迭代性質 的英文怎麼說
中文拼音 [diědàixìngzhí]
迭代性質
英文
iterative nature- 迭 : Ⅰ動詞(輪流; 替換) alternate; change Ⅱ副詞1 (屢次) repeatedly; again and again 2 (及) in tim...
- 代 : Ⅰ動詞1 (代替) take the place of; be in place of 2 (代理) act on behalf of; acting Ⅱ名詞1 (歷...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
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The stability is influenced, for example, by the changeability of the user interface and the quality of the decomposition of the system in projects or iterations
穩定性會受到影響,例如,用戶界面的易變性和項目或迭代中系統分解的質量。For obtaining the numeral solutions of round elastic plates in axisymmetrical deformation with varying - thickness in nonlinear deformation in the unsteady electromagnetic field and mechanical field, by establishing the equations of motion, the equations of distortion, the equations of lorentz force, the equations of electronic dynamic mechenical, and adopting iterative method, we gained the nonlinear magneto - elastic calculation method and outcome of current - carrying shell, and gained the influencing degree toward mechanical parameter of varying thickness round ferreous plates in the electromagnetic field and mechanical field
摘要為了獲得內邊界固定的環形導電薄板在均布力與橫向磁場作用下的變形問題的數值解,通過建立運動方程、變形方程、電動力學方程和洛侖茲力方程,運用迭代法得出了載流板殼的非線性磁彈性的計算方法和結果,以及機械場、電磁場對鐵質變厚度圓板各力學參量的影響程度。In chapter 3, 1 consider the nonlinear parabolic equation : where a bounded domain with smooth boundary in ; v is outward normal vector on is a positive function satisfying some compatibility conditions focus my attention on the case of m > 1, to obtain the blow - up conditions of the positive solution using the method of subsolution and supersolution
運用緊致性原理及moser迭代得到了解的整體存在性和解的熄滅性質。第三章討論了如下形式的非線性拋物方程:其中m , , 0 , r ~ + ,為r ~ n ( n 1 )中的有界域,具有適當光滑的邊界( ? ) ; v是(Iterative physical optics is extended to the analysis of electromagnetic scattering by dielectric coated targets. the theoretical model of the extended ipo is formulated by fresnel reflection coefficient. it is applied to analyze the scattering by geometrically simple, electrically large, dielectric coated cavities
將迭代物理光學( ipo )法推廣到非完純導體邊界目標的電磁散射特性分析中,建立了具有阻抗邊界的ipo理論模型,並應用這種推廣的ipo方法分析幾何結構簡單的電大尺寸介質塗敷腔體的電磁散射特性。A new image quality assessment criterion is suggested on the basis of the statistical features of the gray - level histogram of images to control the iterative procedure of the proposed image enhancement algorithm
同時為了結束迭代增強,基於圖像灰度直方圖分佈的統計特性,提出了一種客觀的圖像質量評價指標。In latter part of chapter three, some exciting properties of the revised lagrangian function discussed first, which leads to form a dual algorithm of cora or cot. convergence theorem proved by banach perturbation theorem, bertsekas implicit function theorem ii and by analyzing hesse matrix of revised largrangian function
另一類是構造相應的lagrange函數及其一種對偶演算法的迭代格式,討論了修正lagrange函數的性質,並藉助banach擾動定理及bertsekas第h隱函數定理,及對修正lagrange函數hesse陣分析,證明了該演算法的收斂性After then, a new method of solving the minimal cuts of s - coherent tree based on bdd and prime number was given in the qualitative analysis of fta based on bdd, the prime implicant sets of non s - coherent tree was calculated by an iterative method
再次,在基於bdd的故障樹定性分析研究中,提出並實現了基於bdd和素數法相結合的單調關聯故障樹最小割集求解的新方法,用迭代法實現了非單調關聯故障樹質蘊含的求解。The second chapter sets forth the theorem basis of fractal image compression. by researching the property of iterate function system in metric space, two basic theorems are brought outthe fixed - point theorem of contract mapping and collage theorem. in the third chapter, fractal image compression method based on block partition is discussed and implemented
接著在第二章中闡述了分形圖象壓縮的理論基礎,通過對完備空間中迭代函數系統性質的研究,提出了分形圖象壓縮的兩個基本定理:壓縮映射的不動點定理和拼貼定理。In chapter two, under non - lipschitz condition, the existence and uniqueness of the solution of the second kind of bsde is researched, based on it, the stability of the solution is proved ; in chapter three, under non - lipschitz condition, the comparison theorem of the solution of the second kind of bsde is proved and using the monotone iterative technique, the existence of minimal and maximal solution is constructively proved ; in chapter four, on the base of above results, we get some results of the second kind of bsde which partly decouple with sde ( fbsde ), which include that the solution of the bsde is continuous in the initial value of sde and the application to optimal control and dynamic programming. at the end of this section, the character of the corresponding utility function has been discussed, e. g monotonicity, concavity and risk aversion ; in chapter 5, for the first land of bsde, using the monotone iterative technique, the existence of minimal and maximal solution is proved and other characters and applications to utility function are studied
首先,第二章在非lipschitz條件下,研究了第二類方程的解的存在唯一性問題,在此基礎上,又證明了解的穩定性;第三章在非lipschitz條件下,證明了第二類bsde解的比較定理,並在此基礎上,利用單調迭代的方法,構造性證明了最大、最小解的存在性;第四章在以上的一些理論基礎之上,得到了相應的與第二類倒向隨機微分方程耦合的正倒向隨機微分方程系統的一些結果,主要包括倒向隨機微分方程的解關于正向隨機微分方程的初值是具有連續性的,得到了最優控制和動態規劃的一些結果,在這一章的最後還討論了相應的效用函數的性質,如,效用函數的單調性、凹性以及風險規避性等;第五章,針對第一類倒向隨機微分方程,運用單調迭代方法,證明了最大和最小解的存在性,並研究了解的其它性質及在效用函數上的應用。The two - stage modeling method takes into account the characteristics of software project risk management and software metrics data, integrates qualitative knowledge and quantitative data. to study the software project iterative process risk ’ s bayesian network model, the definition of cyclic bayesian network is presented, probability convergence property of directed cycle in cyclic bayesian network is proved and probability inference method is put forward
論文在軟體項目迭代過程風險的貝葉斯網路模型研究中,定義了有環貝葉斯網路,證明了有環貝葉斯網路中有向環的概率收斂性質,給出了有環貝葉斯網路的概率推理方法。In numeral simulation of passive neutron detection, it is proposed to use the iterative calculation in analyzing the neutron multiplication in nuclear warhead. on this basis, the mass of the plutonium pit could be obtained under some conditions
在被動中子探測數值模擬中,提出在確定了核彈頭的泄漏中子計數后,採用迭代方法計算中子在核彈頭模型中的增殖,由此在一定條件下可實施核彈頭質量屬性的反演。Quark medium is regarded as non - harmonic oscillator model, discussing its response to su ( 2 ) non - abelia field, the perturlation expansion method is used to find the first, second and third order approximate solutions to the response equation, and some nonlinear features of the response are preliminarily displayed
將夸克介質視為非簡諧振子模型,討論了它對su ( 2 )非阿貝爾場的響應,採用微擾迭代法解出了方程的一、二、三級近似解,初步得出了這種響應的一些非線性特徵Then, the auxiliary fields fdtd is used to the periodic structure made of dispersive material, such as the pyramid absorbers in anechoic chamber. the permittivity vs frequency property of the absorber is approached by some dispersive equation model, such as debye model and lorentz model, so the broadband response of the absorber can be gotten through one calculation
然後將輔助場fdtd應用到色散媒質周期結構中,導出了色散媒質中的迭代式,並以暗室吸波材料陣列為例進行計算,提出用某一類型的介電常數色散函數(如debye型、 lorentz型等)來逼近材料的介電常數頻率特性的方法,從而可以對吸波材料進行一次性寬頻計算。The use of tikhonov regularization theory was to solve ill - posed problem of image reconstruction and the use of sirt algorithm was to improve the quality of the final reconstructed image
為了克服圖像重建中的不適定性問題,利用tikhonov正則化原理進行初始圖像重建。 sirt演算法則用來對初始重建圖像進行迭代改善以獲得最終重建圖像,改善了重建圖像的質量。On one hand, from the technique of constrained least squares and limited energy of additive noise, an effective restored approach by adopting regularization method to overcoming ill - posed problem, solving an equation with a single variable, and using space iterative algorithm is proposed ; on the other hand, aiming at the restoration of blurred image, another effective restoration approach based on least - square algorithm is also proposed in this paper. this method firstly adopts increment iterative algorithm to improve convergence and meanwhile applies regularization technique to overcome ill - posed problem. in the computations, the regularized parameter has its adaptive character, which can be determined in terms of the restored image at each iteration step therefore automatically correct to the appropriate value
一是從約束最小二乘出發,在加性噪聲能量有界的前提下,採用正則化方法來克服病態問題,通過解一個單變量方程,並利用空域迭代運算實現了一種有效的圖像復原;二是針對模糊圖像的復原問題,從最小二乘演算法出發,採用增量迭代的方法改善演算法的收斂性,同時結合正則化技術克服問題的病態性質,並引入自適應的正則化參數,使其與圖像復原的迭代運算同步進行並自動修正到最優值。This paper considers the ilc from an adaptive control viewpoint. two kinds of new algorithm are proposed for ilc of essential nonlinear systems, which avoid some drawbacks and restricted assumptions of traditional ilc, based on lyapunov stability theory and backstepping technique of nonlinear system
本文利用自適應理論設計迭代學習控制,基於lyapunov穩定性理論,結合本質非線性系統的backstepping設計方法,提出了兩類本質非線性系統的迭代學習控制新演算法,這些演算法克服了傳統迭代學習控制的許多缺陷,放鬆了傳統演算法的一些限制性假設。( 2 ) based on the wave equation in the acoustic fluid space and the theory of thin - wall structure, the non - symmetrical coupled structure - acoustic dynamic equation without damping is studied. the non - symmetric system of the finite element model for coupled structure - acoustic response is solved by the conjugate subspace iteration method
由聲空間波動方程和薄板理論出發,對聲場?結構耦合系統的模態分析提出了有限元數值方法,採用共扼子空間迭代法對非對稱特徵方程進行處理,採用靜凝聚法消除質量矩陣的奇異性。In view of characteristics of seismic data of gobi - sand dune areas, this paper, through various data - processing means such as quality control, high - pass filltering, dip angle filltering, field static correction, surface consistency deconvolution, precise velocity analysis, denoising before stack, multiple iterative operation of residual static correction, denoising after stack and modification after shift, has raised the data quality of seismic profiles in low signal - to - noise ratio areas and managed to form the seismic data - processing technique for such complex areas as gobi, foreland and dune
摘要針對戈壁、沙丘地區地震資料的特點,通過對原始資料進行質量控制、高通濾波、傾角濾波、野外靜校正、地表一致性反褶積、精細速度分析、疊前去噪、剩餘靜校正多次迭代、疊後去噪和偏後修飾等處理,提高了低信噪比地區地震剖面的資料質量,摸索出了一套戈壁、山前、沙丘等復雜地區地震資料處理技術。To improve the performance of the traditional icp method for the large data models of mesh watermarking, this thesis develops a new icp variant based on the framework of mesh multiresolution analysis. the author presents a novel method for acquiring the initial approximate transformation in terms of the distribution feature of points around the centroid
為避免迭代落入局部而非全局最優解,本方法利用網格的多解析度表示特性和網格上點到質心距離分佈的特徵信息,快速有效地確定初始矩陣。Iterative learning control ( ilc ) is a technique for improving the transient response performance of systems or processes that operate repetitively over a fixed time interval. it refines the next control input using the information such as current control input and error signals after each trial until the specified desired trajectory is followed to a high precision
迭代學習控制針對具有重復運行性質的被控對象,利用對象以前運行的信息,通過迭代的方式修正控制信號,實現在有限時間區間上的完全跟蹤任務。分享友人