有界矩陣 的英文怎麼說

中文拼音 [yǒujièzhèn]
有界矩陣 英文
bounded matrix
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
  • : Ⅰ名詞1 (作戰隊伍的行列或組合方式) battle array [formation]: 布陣 deploy the troops in battle fo...
  • 矩陣 : [數學] matrix; array
  1. We make the following assumption for when 2 is positive definite matrix, different estimators about matrix of regression coefficients and inefficiency of least squares estimate have been discussed in many documents. considered 2 is nonnegative definite matrix, this thesis derives best linear unbiased estimate of parameter matrix b and estimable parameter function kbl under the meaning of matrix nonnegative definite and the property of maximum probability of blue is investigated. next, we discuss some necessary and sufficient conditions of the equality of the lse and blue, then we derive the estimation of the deviation bet - ween the least squares and the best linear unbias estimators of the mean matrix, meanwhile a relative efficiency of lse ofb is proposed and its bound is given

    當0時,眾多文獻討論了回歸系數的各種估計及lse的效性,本文考慮了當0的情形,給出了回歸系數b及其可估參數函數kbl的在非負定意義下的最優估計( blue ) ,研究了它的一個最大概率性質,並且討論了最小二乘估計成為最佳線性無偏估計的充分必要條件,在此基礎上給出了均值的最小二乘估計與blue的偏差估計,定義了lse相對于blue的一個相對效率,並給出了它的
  2. The dissertation has been divided into three part : the method of scalar fem for calculating the scattering and coupling character of 2d cavities ; the high efficient algorithm of vector fem for the scattering and coupling character of 3d cavities ; the method of calculate caliber admittance matrix for high efficient algorithm to compute the scattering and coupling character body with open cavities

    全文分別研究標量限元邊積分求解二維腔體電磁散射與耦合的計算方法,矢量限元邊積分求解三維腔體電磁散射與耦合的計算方法,同時針對含腔目標的高效求解問題提出了口徑導納的新的計算方法,提高了計算效率。
  3. Consequently, on the basis of non - winkler foundation model, a finite - element method that utilizes foundation flexibility matrix into iterative calculation is proposed in this paper originated from the item " the optimal design theory and research of pile capping beam " sponsored by natural science fund of hunan province, which the continuity of soil mass can be accounted for under various boundary conditions, different loadings and irregular beam characters

    本文結合湖南省自然科學基金項目「樁基承臺梁優化設計理論與方法研究」 ,針對非文克爾地基(半空間、線性變形層或單向壓縮層地基模型等)上的樁基承臺梁,提出一種利用地基柔度來進行迭代的限單元法,可充分考慮梁下土體的連續性,並對基礎與土體脫開、承臺梁截面變化、梁體邊條件復雜、上部荷載類型變化以及梁下基樁承載力差異等情況進行分析計算。
  4. Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation

    本文對多柔盤轉子-支承系統的振動現象做了以下初步探索:用質量離散化方法把原轉子系統簡化;採用matlab語言編制了對傳遞法計算多柔盤轉子-支承系統的臨轉速;用matlab語言對riccati傳遞法和限元法編制了程序計算系統的不平衡響應;並針對其過臨轉速時振動較大的現象,提出採用變間隙控制油膜剛度和阻尼,從而使原系統的在特定轉速(臨轉速)的一段范圍內不平衡響應減小;並從被動控制與主動控制兩方面進行數值模擬,取的了較好的控制效果。
  5. With the generalized algebraic riccati inequality ( gari ) approach, a sufficient and necessary condition for the existence of dynamic output feedback h controllers is presented, such that the resulting closed - loop sy stem is admissible with its transfer function satisfying h norm constraint

    利用廣義代數riccati不等式,給出離散廣義系統存在正常動態輸出反饋h控制器,使得閉環系統是容許的且其從外干擾輸入到受控輸出的傳遞函數h范數約束的充分必要條件。
  6. The problems of robust stability for a class of lurie direct or indirect systems with time - delay and norm - bounded uncertainties are discussed using delay dependent method. method of linear matrix inequality is adopted to resolve the problems. comparing with the other sufficient conditions, the maximum delay obtained in this paper is less conservative

    2 .針對具范數不確定參數的lur記時滯系統,分別給出了lurie直接型系統時滯相關的魯棒絕對穩定性條件和穩定化控制器以及lurie間接型系統時滯相關的魯棒絕對穩定性條件,結論均採用線性不等式的形式給出,通過和最近的其他充分性方法比較最大的時滯,表明本文方法大大減少了保守性。
  7. The interface mechanical finite element matrix matching method and the thermal stress for the masonry envelop in the wall of melting furnace

    熔煉爐壁中砌體的面力學限元對號入座法與熱應力
  8. By analyzing and studying the dynamic characteristic of the minehunting sonar array, the author points out that the minehunting sonar array posture control system is a non - linear and intense coupling dynamic system. according to characteristics of the common inertia matrix, the author testifies that the inertia matrix of the minehunting sonar array has many dynamic characteristics such as the limited boundary quality, the symmetry quality and the positive definite quality

    對獵雷聲納基的動力學特性進行分析研究,指出了獵雷聲納基控制系統為非線性、強耦合的動力學系統;從一般的慣量特性入手,證明了獵雷聲納基的慣量性、對稱性及正定性等動力學特性。
  9. The main work includes : based on biot ' s dynamic consolidation equations, by the method of integral transform and matrix transfer, two - dimensional consolidation of layered saturated soils is studied. then, the general integral solutions of stress ( including pore pressure ) and displacement ( including fluid flow ) of any point were obtained under harmonic vibration loads according to staunch boundary condition. second, a program to verify the correctness of this dissertation is developed

    主要工作:本文根據biot平面動力固結方程,運用積分變換和傳遞的方法,研究了成層飽和地基的二維biot固結問題,根據下邊為不透水基巖的邊條件,獲得了地基表面作用簡諧振動荷載時,任意點應力(包括孔壓) 、位移(包括流體流量)的一般積分形式解。
  10. The difference between these two algorithms is that the former uses sub - domain as the basic unit of task to be allocated and the latter uses the node - super - row as the basic unit of task. ( 6 ) the original problem is transformed into transformed domain by using laplace transform method. by the parallelization of the bem in the transformed domain, the parallelization of the elasto - dynamic be analysis is implemented by introducing the time related fimdamental solution, the time dependency is released from the formation of time - domain be equations

    ( 6 )通過拉氏積分變換法將彈性動力問題轉換至變換域,通過變換域上邊元的分佈并行處理實現了彈性動力邊元分析的并行化;引入與時間關的基本解,解除了時域邊元系統方程組形成階段的時間順序依賴性,通過向量運算的分佈并行處理實現方程組時間步進求解方法的并行化,這種方法是一種部分時間并行演算法。
  11. Using matrix theory, we present a sharp upper bound on the spectral radius of digraphs and strongly connected diagraphs

    摘要利用理論,給出了簡單向圖的譜半徑可達上和強連通向圖的譜半徑上
  12. Bounds on the spectral radius and the spread of nonnegative matrix

    關非負譜半徑及分離度的估計
  13. The author ' s work gives new way, which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount. these algorithms can find good use in numerical machining, robotics, form - position tolerance and computer graphics. ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves, this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves

    以上關于等距曲線的幾何逼近與代數逼近的演算法改革了當前國際圖形只能對基曲線沿法矢方向平移定距離的點作近似逼近的固定模式,創造了利於交互操作,能效地減少計算量及數據存儲量的新方法,可在數控加工、浙江大學碩士學位論文機器人、形位公差學、計算機圖形學中獲得很好的應用( 3 ) nurbs曲線曲面降階應用nurbs曲線的顯式表示及chebyshev多項式逼近理論,以實現nurbs曲線顯式一次性降多階的近似最佳逼近為目標進行了研究
  14. Through constituting appropriate homotopy equation, we convert ncp ( f ) to solving the homotopy equation. without assumption of regular or non - singularity for vf ( r ) ( which is the jacobian of f ( x ) ), we prove that the homotopy equation has a bounded solution curve starting from ( w ( 0 ), 1 ), and its end point is the solution of ncp ( f )

    在不需要非線性映照f (二)的jacobian甲f (二)正則或非奇異的限制下,我們證明了所構造的同倫方程一條從(二( 0 ) , l )出發的的解曲線,而其終點就是我們要求的ncp ( f )的解。
  15. An explicit expression to compute the h norm of the discrete - time symmetric system is established using the bounded real lemma. one explicit solution of stabilizing output feedback gains is obtained for the output feedback stabilization problem. ah explicit expression for h norm and the sub - optimal output feedback controllers have been obtained for the h control problem

    證明邊實引理在離散對稱系統時單位解,利用這一性質給出一個計算h ~范數的格11浙江大學博士學位論文式,並給出對稱輸出反饋可穩定問題的一個明顯解和h 」控制次優輸出反饋控制器。
  16. The norm - bounded parametric uncertainties entered into system matrices, input matrices and interconnections in all of the t - s fuzzy subsystems. dpdc controllers are designed for the uncertain interconnected fuzzy large - scale systems and lmi - based decentralized robust stabilizable conditions for uncertain interconnected fuzzy large - scale systems are developed

    所考慮的參數不確定性以范數的形式出現在各個子模糊系統的系統、輸入及輸出中,本論文討論了該類不確定性關聯大系統dpdc控制器的設計問題。
  17. Equiboundedness of matrix differential equations

    微分方程的等度
  18. The compound matrix method is used to obtain the eigenfunctions of stiff six - dimensional differential equations subject to an equal number of separated boundary conditions at end points

    摘要對于條件的且層的微分方程組,常常使用復合法獲得特徵函數。
  19. A new robust adaptive scheme which are used for tracking of this robot with parametric and bounded external uncertainties is proposed in this thesis. the controller is consist of a controller which is proposed by slotine1 ' 1 and nonlinear continued feedback compensation part. by estimating the unknown physical parameters of robot on - line, it can eliminate the effects result by parameters and external disturbances and guarantee gas and uniform boundedness of parametric estimation. the only information required in setting up the strategy is the output states of jionts, while the inversion of the inertia matrix or estimation the bound of the inertia matrix and measure the jionts accelerations are not needed. it is shown by simulations that the proposed control scheme has quicker convergence velocity and better control precision than paper [ 1 ] and control schemes at present

    針對該模型具參數及外部擾動不確定性時提出了一種新的魯棒自適應控制策略,控制器由基於slotine的控制器和非線性連續反饋補償控制器構成。通過在線估計機器人的未知物理參數,效的消除了由參數及外部擾動所引起的不確定性影響,保證系統達到漸近穩定和參數估計一致。與現存的許多控制方法相比,該控制策略不需求解慣性的逆或估計慣性,不需測量關節加速度,而唯一需要了解的只是系統輸出的位置及速度狀態。
  20. Poly - crystallization silicon thin film transistor ( p - si tft ) addressing liquid crystal display has been currently the research and development focus in the field of flat panel displays, as it is most feasible approach to high resolution, high integration and low power consumption as a result of its high aperture ration. there are less number interface of the crystal grain, lower metal impurity and higher mobility in the electric current director, the milc p - si tft has been the research focus in the fields of amlcd, projection display, oled etc. there are vast dangling bonds and bug

    多晶硅薄膜晶體管( p - sitft )液晶顯示器可以實現高解析度、高集成度、同時效降低顯示器的功耗,因而成為目前平板顯示領域主要研究方向;而以橫向晶化多晶硅為源層的tft由於在導電方向更少的晶、更低的金屬雜質污染、更高的載流子遷移率而成為目前液晶顯示領域、投影顯示、 oled顯示等領域研究的熱點。
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