The method uses wavelet transform and principle component analysis to preprocess fault signal, afterward training and testing wavelet neural network with the preprocessed fault characteristic data.
该方法首先利用小波变换和主成分分析对故障信号进行预处理，然后用处理后的故障特征数据对小波神经网络进行训练和测试。
Aiming at the preceding problem, this paper puts forward a feature selection method using Information Gain (IG) and Principle Component (Analysis) (PCA).
针对上述问题，提出了信息增益(IG)与主成分分析(PCA)相结合的特征选择方法。
The paper briefly introduced the theoretical foundation of MSP method, which include Principle Component Analysis (PCA), Principle Component Regression (PCR), and Partial Least Squares (PLS).
介绍了多变量统计投影方法的主要理论基础，包括：主元分析(PCA)、主元回归(PCR)、偏最小二乘(PLS)。
Principle component analysis is based on multi-statistics method, and turning into an important way to proceed data for production monitoring and quality control.
主成分分析属多元统计方法，正逐步成为控制领域中一种重要的数据处理方法，用于生产监测和质量控制。
For this purpose, this paper presents a reuse cost optimization oriented, locality principle and instance set decomposition based component refactoring method.
为此，提出一种面向复用成本优化的、基于局部性原理与实例集分解的构件重构方法。
Based on principle of conservation of energy, the thermal field of concrete component can be gotten by the method of finite element.
混凝土构件温度场的计算可以根据能量守恒原理，采用有限元方法进行求解。
According to the minimum Gibbs energy principle, a calculation method for equilibrium partial pressure and composition of molecule component has been derived.
根据最小自由能法原理，推导出一维迭代法，计算硫蒸气中各分子态组分的平衡分区与组成。
Based on symmetrical component method and linear superposition principle, the additional positive sequence network after fault is established and the matching index on fault point is defined.
该方法首先运用对称分量法和线性叠加原理建立故障后的附加正序网络并且定义了故障点的匹配指标，进而基于该指标运用遍历搜索方法寻找故障点位置。
This paper introduces the working principle of reverser for the fluorescent lamp passage lamp of Huanghai Brand passenger car, the selection of every component and the coiling method of transformer.
详细介绍了黄海牌大客车荧光灯通道灯用逆变器的工作原理， 制作逆变器时各元器件的选择及变压器的绕制方法。
Structural optimum design of component for new roadbed side slop compactor is performed by means of ma-thematic programming method and optimum design principle.
应用数学规划法和“最优化设计”的原理对边坡压实机的构件进行了结构优化设计。
In addition, a calculating method on welding preheating temperature and a selective principle and method on welding component matching are concluded.
同时总结了一套计算焊接预热温度确定方法和焊接接头匹配的选取原则与方法。
The principle and method of developing com component for ASP file upload by VB is described. It is discussed to convert the internal code of Chinese characters into Chinese characters in VB.
介绍了使用VB开发COM组件以实现ASP环境下特定的文件上载服务的原理和方法，并对VB环境下汉字内码与汉字的转换也进行了探讨。
The analysis method includes linear regression and principle component analysis.
分析方法包括趋势分析、主分量分析。
These methods include the Principle component analysis, the Regression analysis, the Grey cognate analysis, the Delphi, the Ordering method, the Analytical Hierarchy Process, Fuzzy method.
目前学术界对土地等级评价所使用的主要方法有：主成分分析法、回归分析法、灰色关联度分析法、特尔斐法、排序法、层次分析法、模糊综合评价法。
This paper mainly introduces and describes the operation principle, component, main technical performance and feature, and the implement method of this device.
文中对该装置的工作原理、成、要技术性能、点以及实现方法作了概要描述。
The fast coding method is a component of the CMG study. It has practicability in a novel electronic combination lock which mapped the discrimination principle of the CMG mechanism.
快速编码方法是CMG机构研究工作的一部分，在映射CMG机构密码鉴别原理的电子组合锁中有实用价值。
The principle component analysis and face bray center are used to detect the symmetry axis, and the valley method is applied to detect and verify the eye candidates.
首先利用主分量分析法和人脸重心确定人脸对称轴，再结合山谷法进行眼睛候选点的提取和验证。
The article introduces the basis principle of V-shaped method, the structure of automatic V-shaped system and selection of its component.
本文介绍了V形法的测量原理、数据处理方法、全自动V形法测量系统的研究以及主要单元部件的构成。
A novel method for optimizing the principle component analysis in feature extraction is proposed, which making use of parallel coordinate plot for graphical presentation of multivariate information.
本文提出一种利用平行坐标图的多元信息表示对主成分分析特征提取方法进行优化的分类技术。
The thesis brought out the designing method and choosing principle of the test system component, and introduced composition of test device.
对试验装置的设计和选用、试验流量计的设计以及检测元件的选用等作了全面的分析，对整个试验装置作了系统的介绍。
A nonlinear filtering method based on principle component analysis (PCA) was proposed according to the statistical characteristics of the Doppler ultrasound blood flow signal and wall thump signal.
根据超声多普勒血流信号和血管壁搏动信号的统计特性，提出了一种基于主元分析的非线性滤波方法。
Based on the basic principle of component - based modeling approach and combined with the practice, a set of systemic method for load modeling is brought forward.
基于统计综合负荷建模的基本原理，结合实际系统的建模实践，提出了一套基于统计综合法负荷建模的系统方法。
The model of calibration obtained by this method was found to be better in accuracy than the model obtained by the principle component regression method.
该模型与通过主成分回归法得到的模型相比，预测结果更准确。
Combined the advantage of empirical mode decomposition (EMD) and principle component analysis (PCA), a blind separation method of rolling bearing faults is proposed based on EMD and PCA.
结合经验模态分解和主分量分析各自的优点，提出了一种基于EMD -PCA的轴承故障源的盲分离方法。
Combined the advantage of empirical mode decomposition (EMD) and principle component analysis (PCA), a blind separation method of rolling bearing faults is proposed based on EMD and PCA.
结合经验模态分解和主分量分析各自的优点，提出了一种基于EMD -PCA的轴承故障源的盲分离方法。
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