誤差估算 的英文怎麼說
中文拼音 [wùchāgūsuàn]
誤差估算
英文
error estimate- 誤 : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 估 : 估構詞成分。
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 誤差 : error
- 估算 : estimate; reckon (up)
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Residual a posteriori error estimate two - grid methods for the steady navier - stokes equation with stream function form
方程流函數形式兩重網格演算法的殘量型后驗誤差估計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。A mesh adaptation technique via a posterior error estimate for incompressible navier - stokes equations
方程基於誤差估算的網格自適應解法Finally, a method is put forward to construct the nurbs curves on sphere, which extends the de boor recursive algorithm in r3 to one on the sphere by replacing the geodesic distances for the lines and studies their many geometric properties analogous to those in euclidean spaces, such as the differential property, the local property, the parameter invariance under a projective transformation, and so on
兩種方法均給出誤差估計,使逼近螺線可達到任何預先給定的精確階。最後,給出球面nurbs曲線生成演算法:用球面上測地線? ?劣大圓弧代替直線段,將歐氏空間r ~ 3中的deboor遞推演算法推廣到球面上構造麯線。With the thorough research on these and computer ability increasing quickly, people are paying more and more attention to relational numerical study. the mostly discussion is how to numerical simulate, concering error estimate in long - time, the existence of approximate attractor, well - posedness of solution and numerical solution and dimension estimate and so on, now there are much study [ 5 ], [ 15 ]. spectral method is important numerical method, but it is very hard so that research is a less
隨著對它研究的深入和計算機能力的迅速提高,與之相關的數值研究也越來越被人們關注,這方面討論的主要是對原系統如何進行數值模擬的問題,涉及到大時間誤差估計,近似吸引子的存在性,穩定性,收斂性及其維數估計等諸多問題,目前已有很多工作。The model of evaluating precisions for atmospheric loading respond corrections
大氣負荷響應計算誤差估計模型An algorithm of timing - error estimation of qam signals
信號定時誤差估計演算法The non - linear partial differential ( integral ) equation often needs to be solved in the computational hydraulics, however, the mathematical theory of its numerical method has yet not been sufficient at present, for example, the development of some theories such as the strict stability analysis, error estimate and convergence proof has been unable to keep pace with the development of the numerical simulation method
計算水力學中所求解的是非線性偏微分(積分)方程組,其數值方法的現有數學理論尚不夠充分,嚴格的穩定性分析、誤差估計和收斂性證明等理論工作的發展還跟不上數值模擬方法的進展。Local error estimate for method of operator splitting for convection - diffusion equations
擴散方程運算元分裂方法的局部誤差估計Numerical tests show that the proposed error estimation scheme can indicate the numerical errors of lbiem solution efficiently
數值算例顯示,提出的誤差估計方案能夠有效地指示出真實的數值誤差。Using afem based on local error estimation, we can give relevant mesh on different frequency phase with required precision
而基於局部誤差估計的自適應有限元法在不同的求解頻率段,根據計算精度的要求,採用相應的網格劃分。My research concentrates on discretization of model optimal control problem, development of the posteriori error estimator and designment of efficient solver for discrete optimal control problem
我的研究在於為模型最優控制問題提供離散方案,進行誤差估計以及設計快速求解演算法。The discussion includes : fast real - time simulation algorithms ; real - time combining algorithms and real - time parallel algorithm on net parallel computers ; real - time simulation algorithms and real - time simulation parallel algorithms for differential - algebraic system ; real - time discontinuity treatment ; information transference error of simulation model ; investigation of spurious solutions of digital simulation for dynamic systems, etc. some new ideas and methods of constructing real - time simulation algorithms are given
討論包括:快速實時模擬演算法研究;實時組合演算法與網路計算機上的實時并行演算法;微分代數系統的實時演算法與實時并行演算法;實時間斷處理;模擬模型信息傳輸誤差估計;動力學系統模擬假解研究等一些新的思想和方法。For symbol synchronization, a filtering and squaring algorithm of estimating the timing error has been introduced, and a method to improve the accuracy of estimated data has been presented, then two signal interpolation filter have been analyzed, one is fir interpolation filter, another is cubic interpolation filter
對于全數字接收機中符號定時誤差的恢復,先介紹了一種濾波平方后求符號定時誤差估值的演算法以及一種提高該演算法估值性能的改進方法,接著介紹了糾正定時誤差的fir插值濾波器和立方插值濾波器。Applying variational method we analyze the existence and uniqueness for the solution of the corresponding boundary variational equation, truncated mrm boundary variational equation, and approximation truncated mrm boundary variational equation in detailed. we obtain the error estimation for various approximation solutions and construct the boundary integral method with constraint. we explain the principle for choosing the mesh size and the truncated number in mrm. finally the numerical examples show that the theoretical analysis is accord with the numerical experiment result
採用變分方法系統分析了相應問題的邊界變分方程,截斷的mrm邊界變分方程與近似截斷mrm邊界變分方程解的存在唯一性,解釋了網格寬度與mrm方法中截斷數的選取原則,討論了mrm方法中的迭代誤差估計,給出了數值算例。Based on the analysis of previous work in detail, a scheme of a - posteriori error estimation is introduced into the local boundary integral equation method ( lbiem ), which is constructed with the difference between the raw solutions of lbiem and the post - processing solutions with taylor expansion and moving least square approximation ( mlsa )
通過對無網格演算法在誤差估計方面的工作分析,根據原始解和后處理解的不同,將一種誤差佑計的方案引入到局部邊界積分方程方法中,其中后處理解採用泰勒展開和移動最小二乘近似得到。There are many papers ( cf [ l ] - [ 3 ] ) have studied the method and error estimate for boundary integeral equation and elliptic boundary value problems, and obtain some superconvergent results by varied post - processings such as interpolation, average and extrapolation etc. in this paper, we mainly study the galerkin solution for first - kind boundary integeral equation and elliptic boundary value preblem. further more we can obtain superconvergence results by ( l _ ( 2 ) project ion ) least - squares processing for derivative of elliptic boundary value problems
對于邊界積分方程與橢圓邊值問題的解法及誤差估計已有很多文章(參[ 1 ] - [ 3 ] )研究,並且通過各種后處理如插值、平均、外推等得到一系列的超收斂結果,本文則著重探討一型邊界積分方程galerkin解通過l ~ 2投影(最小二乘)運算元處理后以及橢圓邊值問題的導數進行l ~ 2投影(最小二乘法)處理后可獲得超收斂結果。A numerical example is provided to confirm the convergence behaviors of the relaxation - based method
文中給出了該演算法收斂的條件,並做了誤差估計,最後通過數值實驗驗證了理論分析。Chapter 3 is devoted to the study of the convergence theory of a dual algorithm for unconstrained minimax problems. a dual algorithm for solving unconstrained minimax problems, based on the penalty function of bertsekas ( 1982 ), is presented. we prove that there exits a threshold of the penalty parameter satisfying that the sequences generated by the dual algorithm converge locally to the kuhn - tuker point of the unconstrained minimax problems when the penalty parameter is less than the threshold
第3章給出無約束極大極小問題的一個對偶演算法的收斂理論,給出一個基於bertsekas ( 1982 )罰函數的求解無約束極大極小問題的對偶演算法,證明罰參數存在一個閥值,當罰參數小於這一閥值時,該對偶演算法產生的序列局部收斂到問題的kuhn - tuker點,並建立了參數解的誤差估計式,同樣估計了罰函數的hesse陣的條件數,它也依賴于罰參數。Since phase gradient autofocusing ( pga ) often produces unsatisfactory results when operating upon scenes that are dominated by distributed targets, a modified weighting average phase errors estimation method is proposed
針對相鄰強目標導致的相位梯度自聚焦演算法( pga )收斂速度下降,提出了一種加權平均相位誤差估計方法。分享友人