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The spectral condition number is a useful indicator of the quality of a preconditioner.

谱条件数是反映预处理因子性态是否良好的一个有效指标。

However,the spectral condition number of the coefficient matrix becomes larger and the rate of residual convergence becomes slow.

然而，虽然所得的系数矩阵是非亏损的，但却导致谱半径变大，使得残量的收敛速度变慢。

The theory of spectral condition number is used to analyse the observability degrees of error states.

0引言捷联惯导系统以其特有的优点，在海、陆、空、天等各个领域得到了广泛应用。

This thesis is composed of two sections in which we discuss generalized spectral density test of conditional autoregressive heteroscedasticity for threshold autoregressive model.

本文分两节对门限自回归模型中自回归条件异方差的广义谱密度检验进行了讨论。

They are common defects in ZnO and play important role in the conductive and spectral properties.

这些缺陷是ZnO中最可能的点缺陷，它们对ZnO的导电性和光学性质有重要影响。

The inherence result of the enhance of RLS is the forming of molecule congeries. We also find the spectral feature of RLS is related to the absorption spectra of CV.

实验了在碱性环境中，随CV溶液浓度的增加，其RLS光谱和吸收光谱的变化情况，表明两者之间有密切联系。

The constructive or destructive spectral interference between the molecular groups oriented up and down at the interface in the Sum-Frequency Generation spectra provides a direct measurement of the absolute orientation of these molecular groups.

和频振动光谱研究中由基团在界面上取向所引起的光谱增强或相消的干涉现象为研究分子在界面上的绝对取向提供了一种直接的测量方法。

A wavelet transform zero-crossing method for extraction of spectral lines and continuous spectrum fitted with the traditional method,...

提出一种小波变换零交叉点方法用于提取谱线和拟合连续谱，与传统方法相比，。。。

After introducing the conception of convex geometry and spectral linear model, the relationship between convex cone and hyperspcetral imagery was discussed.

在介绍凸面几何体概念和高光谱图像光谱线性模型的基础上，探讨了凸面几何体和高光谱图像的关系。

In this paper, we give a new class of adaptive nonmonotone spectral projected gradient technique for convex constrained optimization.

该文给出了求解凸约束优化的一类新的自适应非单调谱投影梯度法，主要思想是通过引入具有自适应性的权重参数，使算法在迭代过程中能自动调节非单调策略。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。