time variable 中文意思是什麼

time variable 解釋
時間變量
  • 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 ...
  • variable : adj 1 易變的，變化無常的，無定的 （opp constant steady）。2 可變的，能變的；變換的。3 【數學】變...
  1. In order to satisfy the veracity and the robustness against time - variable noise of the aoct, a new square root kalman adaptive filter arithmetic with time - variable noise statistic is presented in this paper. in addition, the wavelet analysis is applied to inspect the singularity of the measured current, and an adaptive signal - noise decomposer for aoct is designed

    為了滿足aoct自適應控制的準確性和時變噪聲魯棒性的要求，論文將kalman濾波理論引入到自適應濾波中，並應用矩陣理論提出了一種新的時變噪聲統計的平方根kalman自適應演算法。
  2. The improvements in the iaga contained adding strengthen operator, improving evaluation index of premature, etc. multi - phase homing project, making use of the flight properties of parafoil system in gliding and turning, was simple in control and facile in practice. based on frenet frame, the linear time - variable error equations of parafoil system were built

    基於frenet坐標系推導和建立了翼傘系統線性時不變的誤差方程，並運用「投影點」的思想來獲得frenet坐標系下偏差量的解析近似表達式，從而設計了用於翼傘系統航跡跟蹤的傳統pd控制器和增益調節型模糊pd控制器。
  3. Robust nonlinear friction compensation of mechanical servo system with time variable parameters

    參數不確定機械伺服系統的魯棒非線性摩擦補償控制
  4. First, we apply the method of galerkin and the fixed theorem of the larey - schauder to prove the existence of the approximate solution. next, we give the priori estimates of the higher order derivatives ( with respect to spa - tial variable and time variable ) of the approximate solution

    首先應用galerkin方法和larey一schaude :不動點定理證明近似解的存在性，然後進行近似解的高階導數的先驗估計（關于空間變量和時間變量） 。
  5. Firstly, in the paper a family of integral solution representing ultrashort pulsed beam propagating in free space have been studied by using the co - moving frame coordinates and the fourier transformation for time variable in terms of well - known paraxial approximation. and the pulsed gaussian - like beam solution can be obtained as a especial solution of the integral solution, where including the pulsed gaussian beam

    首先利用傅立葉變換和惠更斯-菲涅爾衍射積分公式，我們給出了傍軸標量場近似下超短脈沖光束傳輸的基本積分解，並進一步得到了用卷積形式表示的脈沖類gauss光束解（ pulsedgaussian - likebeam ）的普遍形式解。
  6. In the design of four - bar linkages driven by motor, the mass - distribution is used to counteract the fluctuation of system and improve the performance. at the same time, this paper applies an adaptive neuron pid controller for nonlinear time - variable system. it efficiently lessens the fluctuation, accompanying with mass - redistribution

    在電機驅動的平面四桿機構設計中，首先對機構進行質量平衡，這不但減小了速度波動，而且也簡化了狀態方程；再針對系統的狀態方程非線性、時變特性選用單神經元自適應pid控制器的方法，有效的消除了系統的速度波動。
  7. In this paper, taking thewh20s flight simulator as research object, application of variable structure control for flight simulator is discussed. first, based of researching the flight simulator ’ s control system, and the problems in the flight simulator ’ s low - speed performance, continuous time variable structure control is researched. then, the paper analyses the non - linear factors ’ effect especially the friction factor ’ s effect to the flight simulator

    首先在分析轉臺的控制系統以及轉臺在低速時存在問題的基礎上，研究了連續時間系統的變結構控制，分析了非線性因素特別是摩擦力矩對轉臺的影響，並對lugre摩擦模型做了研究，繼而將pid與變結構控制結合起來進行了研究，在模擬的基礎上應用於wh20s轉臺的實際控制系統，取得了較好的效果。
  8. Then the mathematical problem of nonlinear heat diffusion with temperature dependent thermal conductivity has been derived during laser irradiation of two - layer structures. to solve this problem, a kirchhoff transformation and further time variable transformation has been used

    於是，文中還用有限容積法將溫度場定解問題離散化，選擇合適的空間網格和時間網格，通過matlab編程實現對四維溫度場的數值模擬。
  9. Based on the correlation structure of real - time variable bit rate video traffic, this paper proposed a dynamic bandwidth allocation ( dba ) algorithm with adaptive linear traffic prediction in ethernet passive optical network ( epon )

    摘要根據視頻數據流的長程相關性特點，提出一種以太無源光網路中面向實時可變比特率視頻的動態帶寬分配演算法。
  10. The main numerical method of this code is coming from scheme ( jameson, schimit and turkel ) : using cell - centered finite volume method as spatial discretization tools, and a system of ordinary differential equations for time variable is obtained, which is solved by utilizing five - step runge - kutta scheme as time marching method, introducing artificial dissipation to damp high frequency oscillations near the shock and stagnation point

    本論文採用歐拉方程作為控制方程，利用中心有限體積法進行空間離散，得到對時間變量的常微分方程組，採用龍格庫塔多步法進行時間積分，加入人工粘性以消除激波和駐點附近的壓力振蕩等方法來對naca0012翼型的實際流動進行并行數值模擬。
  11. Discrete - time variable structure control ( dvscs ) systems with time - delay are studied in this dissertation

    本文研究的主要內容為離散滯后系統的變結構控制。
  12. In the present digital era, with the advance of microcomputer technology, the discrete - time variable structure control research on the sampled systems become a hot - spot

    伴隨著數字時代的到來和計算機技術的發展，基於采樣離散模型上的離散系統的變結構控製成為目前研究的熱點。
  13. In the end, some applications in the power electronic apparatus with the discrete - time variable structure control are introduced. the future development for the discrete - time variable structure control systems is also provided

    最後討論了離散變結構控制在電力電子裝置中的應用實例及對離散變結構控制的發展方向作了展望。
  14. Meanwhile, design methods of chattering - free in the discrete - time systems are expounded and the strategies of robust control for the discrete - time variable structure control systems are discussed in emphasize, especially the robust discrete - time variable structure control strategy with the reaching law based on discrete attenua ting rate control

    同時，闡述了離散系統變結構無抖振控制的設計方法。論文重點討論了離散系統魯棒變結構控制方法，特別是應用離散衰減變速趨近律實現的魯棒控制策略。
  15. A green regulated deficit water - saving technology with high efficience and real - time variable control

    調控虧缺度型實時變量高效環保田間節水灌溉技術
  16. Is a run - time variable and

    是運行時變量，
  17. In chapter 6, we presents a novel transmit diversity scheme - space - time variable correlation ( stvc )

    第六章對一種新穎的發送分集方案?空時變相關碼stvc進行了研究。
  18. Is a run - time variable and expression is an expression that follows the rules of the ssis expression syntax

    是運行時變量， < expression >是遵循ssis表達式語法規則的表達式。
  19. Simulation result indicated that predictive filter of the dynamics model may be followed the attitude movement, if disturbance moment is time variable and large relative to gradient moment of gravity, and predictive filter based kinematics is suitable if there is no information about dynamics

    在有較大時變干擾力矩情況下基於動力學模型的預測濾波演算法能夠很好地跟蹤姿態變化，而在對系統模型一無所知，系統動態不高的條件下利用基於運動學的預測濾波演算法可以得到較好的姿態估計。
  20. ( 2 ) in the study of multivariate phenomena, each time variable should possess its own scaling parameter in order to allow maximal flexibility in time - frequency. the notion of multifrequency multifunction wavelets, to be introduced, is based on this point of view. multifrequency wavelets, via directional multiresolution analysis, generated by a single function is extended to multifrequency multifunction wavelets generated by a finite number of functions

    （ 2 ）在研究多變量問題時，為了使時頻分析具有最大的靈活性，要求每個時間變量都有它自己的尺度參數，鑒於此，本文從尺度函數構成正交基或riesz基出發，把一維多函數小波推廣到二維多頻率多函數小波，解決了構造正交或雙正交多頻率多函數小波所需要的理論依據。
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