特征向量

Three case representation methods, character vector, category-exemplar and dynamic storage are discussed, and CR4 process model is proposed for CBR-ANN integration. For construction of casebase, similarity relations on possible problem categories should defined and analyzed, mapping relations from possible problem categories to possible solution categories should be studied, and casebase should be repartitioned and refined.

分析了特征向量表示法、类别-案例表示法、动态存储表示法等案例表示法的特点，提出CBR-ANN过程模型为CR4模型，认为对于案例库构建，要分析和定义问题可能类型上的相似关系，探寻问题可能类型到方案可能类型的映射关系，分析相似类、进行案例库划分以及进行案例库优化。

Based on the scatted data , a suitable method has been proposed in this paper , in which the least eigenvector of covariance matrix for the local data points is used as the normal vector of the data .

这里针对散乱测量数据点云，以局部数据点协方差矩的最小特征向量作为数据点的方向矢量，并根据实际测量情况，对基于二次曲面拟合的数据点曲率估算算法进行了改进。

Anchor Bar; Anchorage System; Dynamic Response; Genetic Algorithm; Artificial Neural Network; Wavelet analysis; characteristic vector; Nondestructive Detection

锚杆；锚固系统；动力响应；应力波；遗传算法；神经网络；小波分析；特征向量；无损探伤

According to the distances, the SPWUG algorithm computed the initial partition of the coarsest graph by extending the Laplacian spectral graph theory from the unweighted undirected graph into the weighted undirected graph.

SPWUG算法借助Laplacian矩阵次小特征值对应的特征向量，刻画了节点间相对距离，将基于非赋权无向图的Laplacian谱理论在图的剖分应用方面扩展到无向赋权图上，实现了对最小图的初始剖分。

As a result, it is convenient for the recognition system to use the simple linear classifier to segment the sample space, so that the accuracy and distortion invariant ability can be easily achieved. The classification structure of a bifurcating tree is utilized to decompose the classification problem of multi-classes to the multi-stage classification of two classes, which simplifies the design of the classifier, and improves the searching efficiency as well. A gray-scale analysis based method for extracting features from optical correlation result is proposed.

提出了二叉树鉴别分类方法，在使用同类图象的多个典型畸变样本训练识别系统的基础上，利用鉴别分析方法优化各类图象的特征向量在样本空间中的分布，不仅有利于同时提高系统的准确性和抗畸变能力，而且便于采用简单的线性分类器来划分样本空间；利用二叉树分类结构，将多类样本的分类问题分解为多级二类样本的分类问题，不仅简化了分类器的设计，而且提高了搜索效率。

Amethod to compute the eigenvector of minimax matrice using ordinary algbra isgiven.

同时得到了一种求解极大状态矩阵特征向量的普通代数方法。

Combination Rules of Evidence Theory, Yager combination rules and this theory's shortcoming.

本论文则主要研究了如何根据具有不确定性的目标特征向量来识别目标。

Meanwhile, according to the need of Venturis, a SVM-based water-oil flow pattern identification method is given, with which characteristic vectors can be obtained and used to identify flow patterns, thus giving good results of both separated and distributed flow pattern identification.

同时，根据文丘里管流量测量需要，提出了基于SVM的油水两相流流型识别方法，给出了特征向量提取方法，并将其用于流型识别，较好的取得了分层流和分散流型识别结果。

While in the stage of text classifying, CCTCS inputs feature vectors of the text to be classified, then the trained ANN classify the unlabelled text to judge its class.

而在文本分类的时候，输入待分类文本的特征向量，通过已训练好的神经网络对文本进行分类，以确定文本的类别。

Quadratic self-adjoint matrix polynomial\mbox{'}s properties were demonstrated in detail.

系统地论证了二次自伴矩阵多项式特征值，特征向量的性质。

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。