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主成分分析     
相关语句
  principal component analysis
     Spectral Principal Component Analysis and It's Applicationin Multi-Index Evaluation Systems
     谱主成分分析及其在多指标评价体系中的应用
短句来源
     Finite Mixtures of Models, Nonlinear Two-Dimensional Principal Component Analysis and Their Applications to Pattern Classification
     有限混合模型、非线性二维主成分分析及其在模式分类中应用
短句来源
     An Application of the principal Component Analysis to the Regional Division of the Seed Origin
     主成分分析在杉木种源区划中的应用
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     A PRINCIPAL COMPONENT ANALYSIS OF THE NORTH PACIFIC 500hPa PENTAD HEIGHT FIELD
     北太平洋500hpa候高度场的主成分分析
短句来源
     MODEL PREDICTION ON STEEL QUALITY BY PRINCIPAL COMPONENT ANALYSIS
     运用主成分分析法建立钢坯质量预测模型
短句来源
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  principal components analysis
     Principal Components Analysis of Calcium, Phosphorus, Vitamin D 3,Manganese and Zinc levels in Broiler Diet
     肉用仔鸡日粮钙、磷、锰、锌和维生素D_3水平的主成分分析
短句来源
     Principal Components Analysis for Induced Effects of ~(60)Coγ Ray onAmorphophallus konjac
     ~(60)Coγ射线辐照花魔芋诱变效应的主成分分析
短句来源
     The Evaluation of Xinjiang and National Tourism Industry Competitive Power Based on Principal Components Analysis
     基于主成分分析的新疆与全国旅游产业竞争力评价
短句来源
     Subspace method and PCA(Principal Components Analysis) are adopted in network-wide traffic anomaly detection research. In experiment environment of campus networks,the process of detecting network traffic anomalies is realized by applying subspace method and PCA.
     采用子空间方法和主成分分析(PCA,Principal Components Analysis)对大规模网络流量异常检测进行研究,并以校园网为实验环境,应用子空间方法和PCA实现了网络流量异常检测。
短句来源
     Under the technical support of software SPSS10.0,the method of principal components analysis is adopted to analyze many factors which influence water resources of Anyang.
     在统计分析软件SPSS10.0的技术支持下,运用主成分分析法对影响安阳市水资源的诸因素进行定量分析。
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  pca
     VSTV was derived from principal component analysis (PCA) on 25 structural and topological variables of 20 coded amino acids.
     其中VSTV(principal component score vector of structural and topological variables)来源于20 种天然氨基酸的25 种拓扑结构信息,并通过主成分分析而产生。
短句来源
     1. Feature extraction methods based on Principle Component Analysis (PCA) and Kernel Principle Component Analysis (KPCA) are studied.
     1.在入侵检测特征提取方面,研究中采用主成分分析(Principle Component Analysis)和核主成分分析(Kernel Principle Component Analysis)的入侵检测特征提取方法。
短句来源
     PCA comprehensive exponent of anti-erodibility indexes shows that the order of anti-erodibility: shrub forest(45.51) > mixed wood(41.94)>broadleaf forest (32.65)>bamboo forest(23.35),and that the anti-erobility of soil in Jinyun mountain is in decreasing trend from topsoil to bottom soil(49.32,41.86,32.03,27.11).
     用抗蚀性指标主成分分析综合指数表明4种林分林地土壤抗蚀性为:灌木林(45.51)>混交林(41.94)>阔叶林(32.65)>楠竹林(23.35); 重庆缙云山土壤从表层到底层抗蚀性能呈下降趋势(49.32,41.86,32.03,27.11)。
短句来源
     The main algorithms include neural network, chaos, PCA (Principle Components Analysis) and PLS (Partial Least Square).
     其中算法有神经网络,混沌,主成分分析(PCA,Principal Components Analysis)和偏最小二乘法(PLS,Partial Least Square)。
短句来源
     pneurnoniae activity. The PCA results showed that the variables E_(LUMO),Q_3,Q_5,Q_A,logP,MR,VOL and △E_(HL) of these compounds were responsible for the anti-S.
     主成分分析法表明,变量 E_(LUMO)、 Q_3、Q_5、Q_A、lgP、MR、VOL、ΔE_(HL)能够有效地对抗肺炎链球菌的氟诺喹酮类药物进行分类.
短句来源
更多       
  principle component analysis
     1. Feature extraction methods based on Principle Component Analysis (PCA) and Kernel Principle Component Analysis (KPCA) are studied.
     1.在入侵检测特征提取方面,研究中采用主成分分析(Principle Component Analysis)和核主成分分析(Kernel Principle Component Analysis)的入侵检测特征提取方法。
短句来源
     Results There is an order of the 6 hospital's management quality (from good to bad) after we evaluate it by using principle component analysis and factor analysis:hospital B,hospital C,hospital A,hospital D,hospital F,hospital E.
     结果主成分分析与因子分析法得到的6所医院管理工作质量的综合评价排序结果为(按由好到差的顺序):B医院、C医院、A医院、D医院、F医院、E医院。
短句来源
     The results of principle component analysis(PCA) showed that Al,Cd,Co,Cr,Cu,Fe,Ni,Pb and Zn in the harbor are mainly input by terrigenous ways,while Ca,As,Mg and Mn mainly by interaction between seawater and sediment.
     主成分分析结果表明,Al、Cd、Co、Cr、Cu、Fe、Ni、Pb和Zn主要通过陆源输入进入近岸水域的沉积相中,Ca、As、Mg和Mn主要通过海洋环境中水相和沉积相的相互作用进入沉积相中。
短句来源
     ② Building the driving force model of land use change with 11 indicators,the paper,adopting "Principle Component Analysis" and SPSS13.0,shows it is the increase of population and economy that influences the whole land use change most;
     ②选择11项指标构建土地利用变化驱动力模型,采用“主成分分析法”及SPSS13.0统计软件,分析得出:影响该市土地利用变化的主要驱动力因子是人口和经济的增长;
短句来源
     An Application Research of Synthetic Evaluation about Hospital Management Quality by Using Principle Component Analysis and Factor Analysis
     主成分分析与因子分析法在医院管理质量综合评价中的应用研究
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  principal component analysis
A study on the principal component analysis (PCA) was done, taking the first canonical variable coordinate values as the phenotypic character gradient axes (PCGA).
      
The connection and difference between KPCA (Kernel Principal Component Analysis) and GDA is discussed.
      
To reduce the dimensions of the dataset resulted in a total of 28 spectral clusters of land-cover of which two clusters were urban/bare soil and water, the images were processed using principal component analysis (PCA).
      
Based on Remote Sensing (RS), Geographical Information Systems (GIS), and the Spatial Principal Component Analysis (SPCA) method, the integrated assessment and changes in the ecological environment of Daning River Watershed are studied in this paper.
      
The sensitive response of the populations in the communities was analyzed with principal component analysis (PCA).
      
更多          
  principal components analysis
Principal components analysis (PCA) allowed us to separate mycelia into two clusters according to different growth medium, indicating that spectra of strains may have been greatly affected by cultivation conditions.
      
Affine invariant descriptors using principal components analysis
      
This study deals with the application of several multivariate statistical methods (cluster analysis, principal components analysis, multiple regression on absolute principal components scores) for assessment of soil pollution by heavy metals.
      
The present paper deals with the application of classical and fuzzy principal components analysis to a large data set from coastal sediment analysis.
      
Rime samples characterization and comparison using classical and fuzzy principal components analysis
      
更多          
  pca
A single crystal X-ray analysis shows that compound 3 crystallizes in the triclinic system, space group P-1, and compound 4 crystallizes in orthorhombic system, space group Pca21.
      
A study on the principal component analysis (PCA) was done, taking the first canonical variable coordinate values as the phenotypic character gradient axes (PCGA).
      
To reduce the dimensions of the dataset resulted in a total of 28 spectral clusters of land-cover of which two clusters were urban/bare soil and water, the images were processed using principal component analysis (PCA).
      
The sensitive response of the populations in the communities was analyzed with principal component analysis (PCA).
      
The results of PCA showed that the sensitive response of the populations of the commu nities was significantly different under different kinds of human disturbance on the two scales in the three years.
      
更多          
  principle component analysis
bulbosum separated into two groups in the principle component analysis.
      
The principle component analysis was used to sort out the relationships between forest fire potentials and environmental factors.
      
To reduce the dimension of such variations while preserving density function of sample space, Principle Component Analysis (PCA) is used to find the principle differences and form the Intrapersonal Deformation Subspace (IDS).
      
Relative principle component and relative principle component analysis algorithm
      
This new method can overcome some disadvantages of the classical Principle Component Analysis (PCA) when data are rotundity scatter.
      
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