perturbation parameter 中文意思是什麼

perturbation parameter 解釋
擾動參數
  • 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
  • parameter : n. 1. 【數學】參數，變數；參詞；參項。2. 【物理學】參量；（結晶體的）標軸。3. 〈廢語〉【天文學】通徑。vt. -ize 使參數化。
  1. Its biquadratic finite element approximation is considered and under the appropriately graded meshes, quasi - optimal order error estimates in the - weighted h ^ 1 - norm, up to a logarithmic factor in the singular perturbation parameter, are proved

    然後，考慮此方程在分層網格剖分上的雙二次有限元逼近，在-加權h ^ 1 -模意義下得到了至多相差一個關于攝動參數對數因子的擬最優階收斂的誤差估計。
  2. 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
  3. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應（ cqi ） ，並且測得積分干涉角，為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息，實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢，應用含時微擾理論的一級波恩近似，假想在分子束實驗的條件下，建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式，通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢，同時初步探討了實驗的正確觀測途徑，得出了採用分子束進行實驗觀測的實驗方法，為進一步進行分子束實驗提供了理論基礎，對實驗的進行起到了一定的借鑒作用
  4. Considering that electromechanical actuator ( ema ) has the feature of being sensitive to the parameter perturbation and load disturbance, being poor in rigidity etc., deep research has been done to the principle and design method of the ema control system by using the robust control theories

    針對電動舵機存在的易受參數攝動及負載擾動影響、剛度較差的特點，採用魯棒控制理論，對電動舵機控制系統設計理論及方法進行了深入研究。
  5. 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。
  6. 4. based on the sensitivity analysis by a step - perturbation test for several most important parameters, the effective interfacial area is found the most sensitive parameter, which affects the separation efficiency in structured packing column significantly

    4 .基於階躍攝動測試，對非平衡模型主要參數進行了靈敏度分析，結果表明模型中的有效相接觸面積的靈敏度最大。
  7. The one - step non - interior continuation method of chen and xiu for lcps is refined in chapter four. it is extended to nlps. the control parameter is replaced by the smoothing parameter in the perturbation term of newton step

    第四章細化了chen - xiu求解線性互補問題的一步非內點延拓演算法，並且推廣到非線性互補問題。
  8. Hence, robot ’ s applying scope is greatly constricted. in this dissertation, parameter perturbation and the uncertainties of environment stiffness are mainly studied based on robot force / position control

    基於上述問題，本文在力/位置控制的基礎上，主要針對機器人參數攝動及外界工作環境接觸剛度的不確定進行研究。
  9. The resulting control systems are robust and reliable in that guaranteed stability and performance were provided not only for any admissible parameter perturbation, but also in case of control - channel outages

    該方法能夠保證對于給定范圍內的任意參數攝動和控制通道失效，受控系統都是內部穩定且滿足指定的性能指標。
  10. However, it is difficult to choose proper perturbation parameter in the process of applying this method. even in present day, there have not a dependable norm to confirm certain parameter and researcher often search it through engineering experience

    但選擇攝動參數卻是正則攝動法求解過程中的一個比較困難的問題，現在對于這一問題仍然沒有一個一般的原則，而主要是利用經驗對該問題進行處理。
  11. By this method of analysis, researcher can get all of elastic characters without choosing proper perturbation parameter to create perturbation solution. since this method of analysis reduce the experience factors in the process of analysis, the results of it can be more reasonable

    採用該方法求解板以及殼體的大撓度問題，研究者無須具體選擇攝動解的攝動參數就能夠得出問題的全部彈性特徵，減少了在攝動過程中的先驗因素，使得求解結果更趨于合理。
  12. Robust failure detector principle and design for parameter perturbation system

    小規格高碳盤條的時間效應規律研究
  13. A finite element solving the elliptic fourth order singular perturbation problem need to be a convergent plate element and to be convergent, uniformly with respect to the parameter e

    數值結果表明此元有較好的收斂性。求解四階橢圓奇異攝動問題的有限元應是收斂的板元，並且要關于（
  14. In chapter five, a construction of closed loop control system is given for dead - time compensated upldt. to the point of parameter uncertainty and perturbation, double plus and double multiply expressions are presented

    針對大時滯不確定過程存在參數及時滯的不確定或攝動問題，提出了純加性及純乘性不確定性描述。
  15. 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。
  16. Furthermore, a scheme is developed by which a few single - parameter based random perturbation analyses are combined to produce the results for a multi - parameter random purturbation analysis

    建立了由單參數變異性攝動分析組合出多參數變異性分析結果的演算法。
  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. Abstract : for the linear weighted regression model, influence measure of covariance matr ix perturbation and estimate efficiency of regression parameter have been analyz ed on the basis of the regression diagnosis, and the lower bounds of the two eff iciencies have been given

    文摘:針對線性加權回歸模型，從統計診斷的角度分析了協方差陣擾動的影響度量和回歸系數的估計效率，並給出了2種效率的下界
  19. In this paper, we mainly discuss the application of double set parameter finite element method to the following elliptic singular perturbation problem [ 1 ] : where ? is a real parameter such that0 < e < 1

    本文主要研究了雙參數有限元方法對橢圓奇異攝動問題的應用，其中是實數且0 1當從1趨向於0時，問題（ 1
  20. Based on the singular - value decomposition method, several schemes to readjust the singular value of design matrix are proponed through perturbation analysis, and a simulated example is studied for illustrating these schemes can overcome the ill effect when there exist ill conditioning among the columns of the design matrix. the problem of selecting the biased parameter is studied in every scheme

    通過對觀測方程進行擾動分析，基二奇異值分解技術，提出了若干種修正奇異值的方案，討論了奇異值修正方案中偏參數的選取問題，並且結合模擬算例對這些方案在克服設計陣的病態性影響方面的作用進行了研究。
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