed. through the comparison, we use traveling - wave method to measure dispersion and nonresonant perturbation method to measure interaction impedance

    通過分析、比較不同的測量方法,本文最後採用行波法測量色散,非諧振微擾法測量耦合阻抗。
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