asymptotic model 中文意思是什麼

asymptotic model 解釋
漸近模型
  • asymptotic : 漸近的
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  1. In the light of the recent work in biological models, especially in the chemostat models, the dissertation provides a systematic study on the asymptotical behaviour of some chemostat models built by delay or diffusion differential equations. the main contents and results in this dissertation are as follows : i ) the global asymptotic behavior of the chemostat model with the beddington - deangelies functional responses and time delays is studied. the conditions for the uniform persistence of the competing populations are obtained via uniform persistence of infinite dimensional systems

    本論文基於當前生物學模型，特別是恆化器模型的研究現狀，深入系統的研究了時滯和擴散方程描述的幾類恆化器系統的漸近性態，本文的主要內容包括以下幾個方面：一、研究了具有beddington - deangelies功能性反應函數的時滯恆化器模型，利用無窮維連續動力系統的一致持續生存的理論給出了兩競爭種群一致持續生存的充分條件，利用單調動力學系統得到了系統的全局漸近穩定性。
  2. Finalh. the asymptotic behaviour of the chemostat model with two - nutrient and diffusion is further studied. the global attractivity of the periodic solution is proved under the unique existence of the periodic solution

    然後進一步研究具有周期環境的雙營養擴散恆化器模型的漸近性態，在周期解存在唯一的條件下證明了該周期解的全局吸引性。
  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漸近性態，利用波動引理給出了邊界平衡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漸近性態，對于兩類模型，都在正平衡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，均在正平衡點存在性的條件下證明了該正平衡點的全局穩定性。
  5. Abstract : in this paper, empirical euclidean likelihood ratio statistics are constructed for parametric components in a partly linear model, and its theory asymptotic confidence regions are constructed for parametric components in a partly linear model

    文摘:構造了部分線性模型參數的經驗歐氏似然比統計量，並討論了它的極限分佈，由此可構造部分線性模型參數的漸近置信域
  6. 5. a multivariable process identification based on asymptotic black - box theory is studied. firstly, a high - order mimo arx model and its frequency error bound is estimated from identification data and low - order siso models is obtained from high - order mimo arx model

    作者對一種基於漸近黑箱理論的多變量過程辨識方法進行了研究：首先用高階arx模型估計模型參數，並給出高階模型的頻域均方誤差；然後，對高階arx模型進行降階處理。
  7. Asymptotic to semiparametix ev model under missing response data

    模型的漸近性質
  8. Asymptotic analysis of a sis model with pulse vaccination

    具有脈沖接種的傳染病模型的漸近分析
  9. Asymptotic analysis of an age - dependent sir epidemic model

    流行病模型的閾值分析
  10. An asymptotic analysis of an infection - age - dependent sir epidemic model with nonlinear infectivity

    一類特殊流行病的動力模型和動力性狀分析
  11. In conclusion, the rationality and effectiveness of the constitutive model applied in the paper are verified through theoretical analyses and corresponding numerical calculations to provide a feasible method for final solutions of the problems of the asymptotic crack - tip field, as well as. theoretical references for solutions of the difficult problems encountered in engineering practices

    總之，通過理論分析和相應的數值計算，驗證了本模型的合理性和有效性，為最終解決裂紋尖端漸近場問題提供一種可行的方法，並且對于解決工程實踐中所遇到的難題提供理論上的參考依據。
  12. Under the condition that the error terms are i. i. d. the asymptotic behaviors of the conditional solution and unconditional solution of carr model are investigated in this paper

    摘要在誤差項獨立同分佈的條件下，本文討論了條件自回歸極差模型條件解和無條件解的漸近性質。
  13. Asymptotic solution of expected discounted penalty in the compound binomial model

    離散時間模型下的罰金折現期望的漸近解
  14. In this paper, the limit theory is discussed and the main problems are solved as followed : 1. we will obtain asymptotic normality and consistency of mle for agarch model introduced by wu shuosi and fang zhaoben ( 2000 ). 2

    對于吳碩思和方兆本（ 2000 ）提出的非對稱廣義自回歸條件異方差新模型，證明了它的極大似然估計（ mle ）的漸近正態性和相合性。
  15. This paper studies mainly the theories of the semi - parametric regression model : ( 1 ) under proper conditions, using random weighted way to the estimator of the error density f ( x ) of the semi - parametric regression model, this paper proved the strong and weak consistent and the asymptotic unbiased property of the weighted kernel estimation fn1 ( x ) of the f ( x )

    本文對半參數回歸模型：主要做了以下三個方面的理論研究： （ 1 ）將隨機加權法應用到半參數回歸模型的誤差密度f （ x ）的估計當中去，在適當的條件下，證明了誤差密度的加權核估計（ ? ） _ （ n1 ） （ x ）的強相合性、弱相合性及漸近無偏性。
  16. Furthermore, asymptotic techniques to analyze large hartmann parameter flow and interaction parameter flow are employed and an analytical model has been developed for the calculations of mhd pressure drop of liquid metal flow in a packed pebble bed

    利用漸近線分析法對大hartmann參數流進行分析，給出了球床液態金屬溢流的磁流體動力學壓力損失的建模分析和計算結果。
  17. Asymptotic solutions of the relaxation oscillations in the revised oregonator model of the belousov - zhabotinsky

    反應修正的俄勒崗模型的弛豫振蕩的漸近解
  18. Secondly, we study the asymptotic behavior of the global spherically symmetric smooth solutions to the initial boundary value problem for the multidimensional model for semiconductors in the exterior domain, i. e., we prove that the solution of the problem converges to a stationary solution time asymptotically exponentially fast. this result was published in the journal of henan university ( natural science, 4 ( 2003 ) )

    其次，研究在外部區域上的高維流體動力模型初邊值問題:證明了該問題的解依指數形式收斂到對應穩態問題的解，這一結果已發表在河南大學學報（自然科學版） 2003年第四期上。
  19. Next we study the logistic model with both state - dependent delays and continuous delays and feedback control. with the help of coincidence degree theory, some new results for the existence of the postive periodic solution of the system are obtained. also, by constructing suitable lyapunov functional, some sufficient criteria for the uniqueness and globally asymptotic stability of positive periodic solution are established

    第二部分研究同時具有狀態依賴時滯和連續時滯的反饋控制logistic增長模型，利用重合度理論研究其正周期解的存在性問題，得到了該系統周期正解存在的充分性條件；通過構造適當的lyapunov泛函得到保證該系統存在全局穩定周期解的充分性條件。
  20. This article penetratively analyses the locally asymptotic stability of equilibrium state to the single - variable system of the tumor immunity surveillance model by aid of the ordinary differential equation stability theory

    摘要用嚴格的常微分方程穩定性理論，對腫瘤免疲監視模型的單變量系統平衡態的局部漸進穩定性做了深入分析。
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