invariant in time 中文意思是什麼

invariant in time 解釋
時間不變的
  • invariant : adj. 不變的，無變度的；一定的，恆定的。n. 【數學】不變式；不變量。n. -iance
  • in : adv 1 朝里，向內，在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  1. Finally, since there is no absolute origin in time, all systems must be invariant under time displacements.

    最後，因為沒有絕對的時間原點，所以任何系統在時間平移下一定不變。
  2. In order to overcome the restriction of classical approaches of stability for linear time - invariant discrete large - scale systems, we study the stability for large - scale systems with unidirectional strong coupling among subsystems in chapter 2

    為了克服傳統大系統穩定性分析方法的局限性，在第二章研究子系統間具有單向強耦合的線性定常離散大系統的穩定性問題。
  3. In this dissertation, a kind of linear time invariant systems with unmodeled dynamics and nonlinear uncertainties are considered by using backstepping approach and variable structure control algorithm. also another kind of linear time varying systems are studied based on the same method

    本文主要利用backstepping方法與變結構控制方法，研究了有未建模動態及不確定非線性項的線性時不變系統，以及輸入通道帶有干擾的線性時變系統的控制器設計問題
  4. Invariant distribution is a greatly important property of standard transition function in continuous - time markov chains and jump processes, it is of considerably significnce to study it

    不變分佈是連續時間馬氏鏈中標準轉移函數及跳過程的一個重要性質，對不變分佈的討論有著十分重要的意義。
  5. Mutual information rate and analytic constraint in linear time invariant control systems

    線性時不變控制系統中的互信息率和解析約束
  6. 3. dt - tmm can be applied in the linear time invariant, time varying or nonlinear multibody system dynamic problems

    3能綜合分析計算線性時不變、時變、非線性多體系統動力學問題。
  7. The modeling, analysis and control of networked control systems are studied in this dissertation when the controlled process is linear time - invariant system

    本文基於線性時不變的被控對象，研究了網路控制系統的建模、分析與控制問題。
  8. B. based on the precise integration method for structural dynamic systems proposed by zhong wanxie, an adaptive precise integration method for nonlinear time - invariant structural dynamic systems was proposed in this paper

    第二、在鐘萬勰院士提出的「精細積分法」的基礎上提出了求解非線性結構動力方程的自適應精細積分法。
  9. In this thesis, six topological characteristics and geometry characteristics are proposed that are invariant under affine transformations and axonometric projection. the definition of homograph is given based on these characteristics, and then the recognizing method of the homograph is proposed according to the definition of homograph at the same time

    其次，根據仿射不變性提出了6個用來描述多邊形形狀的拓撲特徵和幾何特徵，這些特徵在軸測投影下是不變的，以這些特徵為約束條件給出了在軸測投影下類似形的定義。
  10. However, in fact, thephysical parameters and dynamical character of the structure duringthe occurrence ofdamage are time - varying, and the response signalbehaves a non - stationary character. thus, it is generally recognized that the linear time - varying ( ltv ) model is moreappropriate and better than linear time - invariant ( lti ) model to capture theinstantaneous dynamical behaviors

    然而事實上，結構的損傷使得其物理參數和動態特性隨著時間而變化，結構的響應具有非穩態的特徵。因此，利用線性時變系統模型，獲取系統的時變特徵，才更有利於結構破損診斷，線性時變系統的參數識別也受到了越來越多的關注。
  11. Hence this method can improve accuracy and efficiency of the calculation. c. based on these work upwards, an adaptively wavelet precise time - invariant integration method was proposed in this paper. in this method, an adaptive multilevel interpolation wavelet collocation method for partial difference equations ( pdes ) was conducted, in which the time complexity is less than oleg v ' s method, and then the adaptive precise integration method was combined with, so that in this method the adaptively discretes both in time domain and physical domain were realized

    該方法將外推法引入求解結構動力方程的精細時程積分法中，從而使該方法在求解非線性動力方程中可以自適應選取時間步長；需要指出的是，由於考慮了矩陣指數精細演算法和外推法演算法在時間離散方法上的一致性，在外推過程中，計算工作量基本沒有增加；因此，兩種方法的結合有效提高了演算法的效率和精度。
  12. The current control approaches are based on frequency domain methods such as pid control which assumes linear time invariant system dynamics. the advantages of these approaches are simplicity and ease of stability and robustness analysis. however, the decrease in performanc e and poor efficiency translates to additional payload and cannot meet the demand of current spacecraft control

    當前飛行器主要的控制方法是基於近似時不變線性系統的頻域分析法（如pid控制） ，這種方法的優點是簡單且易於穩定性和魯棒性分析，但它所達到的低性能和低效率卻轉化成了飛行器控制過程的附加載荷，還遠不夠滿足當前飛行器控制的要求。
  13. Therefore, based on the ann correlation signal post - processing technique, we designed a kind of sdf performed in spatial domain, and a two - step recognition technique was introduced to perform real - time distortion - invariant recognition by combining frequency domain filtering of sdf with spatial domain filtering of sdf

    為此，本文在ann相關信號后處理技術的基礎上引入了二次識別技術，設計製作了一種空域執行的sdf濾波器，採用頻域sdf濾波與空域sdf濾波相結合的方法，對目標進行實時畸變不變識別。
  14. Based on the lyapunov approach, my main results are obtained as follows : 1. the decoupling of the linear time - invariant system and linear time - delay system are discussed. for linear systems with norm - bounded uncertainties, conditions for energy decoupling with input transformation or both state feedback and input transformation are given in terms of linear matrix inequalities

    討論了線性定常系統和時滯系統的能量解耦，研究了具有范數有界不確定參數的線性不確定系統，給出了不確定線性系統僅具有輸入變換、同時具有狀態反饋和輸入變換情況下的能量解耦方法，結果以線性矩陣不等式的形式給出。
  15. Based on the existing theoretical results on model predictive control, this thesis is devoted to the development of the framework of robust model predictive control with guaranteed robust feasibility, roboust stability and real - time applicability. to achieve this goal, the relevant theory and approaches, such as linear matrix inequalities ( lmi ), robust controllable invariant set, robust controllable contractive set and multi - parameter linear programming, are employed in the research work

    本論文在預測控制理論已有研究成果的基礎上，利用線性矩陣不等式、魯棒可控不變集、魯棒可控收縮集、多參線性規劃等相關理論和方法，探索具有可行性、穩定性和一定實時性保證的魯棒預測控制設計框架。
  16. Stability for a class of nonlinear feedback system is studied in this paper. thus some sufficient and necessary conditions are given. these results are suitable for both time - invariant and time - varying systems. as an application, the general time - varying lur e problem is studied too. then the time - varying circle criterion in the siso case is given. at the same time, in the mimo case, a stability criterion is given, which doesn t need the decoupling conditions

    -穩定性問題，給出了其穩性分析準則和一些必要條件，這些結果適用於時不變與時變系統。其次，利用已有的結果，研究了非線性環節具有扇區特性的穩定性問題。在單輸入單輸出siso的情況下，給出了時變系統的圓判據。
  17. A partial decomposition for linear discrete large - scale systems in stability is proposed. and it is applied to stability analysis for the time - invariant and time - varying discrete large - scale systems

    提出了離散大系統穩定性分析的部分分解法，並將該方法用於線性定常及時變離散大系統穩定性分析。
  18. If you do not use date or time separators in a custom format pattern, use the invariant culture for the

    如果在自定義格式模式中不使用日期或時間分隔符，請為
分享友人
分享到 Line

分享到臉書