iterative algorithm 中文意思是什麼
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Parallel iterative algorithm for solving the cubical equation
求解雙曲型方程的隱式差分方程的并行迭代法 -
Then discusses its properties, such as biased property, relative efficiency of generalized variance and superiority comparisons between generalized ridge estimation and generalized least squares estimation. shows iterative algorithm based on the mean dispersion error
該估計雖然具有偏崎，但其估計精度具有良好的性質，如：有偏性、方差一致最優性、相對于廣義最小二乘估計的廣義方差效率、 mde ? ?有效性等。 -
An iterative algorithm of solving generalized optimal set of discriminant vectors based on perturbation
基於擾動方法的廣義最佳鑒別矢量集求解的一種迭代演算法 -
An iterative algorithm for the generalized optimal set of discriminant vectors and its application to face recognition
求解廣義最佳鑒別矢量集的一種迭代演算法及人臉識別 -
We analyze the assembly model and propose a mathematics model and tree - representing model of the assembly who not only has a small data size, but also can be manipulated easily. this thesis not only gives the virtual representing concept the instance representing one, but also defines the concept of assembly constraint such as coupling, being alignment, being coaxial and being equidirectional. based on such concepts, a revised newton - raphson iterative algorithm is proposed, which can deal with the singularity and ill - condition of jacobi matrix
首先分析了裝配體的模型問題，提出了裝配體的數學模型及樹形式表示的裝配體表示模型，模型具有數據量小、操作簡單的優點：文章對所涉及的約束諸如耦合、對齊、同軸、同向的裝配體位置描述概念進行了定義，引入了裝配約柬概念，從而提高了裝配設計效率；在此基礎上，文章討論了裝配約束的求解方法，提出了newton rapson迭代法的改進演算法，使得系統能更好地處理jacobi矩陣的奇異和病態的情形。 -
Especially, to solve the functional heated calculation, which is the core work of boiler project analysis, the dissertation contributes a sequential modular iterative algorithm by referring to the theory of process system simulation
其中，本文基於過程系統模擬理論，對鍋爐方案分析活動中最為重要的功能性熱力計算提出了一種序貫模塊迭代的新演算法。 -
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。 -
To solve the equation instead of iterative algorithm with an indispensable initial value, the theory of extracting isocurve in two - dimension scalar field is used
利用該演算法可以求出任意浮態下的船體與水線面的交線。 -
The iterative algorithm of the 3d unstable temperature field which takes the effect of water pipe cooling into account has been studied, and some skills about determining the nodes and elements of water pipes are also given
研究了考慮水管冷卻效果的不穩定溫度場的迭代演算法，給出了確定水管結點、單元信息的沿程搜索技巧。 -
As for single objective optimization algorithm, a fast iterative algorithm based on conjugate gradient algorithm is presented, which makes use of extent limit of iterative optimization step in conjugate gradient with the idea of least square
在標量優化圖像重建法中，作者以最小二乘為目標，利用共軛梯度法中迭代最優步長的區間性，提出了一種基於共軛梯度法的快速迭代演算法。 -
Based on " the simplified method to analyze soil - pile - raft interactions ", this article considers the raft rigidity of foundations and constructs an iterative algorithm to satisfy the concerted deformation
本文以樁筏基礎簡化共同作用分析方法為基礎，考慮筏板剛度對下臥層附加應力的影響，構造滿足地基基礎間協調變形的迭代演算法。 -
Subsequently, the thesis improves the simplified method, and puts forward an iterative algorithm to consider the influence by raft rigidity to substratum settlement and stab deformation. then, numeric examples are calculated to testify its validity. finally, the application of the method is introduced on a factual project and differences between the simplified method and the improved method are discussed
在此基礎上，本文改進了簡化共同作用分析方法，提出了考慮筏板剛度對下臥層沉降的影響和樁端刺入變形，滿足樁?土?筏位移協調的共同作用迭代分析演算法，並通過數值算例驗證了該演算法的有效性。 -
Chapter 4 : the influence of different phase - shifting angle of reference wave in recording, of the phase - shifting error and of the quantization error on the quality of the reconstructed image is investigated respectively in two - step phase - shifting inline digital holography. and an effective method of eliminating the phase - shifting error is presented, in which the summation of the intensity bit errors of the reconstructed image is taken as an evaluation function for an iterative algorithm to find the exact phase - shifting value. the feasibility of this method is demonstrated by computer simulation
通過數值分析不同相移角的選取對再現像的強度誤差的影響，發現再現像強度誤差依賴于記錄時相移角的選取，當相移角在一定范圍內，其再現像的強度誤差相對較小；提出了一種有效消除相移誤差的新方法，並將其應用於二步同軸相移數字全息，對此進行了計算機模擬，得到了很好的結果，證明該方法對于相移誤差的消除是很有效的；對量化誤差所作的數值模擬發現，當信號被量化成8比特（ bit ） ，即256個灰度級以上，量化噪聲的影響相對較小。 -
The main disadvantage of iterative algorithm is its slow speed and the time cost of image reconstruction is directly proportional to the number of projections and the size of reconstruction image
迭代重建法最大的缺點是速度慢，其花費時間同投影數的多少以及重建圖像的大小成正比。 -
In industry application, however, incomplete projections can only be obtained, so the situation is not appropriate to the transformed imaging technique and then the iterative algorithm has to be applied so that better reconstructed image can be got
然而在工業應用中，一般得到的是不完全投影數據，其數量和結構往往無法達到解析成像技術要求的條件，因此為得到較清晰的圖像，必須採用迭代重建法。 -
A fast and real - time algorithm to obtain some vectors of the projection matrix is proposed in this dissertation to solve the conflict of time cost by matrix obtainment and memory occupied by matrix, and speed the iterative algorithm
作者根據扇形掃描幾何的對稱性和重疊性，提出了一種快速實時獲取投影矩陣分量的方法，較好地解決了獲取投影矩陣所需速度和存放其所佔內存空間的矛盾，提高了迭代重建演算法的速度。 -
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。 -
Rockburst forecast based on asynchronous iterative algorithm
基於異步迭代演算法的沖擊地壓預測 -
Design of diffractive optical elements by step iterative algorithm
採用分步迭代演算法設計製作衍射光學元件 -
An incrementally - iterative algorithm with constant stiffness, which combines step - by - step time integration scheme with unbalanced load transfer method, is employed in numerically implementing of the proposed constitutive model
在模型本構關系的數值實施中，採用將時域逐步積分格式與不平衡荷載轉移法相結合的增量?常剛度迭代演算法。
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