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iteration method相关的网络例句

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与 iteration method 相关的网络例句 [注:此内容来源于网络,仅供参考]

A sample numerical design method for constant beamwidth beamformer is given. This method is easy to implement and has no restriction on array geometry and sensor patterns; Three methods for the design of broadband frequency invariant beamformer are proposed, which are the method of resampling signals received by the array, the DFT interpolation method and adaptive synthesis method, respectively. Examples and performance analyses are given for each method; A simplified linear constrained minimum variance broadband adaptive algorithm that based on DFT interpolation method is presented. Compared with conventional broadband adaptive algorithms, the presented method can reduce computation work greatly.

提出了一种简单、易于实现的恒定束宽波束形成器设计方法,该方法对阵形和阵元指向性没有任何限制;分别提出了基于阵列接收数据重采样、基于DFT插值和自适应综合的三种具有频率不变波束图的宽带波束形成器设计方法,对于每一种设计方法都给出了一个设计实例并做了性能分析;提出一种基于DFT插值的简化线性约束最小方差宽带自适应阵列算法,该方法可以大大降低自适应阵列的运算量。

Eight hierarchical clustering methods including single linkage method, complete linkage method, median linkage method, centroid method, unweighted pair-group average method, Wards method, flexible-beta method and weighted pair-group average method were combined with three sampling strategies, random, preferred and deviation sampling to develop 24-core collections.

川最短距离法、最长距离法、中间距离法、重心法、不加权类平均法、离差平方和法、可变法和加权配对算术平均法等8种系统聚类方法,结合随机取样法、优先取样法和变异度取样法等3种取样方法,发展了24个水稻核心种质库。

The results showed that in evaluation of the method by detecting 50 RHD 1227A positive and 50 RHD 1227A negative individuals, the genotyping method displayed a sensitivity of 100% and a specificity of 100%; in evaluation of the method by detecting 33 DEL positive and 89 DEL negative individuals, the sensitivity was 100%, however, there were two serologically negative samples which were confirmed as positive using genotyping method. After re-testing these two samples with serological method and sequence analysis, it was found that original serological method gave false negative results and genotyping method still showed 100% specificity. The minimal target DNA concentration of this genotyping method is 8.13 ng/μl.

结果表明:在50例RHD 1227A阳性和50例RHD 1227A阴性的Rh阴性样本中基因分型方法的灵敏度和特异性都是100%;在33例DEL阳性样本和89例DEL阴性的样本中,基因分型方法的灵敏度为100%,有2例样本血清学结果为阴性而基因分型结果为阳性,重新用血清学方法和序列分析方法复核这2例样本,发现2例都是血清学漏检,因而基因分型方法的特异性是100%。

In this article, a new multigrid method for solving p-Laplacian equations is proposed based on the existing multigrid method: FAS multigrid method and Cascade multigrid method. This method is a combination of Cascade method and a new method named "back" method.

本文主要研究现有的几种求解p-Laplace方程的多重网格方法:FAS多重网格方法和Cascade多重网格法,并在此基础上提出了一种新的求解p-Laplace方程的多重网格方法:Cascade-back方法。

The Schur subspace iteration method is applied for the dynamic characteristic analysis of damped structure vibration system and coupled fluid-structure system. This method avoids complex computation and has good numerical stability. A accelerated technique and a pre-process method for the system matrix are suggested to improve the computational efficiency. The generalized uncoupled equation is obtained from the Schur matrix and a back substitution scheme of response computaton is developed.

第三部分将非对称特征值问题的Schur子空间迭代法应用于非经典阻尼结构振动系统和流固耦合系统的特征值分析,建立了相应的具体算法,并给出了用以提高迭代收敛速度的迭代加速和矩阵预处理等实用技术;利用Schur矩阵的结构特点,推导了系统方程的动力解耦形式,给出了响应计算的回代求解格式。

This thesis consists of two parts. The first one was that boundary value problem was discrete with five point difference method. Three kinds of memory formats were studied, which were full matrix, half band width and row compress sparse. Full matrix memory format and half band width memory format first was contrasted. The results show that half band width has efficiency in space. Then the algebraic system of finite element method was solved by Gauss-Seidel iteration method to popular row compress sparse memory format.

本论文由两部分组成,第1部分针对边值问题,用5点差分格式进行离散,并对离散矩阵这类大型稀疏矩阵,研究了系数矩阵的3种存储格式的优劣,即:满矩阵存储格式、半带宽存储格式和按行压缩稀疏存储格式,首先我们将满矩阵存储方式和半带宽存储格式进行了对比,迭代法的数值实验表明:利用半带宽存储的矩阵在空间运算方面具有高效性;然后针对目前数值实验中流行的按行压缩稀疏存储格式,实现了有限元离散代数系统的迭代法的求解。

If the Landweber method and pre-iteration method were convergent, the residue sequence would be monotone decreasing. By analyzing the convergence, the fact is demonstrated that for the severe ill-conditioned matrix of sensitivity coefficient, because of the limitation of the precision of the computer, the residue sequence is not monotone decreasing; thereby the reconstruction images diverge from the true distribution of the conductivity. So the generalized inverse method with threshold is established and the selection way of the regularization parameter is presented, by which the better images are reconstructed.

Landweber法和预迭代法收敛,则其残差序列单调递减,通过对它们的收敛性进行分析,证实对于病态性严重的灵敏度系数矩阵,由于受计算精度的限制,迭代过程中的残差序列不再单调递减,从而导致重建图象偏离实际电导率分布,因此作者建立了带阈值的广义逆算法,提出了规则化参数选择方法,获得了较好的图象重建质量。

Direct method of Gaussian elimination, Gaussian main-element elimination, and the iterative method of Jacobi iteration, Gauss - Seidel (Gauss - Seidel) iterative method is linear equations numerical solution of important ways.

直接法中的高斯消去法、高斯列主元消去法,以及迭代法中的雅可比迭代法、高斯-赛德尔(Gauss-Seidel)迭代法又是线性方程组数值求解的重要方法。

These strategies include: an improved adaptive movement penalty method which prevent ill condition matrix based numerical instability, a network topology based identification method which prevent too much tuning and a limited times skipping method of trial iteration.

在上篇中,本文给出了以下内容:第二章详细描述了最优潮流牛顿算法的实现,着重分析了牛顿法实际应用中存在着的两个主要问题:数值不稳定性和如何快速正确地识别起作用的不等式约束集,并提出了相应的处理对策。

This paper proposed an implicit technique based on the Jacobi's iteration method. The theoretical demonstration and analysis show that the proposed method meet both the real-time and the stability requirement well. The new method which can update stably the state of n mass points with the time complexity of O has great advantages over the existing implicit integration methods.

本文提出了一种基於雅可比迭代法的隐式数值积分算法,通过理论证明和分析,该算法稳定地更新n个质点的状态所需时间复杂度为O,较已有的隐式积分算法有了很大的改进。

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推荐网络例句

"Bird Man's Diary, Butting on the Love Island", Changsha, China

2008年"鸟人日记,顶在爱情岛",中国长沙

As long as they were in the service of a family of wizards, their magic would remain dormant.

只要他们一天为家庭服务,他们的法力就潜藏不动。

It was time to hold a court and the subject for discussion was the future of that prisoner.

开庭时间到了,大家讨论的话题是那名罪犯的下场。