numerical stability 中文意思是什麼
numerical stability
解釋
數值的穩定性-
This thesis tries to solve the problems in the design and construction of jinping cascade 2 hydropower station. a typical section is selected to analysis seepage, seepage control and fem numerical simulation. the influence of different plans of excavation and support on seepage field of subsurface water and stability of adjoining rock are studied. the homologous support pattern is suggested according to the research results
本文就錦屏二級水電站（一期）深埋長隧洞的設計和施工中面臨的一些問題，選取隧洞的一個典型斷面進行滲流、滲控分析和開挖及支護的有限元數值模擬，從而就深埋隧洞不同的開挖及支護方式對地下水滲流場及圍巖穩定性的影響和所應採取的支護措施等方面進行了探索、研究。 -
This thesis is to recommend a important class of regularized strategies for solving inverse problems - mollifier method. it anaysises the consistency, numerical stability and error estimates of mollified solution. similar to tikhonov regularization, a discrepancy principle for selecting the mol - lifier parameter is proven and applications to numerical differentiation and numerical inversion of abel transform and also given
本文將介紹求解反問題的一類重要的正則化策略?緩鎮法，並基於用gauss核構造的緩鎮運算元，分析了緩鎮解的相容性、數值穩定性和誤差估計，與tikhonov正則化類似，我們證明了決定緩鎮參數的偏差原理。 -
In order to control the propagation of errors and enhance the accuracy of numerical solution, the wilson - 0 method is modified and the numerical stability of modified wilson - e method is analyzed
為有效控制誤差的傳遞，提高計算精度，對wilson -法進行改進並分析了改進wilson -法的穩定性。 -
The innovations consist of : synthetically restraining the filter ' s divergence, as effectively improved the filter ' s numerical stability ; a parallel filter structure is creatively designed to eliminate system biases ; and sprt method is used to control the adjustment of the noise statistics, so as to ameliorate the tracking performance of time - variant noises
對常規的次優遞推sage自適應濾波器進行了改造，包括：對濾波結果發散進行綜合抑制，提高了濾波器的數值穩定性；採用并行結構，消除了結果偏差；應用sprt控制調整，增強了濾波器的動態跟蹤能力。 -
Numerical stability of interpolation functions of cubic periodic spline
三次周期樣條插值函數的數值穩定性 -
Using the conic function model local approximation, w. cdavidon ( 1980 ) proposed a class of iterative algorithms with modified matrix combining function value, furthermore under the theory d. c. sorensen has used local quadratic approximation method, then applying collinear scaling idea improving on the above algorithm and generalizing it, getting a class of collinear scaling algorithm, unifying former quasi - newton. in the paper, using local quadratic approximation method, the first, constructing the new collinear scaling gene, getting a class of the new collinear scaling algorithm with briefness and numerical stability, ., we discusses some properties of the algorithm and its local linear convergence, q - superlinear convergence and the whole convergence ; secondly we have made numerical experimentation and numerical analysis ; the last, we have done much discussion for collinear scaling idea and given the several new collinear scaling algorithm
本文的工作就是基於局部二次逼近原理，首先通過構造新的共線調比因子，得到了一類新的更簡潔，數值穩定性更好的共線調比演算法，進而我們給出了本共線調比演算法的局部收斂性，全局收斂性以及演算法q -超線性速度的理論證明；其次，用經典的無約束優化五大考核函數就本共線調比演算法進行了數值試驗和數值分析；最後，就局部二次逼近思想，進行共線調比演算法思想進行更廣泛的討論，給出了幾個新共線調比演算法。 -
Numerical stability of explicit finite element schemes for dynamic system with rayleigh damping
瑞利阻尼介質有限元離散模型動力分析的數值穩定性 -
The paper propose the complex value u - d factorization based least square method to improve the numerical stability and the fault feature are obtained. 7
為了提高數值計算穩定性，進一步提出了基於復u - d分解的最小二乘參數估計方法，獲得了變頻調速系統的故障特徵。 -
Based on the gaussian elimination technique and its relevant theory of the matrix decomposition, a variant of the revised simplex method that possesses better numerical stability is discussed
摘要根據高斯消去法及其相關的矩陣分解理論，討論了具有較好數據穩定性的改進單純形法的一種形式。 -
The numerical stability of implicit euler methods for volterra integral - delay equations
延遲積分方程的數值穩定性 -
Numerical stability of one - leg methods for nonlinear neutral delay differential equations
非線性中立型延遲微分方程單支方法的數值穩定性 -
Numerical stability of linear multistep methods for neutral delay differential equations with multiple delays
求解多延遲中立型系統的數值穩定性 -
The numerical stability of one - leg methods for nonlinear stiff delay differential equations with a variable delay
非線性剛性變延遲微分方程單支方法的數值穩定性 -
The simulation result of the equalizer of the moderate hf channel indicated the adfe based on square - root kalman algorithm was upstanding and had numerical stability
對于中度短波通道的模擬結果表明了平方根kalman演算法的adfe具有較好的數值穩定性，且對短波通道的均衡效果良好。 -
This paper is concerned with numerical stability of one - leg - methods when applied to nonlinear integro - differential equations ( ides ). the sufficient conditions for the methods to be stable are derived
摘要該文研究非線性積分微分方程單支-方法的數值穩定性，獲得了方法數值穩定的條件。 -
This thesis is to present and analyze one class of regularized multi - grid algorithms ( rmga ) for solving operator equations of the first kind. the rmga employs tikhonov ' s regularization to solve the corase grids equations with a new choicing parameter ' s posteriori - method for improving the numerical stability, and adopts a new smoothing strategy to correct the solutions on the fine grids for preserving the high efficiency of mgm. meanwhile, some key technical problems in the process of implementation of rmga are disscussed
本文將提出一類適合第一類運算元方程的正則化的多重網格演算法，它結合一種新的正則參數選取準則，應用tikhonov正則化來求解粗網格方程保證了求解的穩定性；而在將解向細網格延拓時使用了一種新的光順處理策略。 -
Numerical stability, the other issue of the lattice boltzmann method, is discussed in chapter 5. corresponding to the uniform and shear background flow, the stability of d2q7 d2q9 and d3ql5 model is analyzed through the von neumann linear stability theory, both the conclusion about the mass distribution parameters, the wave number, the relaxation time and the uniform velocity, and the linear stability criterion n r0. 58 are instructive to numerical simulation of flow
第五章考慮了數值方法另外一個方面的問題，在均勻流和剪切流兩種背景流場下，運用vonneumann線性分析法，針對d2q7 、 d2q9及d3q15格子模型，分析了質量分佈參數、波數、鬆弛時間和平均流速等決定模型穩定性的主要參數對模型穩定性的影響，得到了對流場數值計算具有指導意義的一般性結論與線性穩定性標準n r _ e ~ （ 0 . 58 ） 。 -
Nonlinear dynamical systems ; nonlinear waves ; diffusion ; stability ; characteristics ; nonlinear steepening, breaking and shock formation ; conservation laws ; first - order partial differential equations ; finite differences ; numerical stability ; etc
非線性動力系統；非線性波；擴散過程；穩定性；特徵值及特徵曲線；非線性陡斜，阻斷和激波的形成；守恆定律；一階偏微分方程；有限差分；數值穩定性等等。 -
Our study shows that it is a good choice to apply generalized rational parametric curve to interpolate and fit unorganized data, because it provides higher numerical stability by appropriately adjusting the support of basis functions
最後應用廣義有理參數曲線對散亂數據進行插值擬合，它可以通過調整基函數的支撐域來優化方程的系數矩陣，因此提供了更高的數值穩定性。 -
First, the difference equation, numerical stability condition, boundary condition, power sources settings and some improved speedup techniques of the finite - difference time - domain yee computational method were introduced briefly in which with the multi - time step method and the frequency - dependent finite - difference time - domain ( ( fd ) 2td ) method emphasized
首先，本文簡單介紹了建立電磁模型中所需採用的時域有限差分yee演算法的差分方程、穩定性條件、邊界條件、激勵波源設置等的基本原理和一些用於加速fdtd演算法的改進方法。其中，詳述了多時間步長（ mts ）方法和頻率相關時域有限差分（ （ fd ） ~ 2td ）方法。
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