The principal component analysis implements the column-wise compression, using the correlation between attributes.
主成分分析使用属性之间的相关性实现按列压缩。
Methane is a principal component of natural gas.
天然气的主要成分是甲烷。
Financial risk; Precaution index System; Principal Component Analysis.
金融风险；预警指标体系；主成分分析法。
Principal Component Analysis (PCA) is a common method in face recognition.
主成分分析(PCA)是自动人脸识别的常用方法。
As the principal component in glass, silicon dioxide was used as early as 5000 BC.
作为玻璃的主要成分，二氧化硅早在公元前5000年就被使用。
Methods of principal component analysis, grey incidence analysis were employed.
研究方法：主成分分析法、灰关联分析。
Henan Province; grain production; dynamic variety; Principal Component Analysis.
河南省；粮食生产动态变化；主成分分析。
The principal component analysis is a kind of effective data compression method.
主成分分析法是一种有效的数据压缩方法。
Principal component analysis is a linear method, but the most data are nonlinear.
线性主成分分析是一种线性分析方法，而数据通常是非线性的。
Principal component analysis was used to derive soil fertility variation factors.
运用主成分分析选取土壤肥力变异因子。
A classifiers ensemble approach based on Principal Component Analysis (PCA) was proposed.
设计了一种基于主成分分析的分类器集成方法。
One way to improve the robustness of principal component analysis is studied in the paper.
研究了改善主成分分析算法鲁棒性的一种实现途径。
The principal component analysis can estimate the intrinsic dimensionality of the hyper-plane.
主成分分析能有效估计这一几何体的本征维数。
Listed companies; performance evaluation; strategic; principal component analysis; entropy method.
上市公司；业绩评价；战略；主成分分析；熵值法。
In this paper, using principal component method 115 strong-motion earthquake records are analysed.
本文运用主成份法对115个强地震运动资料进行了分析。
Then all data were analyzed by principal component regression (PCR) and partial least square (PLS).
采用主成分回归（PCR）和偏最小二乘法（PLS）对试验数据进行了多元统计分析。
Principal component analysis (PCA) is used in data compressing and statistical features extracting.
主分量分析技术通常用于数据压缩和统计特征的提取。
Multi-Scale Principal Component Analysis for data reconstruction of the faulty sensor is discussed.
讨论了基于多尺度主元分析的故障传感器数据重构问题。
Principal component analysis and cluster analysis are performed to refine the features of these sequences.
用主成份分析法和聚类技术提炼这些运动学片段的特征。
The experiment results prove that this method is efficient, and it outperforms the principal component analysis.
实验结果表明，该降维方法比较有效，并且较主成分分析具有明显的优势。
Methods We used principal component analysis and factor analysis to evaluate the 6 hospital's management quality.
方法用主成分分析与因子分析法对6所医院的管理工作质量进行综合评价。
This paper presents a comprehensive recognition formula of hailstorm cloud by using principal component analysis.
本文用主分量分析法建立了雷云等强对流天气的综合判别式。
An outlier detection algorithm based on principal component analysis and the sum of attributes distance is proposed.
提出了一种基于主分量分析和属性距离和的孤立点检测算法。
An improved adaptive principal component extraction algorithm based face recognition method is proposed in this paper.
论文提出了一种基于改进的自适应主元提取算法的人脸识别方法。
Then analysis several main factors use of principal component analysis algorithm, rejecting the factor with minimum weight.
对其中的几个主要因素进行主成分分析，剔除权重最小的因素；
Principal component analysis and cluster analysis on 7 quality characters of 19 pickling cucumber varieties were conducted.
对19个加工类型黄瓜品种的7个品质性状进行了主成分和聚类分析。
Among other 8 bands, bands 6 and 7 contain more information, and band 6 makes great contribution to the principal component.
在其他的8个波段中，6,7波段的信息较为丰富，6波段对主成分的贡献大。
Firstly, classification index system was set up, then was selected in 22 original variables by the principal component analysis.
首先建立指标体系，并运用主成分分析法对22个类型划分指标进行筛选。
Furthermore, we also studied the relative strength of different composition to oxidation stability by principal component analysis.
此外，还通过主成分分析的方法分析了不同组成对旋转氧弹值的影响强弱。
Furthermore, we also studied the relative strength of different composition to oxidation stability by principal component analysis.
此外，还通过主成分分析的方法分析了不同组成对旋转氧弹值的影响强弱。
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