perturbation methods 中文意思是什麼

perturbation methods 解釋
攝動方法
  • 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
  • methods : （方法）：是指定給對象的函數。在函數被指定給對象之後，該函數就可以被稱為是該對象的方法。
  1. We show that near a hyperbolic set a c ~ ( 1 ) endomorphism has the lipschitz shadowing property, and a hyperbolic endomorphism has the inverse shadowing property with respect to a class of continuous methods. moreover, each of these shadowing properties is also " uniform " with respect to c ~ ( 1 ) perturbation

    證明了c ~ 1自同態在其雙曲不變集附近具有lipschitz跟蹤性，當c ~ 1自同態為雙曲時，對一類連續method而言具有反跟蹤性，並且這兩種跟蹤性相對c ~ 1小擾動均具有一致性。
  2. We must seek two main approximation methods of solution, the variation method and perturbation theory.

    我們必須尋求兩個主要的近似解法、變分法和微擾法。
  3. 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。
  4. Numericaj results are presented by a majss of tables and figures. in the second part, we propose direct perturbation methods of eigensensitivity ana1ysis a defective nlatrix for three different cases

    在第二部分中，我們給出了在三種情形下虧損矩陣的特徵靈敏度的直接攝動方法。
  5. In harbor engineering, reliability has been introduced to the design of foundations based on the limit equilibrium methods. in this paper perturbation stochastic finite element program was compiled to calculate and analysis the reliability of the foundation on muti - layered subsoils

    本文將隨機有限元法引入到地基承載力的計算中，編制了攝動隨機有限元程序，對地基穩定性和可靠度指標分佈情況進行了計算分析。
  6. This paper mainly studies the backward perturbation methods in solving the linear systems, and total minimal backward perturbation ( tminback ) method for symmetric linear systems is presented

    本文研究了求解線性方程組的向後擾動方法。對求解對稱線性方程組的lanczos方法做出了向後擾動分析，給出了求解對稱線性方程組的總體極小向後擾動（ tminback ）方法。
  7. Secondly, the effectiveness and limitation of the classical perturbation, such as the method of multiple scales and the poincare - lindstedt method, are discussed in detail through a duffing oscillator with delayed velocity feedback. it is shown that the two perturbation methods are effective only in solving the approximate solution of the first two orders. an ambiguity or paradox will be encountered when they are used to seeking for the third or higher order approximation of solution

    其次，以一具有時滯速度反饋的duffing系統為例，研究了經典攝動法如多尺度法， poincar - lindstedt法等在求解時滯微分方程級數解時的適用性和局限性問題，指出利用這些方法只能有效求得系統的前兩階近似解，而在求系統的三次以上近似解時會出現矛盾或二義性。
  8. In the last, the problem of the perturbation of fuzzy reasoning is discussed in detail, and the maximum perturbation parameters for various methods of fuzzy reasoning is estimated according to the choice of conjunctive operator and implication operator

    根據椎理規則中合取運算元與蘊涵運算元的不同選取方式，對各種模糊推理方法的最大攝動參數進行了評估，為實際應用中選擇恰當的模糊推理方法提供了一個準則
  9. Characteristic value calculating of bending vibration of bridge structures based on perturbation methods

    基於攝動法的橋梁結構彎曲振動特徵值計算
  10. A detailed study is made in this dissertation on the applicability of the classical perturbation methods to the dynamical systems with time delays, and on the global view of local bifurcations and the complex dynamical behaviors of several duffing systems under different delayed state feedback control

    本文詳細研究經典攝動法直接應用於時滯動力系統時的有效性及適用性問題，用不同方法系統分析了時滯狀態反饋下的duffing系統關于時滯的大范圍分叉模式和復雜動力學行為。
  11. The design methods of the orpadtc, which are based on lyapunov stability and popov hyperstability, are discussed. in the chapter six, simulations are done for a few typical first order upldt and second order upldt. the simulation results prove that the orpadtc has good power in dead - time compensating and adaptive tracing when the process being controlled has terrible uncertainty and parameter perturbation, and it is easy to design

    第六章對幾個典型的帶有大時滯的一階、二階過程及高階過程進行了實例設計與模擬，證明了在受控過程存在嚴重不確定性的情況下，對象參考參數自適應時滯補償器具有良好自適應跟蹤能力和時滯補償能力，並且易於設計應用。
  12. Using the canonical variable representation ( x, p ), the light - damping oscillator is discussed by the corrected time - dependent perturbation methods of dirac, it is turned out that the energy levels have shift and breadth, and the wave function decaying with time exponentially

    採用正則變數（ x ， p ）表象討論輕阻尼振子，並對量子力學含時微擾的狄拉克方法加以修改，得出量子能級有位移和寬度，以及波函數出現隨時間指數衰減的行為
  13. Compared to linear item, the nonlinear item is not small in these systems. so the traditional perturbation methods may not be applied in strongly nonlinear system directly

    對于強非線性系統，由於非線性項相對于線性項不再是小量，所以傳統的攝動方法往往不能直接應用來研究強非線性系統。
  14. To correct these effects, two methods were introduced in this paper : using weighted function to constrain second phase error caused by dispersion, and utilizing pga algorithm to reduce the phase perturbation due to the irregularities of the ionosphere

    本論文介紹了兩種校正方法：利用加權函數抑制色散效應引起的二次相位誤差，以及使用相位梯度自聚焦演算法較正由電離層的不規則性引起的信號相位起伏。
  15. In the control scheme using neural network, the control of flexible manipulator is separated into angle - following control of slow subsystem and vibration - suppressing control of fast subsystem based on singular perturbation and time decomposition. moreover, the paper discusses the structure and the algorithm of neural network plus fuzzy pd control of tip vibration. finally the performance of designed methods is validated by simulation

    對于神經網路控制，首先根據奇異攝動和兩時標分解，將柔性連桿機械臂的控制分解成等效剛性臂慢子系統的角跟隨運動控制和快子系統的消振控制，論文給出了神經網路+末端振動模糊pd控制的結構和計演算法，並通過實驗研究驗證了提出設計方法的性能。
  16. The perturbation resistance of vehicle impact accident reconstruction models is analyzed by thee common mathematical methods based on perturbation theory

    摘要基於攝動理論，應用3種常用的數學方法對基於動量定理建立的汽車碰撞事故模型的抗擾性進行分析。
  17. After introduction to the principle, the realizing methods and applications of chaos anti - control, the state of art of chaos anti - control methods both at home and abroad are aimed and summarized : including chaos anti - control based on lyapunov exponents allocation, chaos anti - control based on added linear or nonlinear state feedback, chaos anti - control based on the alteration of the dynamics of the available chaos attractors, chaos anti - control based on the time delayed system parameter perturbation or time delayed state feedback, chaos anti - control based on the precise tracking of the reference chaos system

    摘要在介紹混沌化控制的原理、方法、應用的基礎上，對如下混沌化控制方法的國內外現狀進行綜述：基於李雅普諾夫指數配置的混沌化控制、對受控系統施加線性或非線性狀態反饋輸入的混沌化控制、通過對已有混沌吸引子進行變異來實現混沌化控制、通過施加時滯參數攝動或時滯狀態反饋來實現混沌化控制、通過受控系統狀態對已知混沌參考系統狀態的精確跟蹤來實現混沌化控制。
  18. 1. the fuzzy clustering methods of the discretization is based on transitive closure. it has passed through a series of identical transformation. it may lose a lot of information in discretizated decision - making. we have gaven a method of the discretization of fuzzy clustering methods based on perturbation ( fcmbp )

    1 .研究了基於模糊聚類的離散化方法，他們都是基於傳遞閉包的方法，經一系列的非恆等變換，使得離散后決策表信息丟失較多。
  19. Research on de - cross - correlation methods based on time axis perturbation in multi - channel acoustic echo cancellation

    多路聲回波對消中基於時基微擾的去互相關法的研究
  20. Application of perturbation methods in bifurcation instability problem

    擾動法在結構分枝失穩分析中的應用
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