收斂誤並 的英文怎麼說

中文拼音 [shōuliǎnbàng]
收斂誤並 英文
error of convergence
  • : Ⅰ動詞1 (把攤開的或分散的事物聚集、合攏) put away; take in 2 (收取) collect 3 (收割) harvest...
  • : Ⅰ動詞1 (收起; 收住) hold back; keep back 2 (約束) restrain 3 (收集; 徵收) gather; collect; ...
  • : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
  • : 併名詞1. (山西太原的別稱) another name for taiyuan (in shanxi province)2. (姓氏) a surname
  • 收斂 : 1 (減弱或消失) weaken or disappear 2 (約束言行) restrain oneself 3 [數學] convergence; constr...
  1. Based on fractional sampling method, a new super - exponential iteration decision feedback blind equalization algorithm for severely nonlinear phase distortion channels was proposed

    因此針對嚴重頻率衰落和非線性相位失真通道,提出了一種分數采樣的混合盲均衡演算法,獲得了較快的速度和較小的剩餘均方差。
  2. Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created

    神經網路控制是智能控制的重要方式之一,它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法( bp演算法) ,特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報差演算法訓練drnn時取得了較快的速度。其次,應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器,作為引入神經網路控制的設計基礎,建立了系統的模擬模型。
  3. Abstract : the design problem of reduced - order state observer for a class of multi - input multi - output ( mimo ) nonlinear time - varying systems is studied in this paper. a new design method of nonlinear reduced - order state observer is proposed, and the exponential convergence is proved for the proposed state observer. the observer has the characteristics of that the speed of convergence is adjustable. finally, an example is given to show that this approach is effective

    文摘:研究一類多輸入多輸出( mimo )非線性時變系統的降維狀態觀測器設計問題.提出一種非線性降維狀態觀測器設計方案,從理論上證明了狀態觀測差的指數性.其中設計的降維狀態觀測器具有速度可調的特性.最後給出了數值算例,模擬結果表明了本文方法的有效性
  4. In this paper, we expand eigenvalue of poisson equation using bilinear element, by the formulation of the error expanition, we can conclude that it is a upper bound. and by two numerical example, we computer the approximate eigenvalue of poisson equation in square and l - shape domains, then we analyses the approximate eigenvalue. we also extraplate the error expansion and enhance the accuracy of the eigenvalue form the second order to the forth order

    本論文對poisson方程的特徵值採用雙線性元進行展開,得到了差展開式,通過差展開式,我們能得到特徵值是上界。通過數值算例,計算方形與l形區域上的poisson方程的近似特徵值,對數據進行分析,驗證了理論的正確性,然後通過對差展開式外推,級數可以從二階提高到四階,得到了高精度的解。
  5. The mrafc scheme employs a reference model to provide closed - loop performance feedback for generating or modifying a fuzzy controller ' s knowledge base. the adaptive compensation term of optimal approximation error is adopted. by theoretical analysis, the closed - loop fuzzy control system is proved to be globally stable, with tracking error converging to zero

    該方案利用參考模型作為閉環系統的反饋信號來產生、調節模糊控制器的規則庫,通過引入最優逼近差的自適應補償項來消除建模差的影響,不但能保證閉環系統穩定,而且可使跟蹤到零。
  6. Firstly, based on backstepping and the supervisory control strategy, a robust adaptive fuzzy controller is designed for a class of nonlinear systems. the first type fuzzy logic system is used to approximate the unknown part of the process. the adaptive compensation term of the optimal approximation error is adopted

    本文首先針對一類不確定非線性系統,基於backstepping方法,利用監督控制,引入最優逼近差的自適應補償項,利用型模糊邏輯系統逼近系統的未知部分,提出了一種魯棒自適應模糊控制器設計方案,運用李亞普諾夫第二方法,先證明了閉環模糊控制系統全狀態有界,再證明了跟蹤到零。
  7. First of all, the characteristics of different adaptive algorithms and equalizers are theoretically researched. then digital microwave communication system model is build by simulink. based on this model, the convergent behavior and bit error rate performance of three equalizers ( nlms, kalman and rls ) are compared in multi - path fading channel

    為了達到這個目的,首先需要從理論上對各種自適應均衡演算法以及自適應均衡器的特性進行深入研究;然後利用simulink建立接近實際環境的數字微波通信系統,在多徑衰減通道環境下比較了三種基帶均衡器( nlms , kalman和rls )的特性以及系統碼特性,比較了nlms基帶均衡器和通帶均衡器的性能。
  8. In the course of modeling, we present multi - step generalized gradient method and multi - stage curve fitting technique, prove convergence of multi - step generalized gradient method by using differential equation stable theory, analyze the error of multi - stage curve fitting technique by using inner space, creat knowledge base of water network system by using the maximum subordinate principle of and near - select principle of pattern recognition. at last we make the optimal running scheme of water network system based on heuristic search technique of artificial intelligence and global feedback immediate coordination method of large scale system theory

    在建立系統模型的過程中,提出了多步廣義梯度法和多層曲線擬合的建模方法,用微分方程穩定性理論證明了多步廣度梯度法性,用內積空間的有關知識對多層曲線擬合進行差分析;應用模糊數學中的最大隸屬度原則和模糊識別中的擇近原則和人工智慧中狀態空間表示法建立注水系統的知識庫;用人工智慧中的啟發式搜索技術和大系統理論中的具有全局反饋的直接協調法制定注水系統的優化運行方案。
  9. Similar to the famous von - mise condition on the extreme value theory of 1 - max style, the judge condition that absolutely continuous distribution function is in the domain of attraction of p - max style distribution function is given. at the same time, the error inequality between samples and true values is obtained, and almost sure convergence theorems on the extreme value theory of p - max style are also given

    類似於l - max型極值理論中著名的von - mise條件,本文給出了絕對連續分佈函數f落在p - max型極值分佈函數的吸域中的判斷條件,給出了樣本與真值的差不等式,給出了關于p - max型極值理論的幾乎處處定理。
  10. In order to counteract the effect due to the unmodeled perturbation, the h tracking control requires to solve a modified algebraic riccati - like matrix equation. the derived hybrid adaptive - robust tracking control scheme guarantees that all the signals and states are bounded, the tracking error is uniformly ultimately bounded and h tracking performance is achieved

    所提出的控制方案保證跟蹤差在有限的迭代步驟內到任意指定的差區域且一直保持在指定的區域內,而且保證每一迭代步系統信號有界。
  11. Here we consider the choice of the parameter as the norm of the gratitude of the function. we prove under the local error bound condition that the levenberg - marquardt method with this parameter converges quadraticlly to a solution of the system of the equations. and we also present two globally convergent levenberg - marquardt algorithms using line search techniques and trust region approach respectively

    我們提出選取迭代參數為當前迭代點處函數梯度的模,在局部差界條件下, levenberg - marquardt方法依然具有二階性,考慮了線搜索和信賴域技巧的levenberg - marquardt方法,分析了其全局性。
  12. The solution formula of dwell time is deduced by using the pulse iteration method and the smoothing fourier transition method, and the formula can be simplified referring to workpiece shape. according to the anastomotic status of the tool and workpiece surface, we present the new model of the inherent relation among local pressure density, removal rate, convergence ratio and residual errors, and the corresponding formulas are given. the forming cause of the edge effect in the polishing process is analyzed, and the means which reduces the edge effect is put forward

    2 、針對計算機控制光學表面成形( ccos )的加工方式、特點,研製了去除函數呈高斯分佈的雙轉子結構研拋模;採用脈沖迭代法、平滑因子傅立葉變換法推導出駐留時間的演算法,求解過程中根據工件面形的特點作了各種形式的簡化;提出了工件表面和研拋模的吻合差與局部壓強、材料去除率、比之間內在關系的數學模型,推導出相應的計算公式;分析了邊緣效應產生的原因,在加工過程中採用相對壓力因子對去除函數進行修正,可以消除邊緣效應的影響。
  13. In chapter two, we consider the finite volume element methods for nonlinear parabolic problems optimal order error estimates in the h1, l2norms and w1, almost optimal error estimates in l are demonstrated. moreover superconvergence in the error between the approximate solution and the generalized elliptic projection of the exact solution is also shown

    第二章考慮非線性拋物方程的初值問題的體積有限元法,證明了h ~ 1 , l _ 2和w ~ ( 1 , )差估計以及l _最優差估計,而且還得到了近似解和真解的廣義橢圓投影間的超估計。
  14. We expand the eigenvalue of possion equation using wilson nonconforming element. by the formulation of the error expanition, we can not conclude whether it is a upper bound or a lowr bound. but we guess it is a lower bound, and by two numerical example, we find thatwe are right. we also extraplate the error expansion and enhance the accuracy of the eigenvalue from second order to third order

    通過數值算例,計算方行與l行區域上的poisson方程的近似特徵值,對數據進行分析,驗證了我們的推測是正確的,然後通過對差展開式外推,階數可以從二階提高到三階,得到了高精度的解。
  15. This paper studies the nonparametric estimates of general weight function of the nonparametric regression function with fixed design points, when the model error is martingale sequence, and we give the optimal convergence rate under some conditions

    摘要當差為鞅差序列時,研究固定設計點列情形下非參數回歸函數一般權函數的非參數估計,在一些基本條件下給出了估計的一致最優強速度。
  16. The simulation results indicate the capability of genetic algorithm in fast and steady learning of neural networks, guaranteeing a global convergence and overcoming some shortcomings of traditional error back propagation algorithms, meanwhile prove that this neural networks adaptive control structure is effective to many control problems and it is easy for us to programme and employ the method in the practical system

    模擬結果表明遺傳演算法能夠快速穩定地學習神經網路,保證全局西安理工大學碩士學位論文且能夠克服傳統差反傳演算法的一些缺點,也證明了這種神經網路自適應控制結構可以有效解決系統中存在的控制難題,同時編程容易,便於在實際系統中應用。
  17. Then the simulation tests on drum excess water and lack of water were practiced ; the results indicate that : if the network parameters are selected correctly , the training samples can be convergent to a relative small and stable value with a small learning error. some comparisons can be made through sample training under the circumstance of me and the hme, after adopting hme with the tree - style structure, two layers of the gate network can enhance the control of the algorithm system. as a result the precision and stability is improved

    其實驗結果表明:只要合理選取網路參數,本文所編輯的樣本均能於一個較小的穩定值,訓練差也較小,且通過分層與不分層混合專家網路的樣本訓練結果比較可知,採用這個具有樹結構型式的分層混合專家網路,由於其中兩層門網路對系統的控製作用加強,因此樣本訓練的精度與穩定性有所提高。
  18. We construct some new iterative algorithms with errors for solving these generalized fuzzy variational inclusions by using the resolvent operator technique for maximal - monotone mappings and prove the convergence of iterative sequences generated by the algorithms

    為了利用-極大單調映象的預解運算元技巧求解這類廣義模糊變分包含,我們建立了一些新的含差的迭代演算法,證明了由這類演算法產生的迭代序列的性。
  19. One is, based on answering the above open problem on a finite dimensional euclidean space by means of partially ordered theory, to research the existence of solutions, global error bounds of proximal solutions and sensitivity of parametric unique solutions and present a class of variable - parameter three - step iterative algorithms for generalized set - valued variational inclusion problems by using - resolvent operator of set - valued mapping. two is to consider the convexity, closedness and boundedness of the solution set of general set - valued variational inclusion problems and the sensitivity of the parametric solution set by means of graphical convergence theory. three is to discuss directly the existence of solutions by using analytical methods for set - valued mixed quasi - variational - like inequalities and suggest a class of direct variable - parameter three - step iterative algorithms for solving generalized set - valued variational inclusions

    研究分有三個方面:一是藉助于偏序理論在有限維歐氏空間中解決了上述公開問題,在此基礎上利用集值映射的-預解運算元,研究了廣義集值變分包含問題解的存在性、逼近解的全局差界、參數唯一解的靈敏性,提出了一類變參數三步迭代演算法;二是藉助于圖理論研究了一般集值變分包含問題解集的凸性、閉性和有界性以及參數解集的靈敏性;三是用分析的方法直接討論了集值混合擬類變分不等式問題解的存在性提出了一類求解廣義集值變分包含問題的直接變參數三步迭代演算法。
  20. The convergence and stability for the schemes are proved, and the error estimates are obtained. chapter 5, consider the damped coupled generalized nonlinear wave equations. in section 5. 2, by coupled a priori estimates and galerkin method, prove the existence and uniqueness of the global smooth solution for the periodic initial value problem and obtain the existence of global attractors

    第四章,考慮一類具耗散的廣義kdv方程組的周期初值問題,在第二節中證明了整體光滑解的存在性和唯一性,得到整體吸引子;在第三節中構造了半離散和全離散的fourier譜格式和擬譜格式,在整體光滑解存在的條件下,證明了這些格式解的性,得到了差估計。
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