漸近模型 的英文怎麼說

中文拼音 [jiānjìnxíng]
漸近模型 英文
asymptotic model
  • : 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...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • 漸近 : [數學] [物理學] asymptotic; approximation漸近操作(法) evolutionary operation; 漸近點 asymptotic...
  • 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
  1. Asymptotically analysis of the curability nonlinear infectivity model

    分析
  2. Edgeworth expansion of random weighting estimation in semi - parametric regression model

    半參數回歸隨機加權估計的展開
  3. 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(反應擴散方程) ,通過構造lyapunov泛函獲得其平衡態全局穩定、穩定的一些充分條件。
  4. This model has wide - ranging application and simple computing procedure. it avoids the narrow - ranging limitations of slide line method, as well as avoids the complicated computing procedure in the simulation of the gradual breakdown process for the granular structure by fem. its analysis results are identical with those of the practical engineering, this model has engineering application value

    建立了挖掘過程推壓阻力的計算,該適用面廣、計算較簡便,既避免了滑移線適用面窄的局限性、也避免有限元分析對散體破壞過程擬的復雜計算過程,計算結果與工程實際吻合,具有工程實用價值。
  5. 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

    在該中,我們討論了在市場均衡條件下,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平穩並且最優地增長;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,它能使整個經濟平穩地增長,並且最終收斂到最優狀態。
  6. A. teel, d. nesic etc. initially studied iss stabilization of nonlinear sample - data systems of this type in 1998. practical stabilization of nonlinear sampled - data systems based on discrete - time approximation with sufficiently small sampling periods has been studied in recent years. the sufficient conditions have been given for the practical st abilization of the above case

    第三部分:在采樣周期固定的條件下,研究基於似離散化上設計的關于參數t一致的穩定采樣控制器能夠以穩定方式一致鎮定其連續受控系統的條件。
  7. 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,特別是恆化器的研究現狀,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,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穩定性。
  8. 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。
  9. 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。
  10. 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性態,對于兩類,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,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。
  11. The hydrauli c model of gradual dike - break simulates numerically the 2 - d flow of gradual dike - break waves. it shows the variation of flow field on breach, and the complicated flow characteristic of the propagation, diffraction, reflection and deformation of the dike - break waves. the hydraulic model can realistically simulate the burst process of dike, and computational accuracy is satisfied with the engineering demands

    本文建立逐潰堤的水力首次對二維逐潰堤波的流動問題進行了數值研究,揭示了逐潰堤過程中潰口處流場的變化情況,以及潰堤波的傳播、繞射、反射及變形的復雜運動特徵,能較好地擬實際工程中的潰堤失事,擬比較逼於真實潰決過程,計算精度可滿足工程要求。
  12. 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參數的置信域
  13. The principles of erasure codes used under binary erasure channels are summarized and erasure codes which belong to standard classes of rs codes are introduced with emphasis on cascaded low - density erasure codes with linear time encoding and erasure recover algorithms. thresholds of regular degree distributions are analyzed. it is shown that low - density erasure codes based on ( d, 2d ) - regular sequences of degree distribution are not close to optimal ( d 3 ). two pares of irregular degree distribution sequences are introduced and a pare of improved right regular sequences of low - density erasure codes are presented, it is testified that the new sequences are asymptotically quasi - optimal. in the meantime, simulations of cascaded low - density erasure codes based on a few types of special sequences of degree distribution available are given, together with performance analyses on these codes

    闡述了應用於刪除通道下的糾刪碼基本原理,介紹了兩類標準的rs碼類糾刪碼,重點分析了具有線性時間編碼和恢復演算法的好碼?級聯低密度糾刪碼,分析了正則度分佈的閾值,對正則低密度校驗碼在刪除通道下的糾錯性能進行了擬,從理論上證明了基於( d , 2d ) -正則度序列的低密度糾刪碼都不是最優碼( d 3 ) ,同時還分析了非正則低密度校驗碼的度序列設計,基於右邊正則序列提出了一種改進右邊正則序列,證明了此序列為擬最優的,對基於幾類現有典度分佈序列的級聯低密度糾刪碼進行了擬及性能分析; 3
  14. By taking repetitive observations in this paper, parametric estimators are obtained respectively in a simple structural ev linear model and a linear structural ev model with vector explanatory variables

    本文利用重復抽樣的方法,分別給出了簡單線性結構ev和一般線性結構ev中的參數估計,並討論了估計的強相合性與正態性。
  15. 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估計參數,並給出高階的頻域均方誤差;然後,對高階arx進行降階處理。
  16. 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

    因此將基於平衡點穩定定理的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的輸出的控制輸入,以此來改善被控系統的性能。
  17. Asymptotic to semiparametix ev model under missing response data

    性質
  18. Asymptotic testing theory for generalized linear models

    廣義線性中檢驗回歸參數統計量的分佈
  19. Analysis of epidemic model with vaccination and age - structure

    流行病分析
  20. Asymptotic analysis of a sis model with pulse vaccination

    具有脈沖接種的傳染病分析
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