finite interval 中文意思是什麼

finite interval 解釋
有限區間, 有窮區間
  • finite : adj. 有限的;【語法】限定的;【數學】有窮的,有盡的。n. 〈the finite〉 有限(性); 〈集合詞〉有限物。adv. -ly ,-ness n.
  • interval : n 1 (空間方面的)間隔;空隙。2 (時間方面的)間隔,間歇;工間休息,幕間休息。3 【軍事】(各小隊...
  1. A rational function is continuous on any finite interval where the denominator is bounded away from zero.

    有理函數在任何有限區間上都是連續的,其中分母遠離零值。
  2. There are three sections in this paper. the first section : we consider the initial boundary value problem on half line and bounded interval, with kato ' s method for abstract quasi - linear evolution equations and a prior estimates of. solution, we get the existence of global smooth solution and the blow - up of solution in finite time under some conditions

    第一部分:考慮了camassa ? holm方程在半無界和有界區域上的初邊值問題,用kato關于擬線性演化方程的初值問題的理論及先驗估計的方法,證明了整體解的存在性,及在一定條件下,解在有限時間內的blow ? up 。
  3. In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered

    論文根據熱傳導理論、彈性徐變理論及有限元理論,用三維有限元浮動網格法對拱壩施工期和運行期溫度場、徐變應力場進行了全過程模擬分析,較為系統的研究了混凝土拱壩施工期和運行期溫度場、徐變應力場的分佈規律,在分析中按照混凝土拱壩施工過程,考慮了混凝土分層澆築、施工間隙時間、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度應力的影響。
  4. The result can be used in control problems whether the time interval is finite or infinite, the control set is bounded or unbounded, and also for systems with a weak differentiable function, i. e., the function f is only strong continuously g - differentiable but not f - differentiable. so, th 6. 2. 7 is a uniform theory of optimal control, and it has wide - ranging applications

    可以看到,我們的結11摘要果可用於有限時域和無限時域、有界控制和無界控制、並且對系統中函數f的可微性要求也有較大的減弱? f對狀態變量x可以是僅有強連續的g一導數、不要求為f一可微。
  5. By representing the uncertain parameters as interval numbers, the governed equa tio ns of the structural system are obtained by means of the finite element method

    將結構系統中的不確定性參數用區間數來表示,用有限元法建立系統的控制方程。
  6. Analysis of the interval between double - row piles by finite element method

    雙排樁支護排距的有限元分析與研究
  7. In this article, according to heat conduction theory and finite element theory, the temperature field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, thermal insulation change, surrounding temperature change and water storage on temperature field in the arch dam are also considered

    論文根據熱傳導理論及有限元理論,用三維有限元浮動網格法對施工期和運行期溫度場進行了全過程模擬分析,較為系統的研究了混凝土拱壩施工期和運行期溫度場分佈規律,在分析中按照混凝土拱壩施工過程,考慮了混凝土分層澆築、施工間隙時間、絕熱溫升過程及壩體材料分區、水庫分期蓄水和環境溫度變化等因素對壩體溫度場的影響。
  8. By the exponential of martingale, the strong consistency and uniform strong consistency in finite closed interval are be obtained, which improve the results in [ 5 ]

    利用軟的某種指數不等式,得到了其加權核估計的強相合以及在有限閉區間內一致強相合的性質,並在某種意義上推廣了[ 5 ]的結果。
  9. When impact applies on a discrete system in which one of constraints is a constant with coulomb friction, the phenomenon of slip - stick at the point can cause the change of friction and the integration for frictional force during infinitesimal impulsive interval becomes impossible according to traditional impulsive dynamics of discrete systems. by introducing a new dimensional time parameter, first - order momentum - impulse differential equations are obtained and the discussion over infinitesimal impulsive interval is transformed into a piece - wise study on the finite region of impulse

    在引入新的無量綱的時間參數后,通過建立相應的動量-沖量的一階微分方程,在趨近於零的沖擊區間的討論變為在有限區間中來分段研究含滑動-黏滯的沖擊過程,得到了受到多點打擊的離散系統考慮庫侖摩擦時的動力學的求解方法,即根據沖擊前的初始狀態無需回到繁瑣的微分方程的求解便可以得到沖擊后系統的動力學響應。
  10. Abstract : iterative learning control is an effective approach to the control of processes that are repetitive in nature. in this paper, an open - closed - loop pi - type iterative learning control scheme for the precise tracking control of a class of discrete nonlinear time - varying systems over a finite time interval is presented. the scheme updates control input with tracking errors of both current and last iterations simultaneously. sufficient and necessary conditions which guarantee the convergence of the scheme are given and then proved with inductive method. finally, the conditions are verified with simulation results

    文摘:對于具有重復運動性質的對象,迭代學習控制是一種有效的控制方法.針對一類離散非線性時變系統在有限時域上的精確軌跡跟蹤問題,提出了一種開閉環pi型迭代學習控制律.這種迭代律同時利用系統當前的跟蹤誤差和前次迭代控制的跟蹤誤差修正控製作用.給出了所提出的學習控制律收斂的充分必要條件,並採用歸納法進行了證明.最後用模擬結果對收斂條件進行了驗證
  11. Interval arithmetic and static interval finite element method

    區間運算和靜力區間有限元
  12. Combining the interval arithmetic with the traditional finite element method ( fem ), the static governing equations of interval finite element method can be set up to get the interval static response of structure directly

    將區間分析和適當的有限元方法相結合,可建立直接求解靜力響應區間的區間有限元控制方程。
  13. ( 4 ) as an application of wavelets, the first, wavelet - based solution to ode to be researched, the second, construction the hermite b - spline bases scale functions with boundary conditions on the interval, combining with garlerkin method, to solve differential equation in finite - length beam problem ; the third, m - scaling function solution to ode in dynamics

    ( 4 )把小波函數用於微分方程的求解中。首先利用插值小波求解常微分方程,其次,滿足邊界條件的小波尺度函數,結合galerkin方法求解結構力學中的微分方程;最後,使用m -尺度函數求解梁結構中的微分方程。
  14. For those, this thesis constructions the hermite b - spline bases scale functions with boundary conditions on the interval. combining with garlerkin method, the steps are given to solve differential equation, as an example, it is used to deal with finite - length beam and plate problems

    鑒于以上的原因,本文構造了滿足西安建築科技大學博士學位論文區間上邊界條件的hermiteb一樣條尺度函數基,提出galerkin法求解格式,並應用於彈性地基上有限長梁和板問題,給出了數值結果。
  15. The stability perturbation bounds of a single - input - single - output system with both parametric and dynamic uncertainties is studied. the parametric uncertainties of the systems are described by interval perturbation mode, and the dynamic uncertainties are characterized by an integral quadratic constraint. based on the concepts of the minkowski functional, the problem of stability perturbation bounds is discussed, and for different uncertainty structures of the systems, the infinite stability checking problem of the mixed uncertain system can be converted to finite vertex - checking results and the edge - checking results

    系統的正向通道為帶有參數不確定性的線性系統,其不確定性為區間攝動模式,反饋通道為由積分二次約束給出的輸入輸出不確定性加以描述。用minkowski泛函給出區間攝動模式下的攝動界的定義,並給出參數空間中混合攝動模式下系統攝動界的估計式。
  16. However, the application of finite element in analysis and computation of uncertain structure is to be limited because there has n ' t a satisfying solving method to fuzzy equations and interval equations

    而由於模糊方程組和區間方程組尚沒有一個令人滿意的求解方法,制約了有限元法在具有模糊參數結構的分析計算中的應用。
  17. Here, two topics : two - stage and pure sequential procedures are probed into. from finite to pure sequential steps, the two enrich sequential interval estimates by different means

    本文探討2個主題:兩步抽樣與純序貫抽樣,從有限步到純序貫,這2個主題運用不同的手段豐富了序貫區間估計的研究內容。
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