非數值的演算法 的英文怎麼說
中文拼音 [fēishǔzhídeyǎnsuànfǎ]
非數值的演算法
英文
nonnumeric algorithm- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 數 : 數副詞(屢次) frequently; repeatedly
- 的 : 4次方是 The fourth power of 2 is direction
- 演 : 動詞1 (演變; 演化) develop; evolve 2 (發揮) deduce; elaborate 3 (依照程式練習或計算) drill;...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
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For a class of quadratic finite element diseretization systems of an elliptic boundary problem with jump coefficients under the unstructured quadrilateral grids, we are concerned with two kinds of quadratic lagrangian finite element equations, by analyzing the relationship between the linear finite element and quadratic finite element basis functions, a hew amg method is designed
摘要針對一類帶間斷系數的橢圓邊值問題,在非結構四邊形剖分下,討論了兩種二次拉格朗日有限元方程的代數多重網格法,通過利用雙線性元和二次元基函數之間的表示關系,給出了一種新的網格粗化演算法和構造提升運算元的代數途徑。Secondly, the mixed h2 / h control is formulated as a game problem of incomplete information, a suboptimal 2x2 non - zero game model is constructed, where two channels are chose as players and h2 and h control are pure strategies, and an algorithm for mixed h2 / h control, which is based on the nash ' s bargaining theory, is derived to achieve the nash equilibrium point. finally, handling stability, ride comfort and steering handiness are related with vehicle suspension system and electrical power steering
其次,基於對策論把h _ 2 h _混合控制問題抽象為兩個對局者信息不完全情況下的非零和博弈模型,在以次優范數值構造的2x2非零和博弈模型中把兩類通道作為參加博弈的兩方,以h _ 2和h _控制方案作為兩種純策略,基於納什談判解原理設計出求解h _ 2 h _混合控制問題納什均衡點的演算法。Using the approximate ability to nonlinear function of neural networks, the adaptive frame of identification and controller are constructed. and the formula of jacobin matrix for unknown systems is given, which is used to train the neural networks controller in closed systems
總結了bp神經網路的基本理論,把基於非線性數值優化技術的leven - marquardt方法用於bp網路辨識器和控制器的訓練,模擬結果表明該演算法性能遠遠優于標準bp類演算法。Third, based on the non - linearity feature of the system, the lmf algorithm is given by using the non - linearity least square optimal method. the simulating results show that the accuracy of the algorithm approaches the cramer - rao - bound. finally, the radial based function network localization algorithm is present for bistatic sonar
為了克服lmf演算法在進行迭代時依賴于初始值的缺點,根據人工神經網路在求解非線性問題方面的特點,提出了用徑向基函數網路方法來進行雙基地聲吶定位的優化演算法。Present a modified particle filter ( pf ) algorithm based on the los / nlos binary state information of propagation environment using the numerical method of the probability density function ( pdf ) about the hybrid noise. the key idea is using numerical method to calculate the hybrid noise pdf, and integrating binary environment information to get filtering result
2 .給出了應用粒子濾波器改進直達波與非直達波混合環境中移動終端跟蹤性能的新演算法,特色是利用數值方法計算混合噪聲密度函數,結合二元環境信息完成濾波估計。This thesis gives a brief account of the basic theories of software engineering and computer graphics, of the data structure of individual component modeling, of the design of the software structure and of the method of realizing software. meanwhile, this thesis put more emphasis on the exploration of the arithmetic of the delaunay triangle network, nurbs curve integration, the filling - in arithmetic of triple - tree, and the arithmetic based on the scan - line arithmetic and the filling - in of complex section
文章介紹了關于軟體工程學與計算機圖形學的基本理論及其各組件模型的數據結構、軟體結構設計與軟體實現的技術方法,並重點討論了基於約束條件的delaunay三角網格化演算法、 nurbs (非均勻有理b樣條)曲面擬合、三叉樹等值線填充演算法和基於掃描線的復雜剖面填充演算法。The equations of the mean value functions and the covariance functions are established for dynamical systems whose inputs are fuzzy stochastic processes. an existence and uniqueness theorem of ito fuzzy stochastic differential equations is proved, some explicit representations of solutions and the equations of statistical characteristics are deduced for linear fuzzy stochastic differential equations, and numerical methods to nonlinear fuzzy stochastic differential equations are proposed, the conditions for stability and observability of fuzzy linear systems are derived. the kalman filter algorithms of linear fuzzy stochastic systems are brought forward
主要成果包括:提出了模糊隨機變量協方差和反向協方差的概念;研究了二階模糊隨機變量的均方收斂性,並在此基礎上得到了均方模糊隨機分析、平穩模糊隨機過程及其譜分解的若干定理;根據均方模糊隨機分析理論,得到了輸入為模糊隨機過程的線性系統的輸出輸入統計特徵關系方程;證明了ito型模糊隨機微分方程解的存在唯一性,並給出了ito型線性模糊隨機微分方程解的表達式,統計特徵方程以及非線性模糊隨機微分方程的數值解法;得到了模糊線性系統的穩定性和可觀性條件、線性模糊隨機系統統計特徵方程和線性模糊隨機系統的kalman濾波演算法;研究了當觀測值是模糊數據時,線性回歸模型的建立。The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation
本論文以mnls孤子作為光纖飛秒孤子的模型,通過新近建立的mnls孤子直接微擾理論,研究光纖中由拉曼效應引起的飛秒孤子在傳輸中的自頻移,以及通過頻率濾波對自頻移的抑制。為此,首先給出描述mnls孤子的各物理量,然後用mnls孤子直接微擾理論,解析地得到這些問題絕熱近似下的孤子參數演化,並由此選擇頻率濾波的參數,最後用分步傅里葉方法,在對非線性項微商的演算法做出了適合於mnls孤子的改善後,對拉曼效應及頻率濾波進行了直接數值模擬,其中頻率濾波參數用微擾理論確定。At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +
首先改進了虹膜預處理方法,實現了一種快速高效的虹膜質量評價演算法;設計了一種改進的兩步虹膜定位演算法,準確的定位了虹膜的內外邊界;利用坐標轉換和編碼的循環移位實現了對虹膜圖像的配準;利用雙三次樣條函數擬合虹膜圖像背景,去除了非均勻光照對虹膜識別的影響;使用二分樹復數小波方法增強了虹膜圖像的對比度;在識別演算法方面,本文設計了一種「基於小波模極值點位置的虹膜識別演算法」 。Since the linear or nonlinear electromagnetic field equations can be written as an infinite - dimensional hamiltonian system, whose solution can be viewed as a hamiltonian flow in the phase space which preserves the symplectic structure in the time direction. such important features should not be neglected during the construction of numerical methods for the field equations
由於線性或非線性的電磁場方程可以轉化成無限維的hamilton系統,其結果可以看作是定義在相空間里的時間上保持辛結構的hamilton流,因而在對場方程構造數值演算法時就不應忽略這樣重要的性質。In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size
本文根據粒度圖像的特點,採用非線性對比度增強處理改善顆粒顯微圖像的對比度;對多種閾值分割方法進行比較,分析了它們的性能和用於粒度圖像的適用性,在此基礎上提出了一種基於梯度圖像的動態閾值分割方法;對獲取的顆粒二值圖像進行形態濾波和空洞填充,設計了識別演算法去除凝聚體;對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法;提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數,對珍珠粉等粉體粒度進行了測量。2. nonlinear source term identification problem about a quasilinear parabolic heat equation is investigated. for the given function determined, the existence and the uniqueness of the solution of the state equation are proved and the dependence of the solution of the state equation on the identification parameter is discussed ; then the identifiability is verified ; through choosing suitable basic functions, the above identification problem can be transformed into a constant coefficients identification problem ; and an practical iterative algorithm for solving the identification problem is presented, the feasibility and validity of the algorithm is verified by the numerical experiments
2 、研究一擬線性拋物型熱傳導方程非線性未知源項的識別問題;對于給定識別函數,論證了狀態方程解的存在惟一性、方程解與識別函數的依賴關系和可識別性;通過選取適當的基函數,把對非線性源項的識別轉化成常系數識別問題;給出了實現非線性源項識別的迭代演算法,通過數值實驗證明了演算法的有效性。We use rac ( radial alignment constraint ) of imaging process to decompose camera parameters. by organizing the solving sequence of the parameters rationally, we can obtain all parameters through solving systems of linear - 3 - abstract equations. accordingly we have changed the situation that ? he former camera calibration rac methods should depend on the non - linear optimization and has strict requirement to illumination, the situation that the calibrating distance is too short
演算法考慮到攝像機模型中的一階徑向畸變,巧妙地利用成像過程中的徑向約束( rac )分解攝像機參數,同時通過合理地組織參數的求解次序,使得經由求解線性方程組就可以得到全部的攝像機參數,從而改變了以往攝像機rac標定方法依賴于非線性優化,以及對光照條件要求嚴格和標定測定距離短的情況,使得rac方法較以往的演算法更為精確、快速、簡便,並且更加具有推廣價值。2. aiming at derivative security with nonlinear payment function and the “ fat tails ” in the financial data, we induce the definitions of var in chapter 5 and discuss its characters from both the cash value and the returns ratios as a random variable. moreover, we deliberate the algorithm of var in detail and the advantages & disadvantages of the various algorithms
2 .針對具有非線性支付函數的衍生產品以及金融數據明顯的「厚尾」現象,本文第五章對風險價值( var )分別從現金價值和收益率作為隨機變量兩方面進行歸納定義,討論了var的性質,並詳細研究了var的演算法及各種演算法的優缺點。Under appropriate conditions, we obtain the global and superlinear / qudratic convergence of the method. the reported numerical results show that the proposed method performs well for the test problems
數值計算結果表明,我們的演算法對普通非線性方程組有良好效果,但優勢在求解病態方程組時表現得更為明顯,是解非線性方程組一種行之有效的方法。The algorithm problem of solving the nonlinear operator equations f ( x ) = 0 in banach space has been one of the most interesting problems for many numerical scientists for a long time. at present time one of efficient algorithms to solve this problem is the iterative method. the king - werner method is a efficient one for solving the nonlinear equations
求解banach空間中非線性方程組演算法問題,一直是數值工作者感興趣的問題之一,迭代法是求解次類方程的一個重要演算法同,解非線形方程組f ( x ) = 0的king - werner迭代法是一個計算效率較高的演算法。Then nonmonotone trust region algorithm is given and global convergence is proved. thirdly, based on complementary conditions and ncp theory, the minimax problem is transformed into nonsmooth equation. we introduce an numerical algorithm relating with splitting function method
基於互補條件和ncp函數理論,將minimax問題轉化為一非光滑非線性方程組,利用分裂函數的思想,構造了一種新的演算法,並給出數值試驗和收斂性證明。By theoretical analysis and numerical experimentation, the genetic method for large scaling multi - apex and no smooth mixed integer nonlinear programming can get a good global solution, and it is better than other algorithms used to resolve in the feasibility, stabilization and convergent speed of the solution
理論分析及數值試驗表明:該演算法對大范圍、多峰、非光滑混合整數規劃問題有較好的全局求解能力,在解的精度、穩定性和收斂速度等方面優於一般的求解混合整數非線性規劃的演算法。The internal damping forces and the nonlinear elastic forces in the analytical form are deduced from the kelvin. voigt viscoelastic model. a smart method basing on the concept of period number is proposed for evaluating periodic solutions of the nonlinear system and determining the periodic. doubling bifurcation points
( 2 )建立了一個4dof單跨彈性轉子在非線性油膜力、非線性內阻力和非線性彈性力作用下的非線性動力學模型,提出了求周期解的數值計算方法,以及計算周期解周期數及分岔點的演算法。First, robust eigenstructure assignment, eigenstructure assignment is an effective method for output decoupling of mimo system. here, we first design an objective function in term of desired location of close - loop eigensvalues, achievable structure of close - loop eigenvectors and the unstructured time - varying parameter perturbations in system matrix
特徵結構配置對于mimo系統的解耦控制是一種很有效的方法,本文提出的演算法是:設計一個性能指標函數,綜合考慮特徵向量的接近程度,未被配置的特徵值的穩定性及系統的非結構型擾動。分享友人