linear perturbation theory 中文意思是什麼

linear perturbation theory 解釋
線性擾動理論
  • linear : adj. 1. 線的，直線的。2. 長度的。3. 【數學】一次的，線性的。4. 【動、植】線狀的；細長的。5. 由線條組成的，以線條為主的，強調線條的。
  • 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
  • theory : n. 1. 理論，學理，原理。2. 學說，論說 （opp. hypothesis）。3. 推測，揣度。4. 〈口語〉見解，意見。
  1. Design method of the electromechanical actuator controller based on the robust mixed h2 / h * control theory is studied, taking advantage of the priority of the linear matrix inequation in solving the problems of the multiobject control, the robust mixed h2 / h * control problem of the electromechanical actuator under the condition of parameter perturbation and external disturbance can be transformed to the solving of the linear matrix inequation

    研究了基於魯棒h _ 2 h _混合控制理論的電動舵機的控制器設計方法，利用線性矩陣不等式在多目標綜合控制問題求解方面的優勢，將存在參數攝動及外部擾動時的電動舵機的魯棒h _ 2 h _混合控制問題轉化為線性矩陣不等式問西北工業大學博士學位論文題並進行求解。
  2. 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。
  3. We have summarized a set of theoretical approach to this problem and discussed the instability of the gas cloud and the systems composed of collisionless particles in the background of dark matter. linear perturbation theory is the method to solve this problem, in which, we add the perturbation into the equilibrium state and discussed its evolution

    本文研究了自引力系統的穩定性問題，總結了解決該問題的一套理論方法。並具體研究了存在暗物質背景時氣體雲和無碰撞粒子系統中擾動的演化情況。解決穩定性問題的方法用線性擾動理論，即在平衡態中加入擾動，研究擾動在系統中的演化情況。
  4. In the second chapter, the nonlinear optical properties are described from both macroscopic and microscopic views, at the same time, giving the definitions of the linear and nonlinear polarizabilities. then, the explicit expressions of the linear and nonlinear polarizabilities are obtained by using quantum mechanical perturbation theory and density matrix formalism, respectively

    第二章非線性光學性質，首先分別從宏觀和微觀兩個角度討論了極化強度和電偶極矩與外加光電場強度之間的關系，同時給出了線性極化率和非線性超極化率的定義，然後分別運用含時微擾理論和密度矩陣理論求解了分子體系的線性極化率和非線性超極化率。
  5. The linear time perturbation theory is used in this paper, the effects of rotary flow, axial flow and both of them to the arc stability are discussed respectively. the corresponding equations and the boundary conditions are deduced

    本文採用與時間有關的線性微擾理論，分別討論了旋轉氣流、縱向氣流的作用，以及它們共同的作用下電弧螺旋不穩定性的特徵。
  6. 74 explores time - dependent quantum mechanics and spectroscopy. topics covered include : perturbation theory, two - level systems, light - matter interactions, relaxation in quantum systems, correlation functions and linear response theory, and nonlinear spectroscopy

    74探索與時間相關的量子力學與光譜學，課題包含：微擾理論、雙能級系統、光與物質之作用、量子系統的鬆弛過程、相關函數與線性響應理論，以及非線性光譜學。
  7. Through the unknown perturbation and uncertain estimation of the system, and feedback the estimation to the control system, the active disturbance rejection controller thus realizes the dynamic feedback linearization of those dynamic systems. the adrc theory is unique, and the method is simple, it suited to the non - linear an uncertain hydroelectric power sets

    自抗擾控制理論通過對系統未知擾動和不確定量的估計，並將估計量反饋回控制系統中，從而實現系統的動態線性化，該理論思想獨特，方法簡單，特別適合於具有非線性和時變特性的水輪發電機組這樣的系統。
  8. The stability of the feedback interconnection of a linear stable system and a bounded perturbation is studied in time domain in this paper. it s shown how a complex system can be characterized by integral quadratic constraints. and the iqc s theory in the time domain is given. for such model, a sufficient condition for the stability of the feedback interconnection is obtained, in some cases, this condition is also necessary. as the applications of the result in this paper, the problem of absolute stability is considered, then the timevarying circle criterion and other stability criteria are given

    在時域內研究了由一個穩定的線性系統和一個有界因果系統所構成的反饋內聯系統的輸入輸出穩定性問題，給出了時域內的iqc的理論框架，得到了判定反饋內聯系統穩定性的一些判據，同時也得出了一些必要條件。最後，作為前面結果的一個應用，將所得的結果應用到絕對穩定性問題中，得到了時變的圓判據和其他的一些穩定性判據。
  9. This thesis analyse the linear theory of gyro - twt with spiral corrugated waveguide and two - beam coaxial gyrotron. first of all, base on the theory of coupled - wave, the dispersion equation and coupling condition of spiral corrugated waveguide is realized by applying the method of impedance perturbation

    首先，在耦合波理論基礎上運用阻抗微擾法分析了內開槽螺紋波導的冷腔色散特性，通過數值運算作出了冷腔色散曲線同時用三維粒子模擬軟體進行了相應的冷腔分析。
  10. In this paper, these two methods are employed to consider three kinds of singular perturbation boundary value problems. in the first section, the existence of solution for a class of non - linear systems with three - point boundary problem is obtained by applying the differential inequality theory. in the second section, we use the differential inequality theory to discuss the non - monotone interior layer solution for one kind of singularly perturbed quasilinear boundary value problems with a turning point. in the third section, the diagonalization method is applied to study the existence of solution for a class of vector differential systems with two - point or three - point boundary problems. meanwhile, the asymptotic estimate of the solution as well as its first - order derivative and its second - order derivative is obtained

    在第一部分中，我們應用微分不等式理論證明了一類非線性系統三點邊值問題解的存在性；在第二部分中，運用微分不等式理論研究了一類帶有轉向點的擬線性奇攝動邊值問題的非單調內層解；在第三部分中，利用對角化方法研究了一類向量二點或者三點邊值問題解的存在性，並獲得解及它的一、二階導數的漸近估計。
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