特征向量

Next, kernel PCA is used to construct a set of orthogonal coordinate base in feature space.

其次，在特征空间中，利用协方差矩阵的非零特征向量构造了一组正交基，并将变换后的光谱向量投影到特征空间中的正交基上。

Finally these characteristic point calculation a characteristic vector, person face characteristic in the database the vector proceeds to match.

最后把这些特征点计算成一组特征向量，同数据库中的人脸特征向量进行匹配。

Introducing of product characteristic vector realizes the transformation from the descripti...

产品特征向量的引入，实现了对产品特征的自然语言描述向数学语言描述的转化；捆绑在组件上的约束和产品特征向量相关，使约束表达直观、集中，降低了知识表达的难度，并给出成功应用案例。

In accordance with the characteristics of the organisms, this paper studied chironomid larvae images recognition method based on wavelet packet decomposition and Fuzzy Support Vector Machine.

该方法采用多层小波包分解提取子图像的能量特征，同时结合生物图像颜色特征构造特征向量，然后选择模糊支持向量机作为分类器进行识别。

The fusion feature not only presents character's global and local features,but also is the most discriminative feature.

这样得到的特征向量不仅具有汉字的全局和局部特征，而且是最有分辨能力的特征向量。

A matrix which has a set of complete eigenvector system can be similar orthogonally to a diagonal one through reduce it to Jordan's normal form, and based on this property,the reducing matrix was taken as the transformation one. Thus all eigenvalues and eigenvectors of the system can be obtained.

利用具有完全特征向量系的矩阵在约化若当标准型过程中可正交相似对角矩阵的特性，将变换矩阵取为约化若当标准型过程中的分解矩阵，从而求出所求系统的特征问题的全部特征值和相应的特征向量。

For this purpose it employed a technique based on fractal dimension,multi-fractal and lacunarity concepts,and constructed feature vectors based on the concepts combined with intensity.

引入了分形、多重分形和空隙等概念，建立了其特征向量，结合灰度特征进行了图像分割实验，通过对提取出来的特征向量进行平滑滤波处理，采用 K 均值分类算法有效地保证了分割效果。

This paper proposes an algorithm of infrared bicolor target recognition,in which 2D Fourier-wavelet transform is applied to extract the features of image,and the Fourier-wavelet description for the object recognition is regarded as vector characteristics,characterized with invariancy to translations,scaling and rotation.

该算法将通过二维傅立叶小波变换对图像提取的特征作为特征向量，这组特征向量具有旋转、平移和尺度不变性。

This classfier extracts the feature vector of each samples and documents to be classified by using the feature extraction algorithm. Web page was classfied by using the K-Nearest-Neighbor classification algorithm. The experimental results show that this auto classifier based on Web minning can fetch insecurity Web pages, and its classification is effective.

该自动分类器利用特征提取算法实现对每个样本的特征向量提取和待分类文本的特征向量提取，利用基于k个&最近邻&分类算法实现对网页的分类，能够提取出带有不安全信息的网页，分类效果良好。

The time-history velocity response signal of pile can be decomposed by Sym wavelet. The power spectrum value can be extracted from some specified spectrum range. These values from one signal makes up the characteristic vector representing this signal. The relationship between characteristic vector of pile and pile defect type can he established by using BP artificial neural network. Abundant time-history velocity response signals of pile can be acquired by numerical simulation method.

利用Sym小波对基桩速度响应时程曲线进行小波分解，对指定频带上的信号分量进行特征值提取，提取的特征值为反映各频带范围内体现能量分布的功率谱均值，提取的特征值可构成反映信号特征的特征向量，同时利用BP人工神经网络的非线性映射特性建立特征向量和基桩缺陷类别之间的一种对应关系。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷