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- The establishment of fault feature vector is a precondition to fault diagnosis. 电机故障特征相量的确立是进行故障诊断的前提。
- By means of the wavelet analysis, non-steady signals are analyzed, the fault feature vectors of fault are successfully extracted and this effective method is employed to identify the fault pattern. 研究了小波分析在非平稳信号分析的实际应用，成功地通过小波分析提取故障信号的特征信息，为识别故障类型提供了有效的分析手段。
- fault feature vector 故障特征向量
- In view of the luminance and the chrominance of the image, the class feature vector is extracted. 该算法利用彩色图像的亮度和色度进行分类特征矢量的选择。
- One speaker identification system by extracting MFCC as feature vector and using VQ in match phase is constructed. 只要矢量量化聚类法码本大小选择合适,该说话人识别系统就可以获得较好的识别效果。
- Based on the above,the algorithm can use the additivity of set feature vector to cluster data just by scan... 在此基础上,利用集合特征向量加法法则运算,只需扫描一次信息表就可实现对数据对象的聚类划分。实验结果表明该算法是有效可行的。
- For example, 13 means concatenation of first-order gradient and norm luminance as feature vector. 比如：13意味着第一顺序梯度和常规亮度在特征向量上的组合。
- To extract incipient fault feature of mechanical signal, a new method to construct wavelet according to the fault characteristics is presented. 摘要针对机械信号早期故障特徵的提取问题，提出了一种根据故障特徵波形的特点来构造相应小波的方法。
- The fault feature of reciprocating machinery is extracted by CWT in this thesis. 本文运用连续小波变换来提取往复机械故障信号的特征信息。
- Colligating AR parameter model coefficient and Wavelet packet decomposition energy feature,we get feature vector of battlefield sound-target. 综合AR参数模型系数和小波包分解能量特征,获得战场声目标特征矢量。
- Therefore, the incipient fault feature can not be extracted effectively through frequency spectrum analysis. 因此，直接采用频谱分析无法实现早期故障的特征提取。
- Using the subimage of an unknown target as feature vector and minimum distance rule for target recognition, experiments on simulated data are done. 对未知目标,以其子像对库矢量的欧氏距离最小为分类准则,进行了识别模拟实验。
- The paper introduces the fault feature and repair method at common unit of PABX, and the repair of HARRIS PABX is analyzed. 介绍了程控用户交换机的公共单元故障特点、维修方法,并对HARRIS交换机的故障实例进行分析。
- All of those lower resultant image and original image are integrated to a feature vector of a pixel. Those pixels are segmented by Gaussian mixture models. 分解后的小波系数和图像共同组成了相应像素的特征向量,然后利用高斯混合模型进行分割。
- Shi D F, Qu L S.Application of genetic algorithm to fault feature selection[J].Journal of Vibration, Measurement &Diagnosis,2000, 20(3):171-176. [2]史东锋;屈梁生.;遗传算法在故障特征选择中的应用研究[J]
- A 28-dimensional feature vector was obtained through calculating the center of mass (COM) of histogram character function (HCF) from the statistics of an image. 计算这些统计量的直方图特征函数的块中心，得到28维特征向量；
- First, a fixed-dimensional feature vector is generated for each protein sequence using the frequency of the hydropathy blocks occurring in the sequence. 首先，利用蛋白质序列中亲水模块的出现频率，每条蛋白质序列被转换为一个特征向量。
- In essence it takes the decision profile and decision template as target's feature vector and template respectively, and adopts template matching method to target recognition. 该方法实质上是将目标的决策分布图作为特徵矢量，将其和每类目标的决策模板进行匹配以实现融合识别。
- Filter-based matching algorithm uses a bank of Gabor filters to capture both local and global details in a fingerprint as a compact fixed length Feature Vector. 用一组Gabor滤波器获取指纹图像的局部信息和全局信息，并表示成简洁的指纹滤波特征向量，用于滤波特征匹配；
- This paper applies the improved information gain method to feature selection,constructs the spam feature vector according to Vector Space Model,and uses SVM to spam filtering. 利用改进的信息增益特征选择的方法来提取特征词,基于向量空间模型构造邮件的特征向量,最后用支持向量机算法对邮件进行过滤。
