漸近平衡 的英文怎麼說

中文拼音 [jiānjìnpínghéng]
漸近平衡 英文
asymptotic equilibrium
  • : 漸副詞(逐步; 漸漸) gradually; by degrees
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ名詞1 (秤桿) the graduated arm of a steelyard2 (稱重量的器具) weighing apparatus3 (姓氏) a...
  • 漸近 : [數學] [物理學] asymptotic; approximation漸近操作(法) evolutionary operation; 漸近點 asymptotic...
  1. In chapter 3, two nonlinear modified gilpin - ayala models with distributive delay and continuous diffusion are studied. some simple sufficient conditions for globally asymptotically stable and asymptotically stable of the unique positive equilibrium point are established by constructing lyapunov functional

    在第二章中,我們研究的擴散行為是離散的,而在第三章中,我們研究兩類含連續擴散行為的非線性時滯gilpin - ayala模型(反應擴散方程) ,通過構造lyapunov泛函獲得其態全局穩定、穩定的一些充分條件。
  2. In this model, we discuss the effect of tax policy on economic growth on the condition of market competitive equilibrium. two chief conclusions are drawn : firstly, when the government has carried out steady tax policies, for consumers there exists unique optimal capital stock path along which economy can grow sostenuto and steadily ; when the tax path given by the government converge to some constant tax rate, there still exists one capital stock path which can make the whole economy grow gradually and converge evenly to the optimal state. secondly, the optimal tax path has turnpike property

    在該模型中,我們討論了在市場均條件下,稅收政策對經濟增長的影響,得到兩個主要結論:一、當政府實行穩定的稅收政策時,消費者存在著唯一的最優資本存量路徑,沿著此路徑經濟能夠持續穩並且最優地增長;當政府給定的稅收路徑不穩定但能收斂到某個常值稅收率時,此時也存在一條資本存量路徑,它能使整個經濟穩地增長,並且最終收斂到最優狀態。
  3. Moreover, under those conditions, the global stability of the positive equilibrium is proved for the two models without delays. iii ) the asymptotic behaviour of the chemostat model with predator - prey populations and delays is studied

    三、研究了單營養食物鏈的恆化器模型的性態,利用波動引理給出了邊界點全局吸引性的充分條件。
  4. Our results imply that mutual interference in a species may result in coexistence of the two competing species and demonstrate that those time delays do not influence the competitive outcome of the organisms. ii ) the asymptotic behaviour of the chemostat model with mutual interference or without mutual interference is studied. for the two models with delay, the uniform persistence of the models are both proved under the conditions of the existence of the positive equilibrium

    二、研究了無種內競爭和有種內競爭的具有階段結構的時滯恆化器模型的性態,對于兩類模型,都在正點存在性的條件下證明了該系統的一致持續生存,對于兩類相應的常微系統的模型,均在正點存在性的條件下證明了該正點的全局穩定性。
  5. According to gaseous " molecular kinetic, the mass diffusion rate is within finite value. so theoretical conclusion of mass flux ' s producing and the essential relation of flux vs. force could be drawn. with the assumption that local density states in near equilibrium and the distribution is gradual changed, the classical first pick ' s law was modified considering mass relaxation time

    根據氣體分子運動論對質量傳播速度為有限值情況下的質量流的產生及流與力之間的本構關系作了理論推導,在假定局域濃度處于態,其分佈為進的情況下得到了考慮質量鬆弛作用的經典fick第一定律的修正式。
  6. For these reasons, we can apply the theory of the model reference self - adaptive control syetem design based on the theorem of balance point stabilization in the force system of asymmetric cylinder controlled by symmetric valve. the main idea of model reference self - adaptive controller is to make the self - adaptive control error incline to zero as time passed. the task to design adaptive controller is to find the control input that can make the output of the controlled system to follow that of the reference model

    因此將基於點穩定定理的模型參考自適應控制系統設計理論應用於閥控非對稱缸力系統中,其基本原理是使自適應控制誤差隨時間的推移而趨向于零,自適應控制器設計的目的是尋找使被控系統的輸出一致的跟隨參考模型的輸出的控制輸入,以此來改善被控系統的性能。
  7. The growth of the both species is of logistic naluf. the mature species - y preys on the mature - x. by using the lyapunov function we obtain the - conditions for globally asymptotic stablility of positive equilibria without harvesting. conditions for global asymptotic stablility of four positive equilibria with harvesting and the threhold of hai vi - sting mature population

    但從目前已知的文獻來看,對于兩個種群同時具有年齡階段結構,且同時對兩個種群進行開發的結果較少,本文通過構逅lyapunov函數,得到了當捕獲率不為零時上述模型存在一個全局穩定的正點的充分條件,也就是說,在一定條件下,種群兄。
  8. In this paper, we present a new alignment method ( lss - dca ) that combines the advantages of the dca method and progressive method, and that balances the speed and the quality better

    在本文中,我們提出了一種新的多序列對齊演算法lss - dca 。 lss - dca結合了dca方法和方法的優點,達到了計算速度和對齊質量的較好
  9. The conditions for being stable at unique positive equilibrium point and for the existence of limit cycle of prey - predator system with sparse effect are analysed. the biological significance is discussed

    摘要對一類具有稀疏效應的食餌?捕食系統,給出了唯一正點全局穩定的充分條件和存在唯一極限環的充要條件等一些定性性質的判別準則及其生態意義。
  10. Based on these definitions, all kinds of the equilibrium points are analyzed in control systems with single saturated input. by the above facts, it is necessary in analyzing globally asymptotical stability of the origin that the other asymptotical stability equilibrium points are false ones

    在此基礎上,論證了單飽和輸入下,開環,閉環均穩定或其一穩定時的點的分佈規律及判別準則最後指出,當原點全局穩定時,其餘非零穩定點均為偽點的必要性。
  11. The results show that the chaotic motions of the bloch wall are suppressed successfully, that is, the new strategy is successful and effective. in a time - continuous dynamical system, a new optimal control scheme is proposed base on the krasovskii theory and is utilized to control the chaos in the newton - leipnik system which has double strange attractors. it is found that the n - l system can converge onto a selected fixed point rapidly and perfectly through asymptotic mode

    在時間連續動力系統方面,基於krasovskii理論本文提出了一種的新優化控制方法,並利用這一方法對一類具有雙奇怪吸引子的newton - leipnik ( n - l )系統進行了混沌抑制,結果表明一旦控制啟動,系統行為能夠迅速穩定於目標點。
  12. In ship steering controller design, the nonlinear ship model should be written in siso strict feedback form. we start the recursive design with the system first state variable and continue with the second one. by introducing a change of coordinates, we choose lyapunov functions to stabilize the system and obtain the control law

    在船舶航向控制方面,考慮船舶的穩態回轉非線性,應用backstepping方法設計:首先把系統化成單入單出的嚴格反饋控制形式(呈下三角結構) ,假設系統后一個狀態變量是前一個狀態變量的虛擬控制,通過適當的變量代換,在每一步構造李亞普諾夫函數,使前一子系統在虛擬控制下穩定,逐步遞推出控制器控制規律,使整個系統在點滿足一致穩定性。
  13. Based on range - partition, this paper proposes an efficient asymptotical algorithm of load balance to insure the storage balance in any time, and demonstrates its validity through theory analysis

    摘要基於范圍分割提出了一個有效的、的負載演算法,可確保在任意時間的存儲,理論分析證明了該方法的有效性。
  14. Single saturated input ; true equilibrium points ; false equilibrium points ; commuting matrices ; stability ; asymptotical stability

    單飽和輸入真點偽點可交換穩定穩定
  15. This paper concentrates on analysis of the relationship of the nearsightedness both to nutrition structure and physical exercise of jinzhou primary school students, hoping to attract attention from students and their parents and relative departments to balance the students diet and increase their physical exercise to protect the children ' s eyes so as to decrease the rising rate of nearsightedness

    從錦州市小學生的實際出發,從營養結構與體育運動等方面加以分析,旨在引起學生、家長及社會有關部門的重視:膳食、增強體育鍛煉、注意用眼衛生,以改善小學生視率逐上升的趨勢。
  16. Firstly, the equilibrium solution is global asymptotic stability and exponential stability on l2 [ 0, l ] under neumann and dirichlet boundary control conditions, control inputs for choosing the boundary control is bounded in lx, the equilibrium solutions decay to zero and integrating the solution square in [ 0, 1 ], it decays to zero exponentially, by using nonlinear boundary control conditions and input feedback control method

    首先,採用非線性邊界條件輸入反饋控制方法,研究得到該類方程在neumann和dirichlet邊界控制條件下的解在l _ 2 [ 0 , 1 ]上是全局穩定和指數穩定的、在所選邊界控制下控制輸入是l _有界的、解隨時間衰減到零以及解的方在[ 0 , 1 ]上的積分按指數方式衰減到零。
  17. The vapour pressure is moving up slowly as the vapour of prz coagulates on uppercooling water surface at first and all the vapour can be coagulated ; with the process of condensation, the vapour pressure between cmt and prz will approach gradually till balance

    凝結剛開始時, cmt汽空間壓力上升比較慢,從prz中來的蒸汽基本上全被過冷水凝結,隨著凝結不斷進行, cmt和prz汽空間壓力逐,直到為止。
  18. Especially, when the isocline of x is monotone decreasing in 0 < x < 1, the svstem has no limit cycle and is globally stable ; next, we construct a saddle bifurcation at the boundary equilibrium and a degenerated bogdanov - takens bifurcation at the interior equilibrium by choosing appropriate parameter values in the following two sections, where our work are based on the theory of central manifolds and normal torms. we prove that is a codimention 3 focus - type equilibrium. system ( 6. 1 ) will have two limit cycles at some appropriate bifurcation parameter values, and have homoclinic or double - homoclinic orbits at some other appropriate bifurcation parameter values ; at last, we study the qualitative properties of the system at infinite in the poincare sphere

    因為系統在( 0 , 0 )點處沒有定義,這給研究其在( 0 , 0 )附的動力學性質帶來了困難,我們應用文獻[ 17 ]中關于研究非線性方程奇點的系列理論和方法,圓滿解決了這一問題,給出了第一象限內當t +或t -時,在全參數狀態下系統的軌線趨于( 0 , 0 )點的所有可能情況,其相圖也得以描繪;並且,系統不存在極限環的幾個充分條件我們也予以列出,當x的等傾線在0 x 1范圍內遞減時,系統不存在極限環,全局穩定;然後,我們以中心流形定理和正規型方法為主要工具,巧妙選擇參數,分別構造了一個余維2的鞍點分岔和一個余維3退化bogdanov - takens分岔,證明了點是余維3的焦點型點,存在參數, m ,的值使得系統( 6 . 1 )有兩個極限環,還存在參數, m ,的另外值使得系統( 6 . 1 )有同宿軌或雙同宿軌。
  19. We extend this result which is similar to ones of hirsch [ 1l ] and jiang [ 2 ] for 3 - dimensional cooperative system. furthermore, in the paper we discusse the cone of km, and obtain the similar result : theorem b : let f be a continuously differentiable cooperative vector field on d, suppose the following conditions hold : ( a ) d is pm - convex ; ( b ) every forward semi - orbit has compact closure in d ; ( c ) there is not more than one equilibrium p, then there is a unique equilibrium p and it is globally asymptotically stable

    此外,本文還將在k _ m錐下討論此問題,並得到行的結果:定理b :設f是d上一個連續可微的合作向量場,假設如下條件成立: ( a ) d是p _ m凸的; ( b ) d中的每一個正半軌道有緊閉包; ( c )至多有一個點p ,則一定存在唯一的點p ,並且是全局穩定的。
  20. Recently, many interesting stability criteria for the equilibriums and / or periodic solutions of delayed neural networks have been derived via lyapunov - type function / functional approaches. this thesis mainly focuses on the local and global / exponential stability for several delayed neural networks

    尤其是時滯神經網路點和周期解的穩定性(包括穩定性、指數穩定性、絕對穩定性等)得到了深入的研究,也出現了一系列深刻的結果。
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