principal components analysis pca 主成分分析
Kernel Principal Components Analysis 核主成分分析 ; 核主元分析
grey principal components analysis 灰色主成分分析
global principal components analysis 全局主成分分析
robust principal components analysis 稳健主分量分析
functional principal components analysis 函数主成分分析
morphometric principal components analysis 形态度量主成分分析
Factors and Principal Components Analysis 因子和主成份分析
Noise-adjusted principal components analysis 基于噪声调节的主成分分析
Then the Principal Components analysis is used to study the volatility characteristic of the yield curve which are simulated by the parameter model.
接下来对用参数模型法拟合出来的收益率曲线选取一年时间采用主成分分析研究国债收益率曲线变动模式特征。
参考来源 - 国债收益率曲线及其波动的实证研究With SPSS and AMOS software, the five assumptions that carry out principal components analysis, correlation analysis, structural equation analysis and regression analysis are examined.
运用SPSS和AMOS软件,进行主成份分析、相关分析、结构方程分析和回归分析,对文中提出的5个假设进行了检验。
参考来源 - 雇员工作绩效结构模型构建与实证研究Principal components analysis (PCA) were conducted for females and males respectively, and the results of PCA according to that of UPGMA.
雌株和雄株的主成分分析支持UPGMA 聚类结果。
参考来源 - 栽培罗汉果遗传多样性的ISSR、RAPD和AFLP分析In the paper, the basic knowledge of image fusion and fusion effect evaluation methods are provided. What’s more, some typical remote sensing image fusion methods are discussed, including IHS(Intensify-Hue-Saturation), HPF(High pass Filter), PCA(Principal components analysis) and wavelet analysis.
文中介绍了图像融合的基本知识和图像融合效果的评价方法,对目前一些典型的遥感多源图像融合方法进行了分析和讨论,其中包括IHS变换、HPF(高通滤波)、PCA(主分量分析)及小波变换等方法。
参考来源 - 基于多小波的遥感图像融合研究·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper proposes the use of principal components analysis as a RQ-mode procedure.
本文提出用主分量分析作为一种RQ式方法。
Methods Data is analyzed by principal components analysis and ambiguity synthetic judgment.
方法应用主成分分析法和模糊综合评判法分析数据。
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。
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