Traditional principal analysis method (PCA) based on linear transform is effective method of seismic attribute dimension-reducing optimization.
传统的基于线性变换的主成分分析法(PCA)是一种有效的地震属性降维优化方法。
In this paper, the emphasis is placed on the technique for reducing the dimensions. The principal analysis, correspondence analysis and nonlinear mapping are described in detail.
论文中重点介绍了该种方法的降维思想，以及用主成分分析方法、对应分析方法和非线性映射方法解决问题的步骤。
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。
Slice method and finite element method are principal methods of soil slope stability analysis.
条分法和有限元法是土质边坡稳定分析的主要方法。
Through principal component analysis, we have synthesized numerous indexes, (eliminated) information overlapping of the sample, and reduced the input dimension of BP network.
通过主成分分析法将众多指标进行综合，消除样本间的信息重叠，降低BP网络的输入维数。
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。
Then 5 main factors affecting urban air quality to principal component analysis identify the most representative of the original data instead of the 2 to 3 factors 5 variables.
并对影响城市空气质量的5个主要因素进行主成分分析，找出最能代表原来数据信息的2至3个因子代替原来的5个变量。
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。
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。
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。
This thesis presents principal component analysis (PCA) approach for sensor fault detection, identification and reconstruction in HVAC system.
本文提出了用主成分分析法(PCA)进行空调系统传感器故障检测与诊断的基本思想。
We calculated metagenes as a surrogate for all genes contained within a particular cluster and visualized the relative expression in relation to time to metastasis with principal component analysis.
我们以特定基因族里的转位基因为代表用主成分分析法计算其与肿瘤转移时间的表达。
The principal component analysis (PCA) approach for sensor fault detection, identification and reconstruction in HVAC system is presented.
提出了空调系统传感器故障检测、故障识别、故障重构的主成分分析方法。
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。
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。
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。
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。
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；
Cluster analysis and principal component analysis on data of anthropometry from Asian populations showed that Asian populations could be divided into north populations and south populations.
本文通过对亚洲群体体部测量资料的聚类分析与主成分分析，认为亚洲群体可分为北方类群与南方类群。
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。
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。
The study shows that the handle evaluation is effective by principal factor analysis.
本研究表明用主因子分析方法建立织物的手感评价是十分有效的。
Methods The methods of analysis were used by expert consulting graded approach, discrete tendency, principal component analysis and cluster analysis.
方法采用专家咨询打分法、离散趋势法、主成分分析法和聚类分析法进行分析。
The principal component analysis can determine a few principal components from the connected factors and evaluate the all-around qualities of students.
采用主成分分析方法，从多种影响因素中找出几个主要成分指标，较为全面地综合评价了学生素质。
Relationship of main components and sensory quality of apple wine were studied by relating analysis and principal components analysis.
采用相关分析、主成分分析对苹果酒的主要成分与感官质量的关系进行了研究。
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。
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 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。
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