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。
Then the Principal Component Analysis (PCA) was used for data processing.
采用主成分分析进行数据处理。
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。
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。
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。
The Fourth chapter constructs the enterprise growth appraisal model which based on the principal component analysis.
第四章，构建了基于主成分分析法的企业成长性评价模型。
The principal component analysis and cluster analysis could be perfectly applied in data processing in inorganic elements.
主成分分析法和聚类分析法是藠头无机元素含量分析的有效方法。
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。
For those species with uncertainity of taxonomic status the principal component analysis was conducted for morphometric measurements.
对分类上存在疑问的种或亚种的测量数据进行了主成分分析。
By the principal component analysis, establish the controlling mathematic model between sensory quality and compose and absolute content.
通过苹果酒感官品质与可调控工艺参数之间关系的研究，构建了苹果酒品质调控数学模型；
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。
This article has classified the financial indices of the quoted companies by means of the principal component analysis and from empirical angle.
本文从实证角度，利用主成份分析法对上市公司财务状况进行分析研究。
The principal component analysis method was adopted to simplify the training pattern of neural network, and optimize the structure of the network.
采用主成分分析方法简化神经网络训练样本，进而优化网络的结构。
This is exactly the basic idea for the principal component analysis, which can help policy makers carry out a correct orientation of city "s brand."
这就是主成分分析法的基本思想，它能帮助决策者进行准确的城市品牌定位。
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。
The principal component analysis extracts the principal component and implements the column-wise compression, using the correlation between attributes.
主成分分析利用属性间相关性，提取主成分以实现纵向压缩；
This article puts forward to use the principal component analysis method to evaluate the accounting professional ethics and makes specific explanations.
提出用主成分分析方法来评价会计职业道德的方法，并对其做了具体的阐述。
The principal component analysis showed that 16 characters were integrated into 6 principal components and their additive contributing rate came up to 85%.
经过主成分分析，可将原16个性状综合为6个主成分，其累积贡献率可达85 %以上。
Based on the stepwise regression analysis and the principal component analysis, the soft-sensing method is presented to predict the quality of Chinese herb.
基于逐步回归分析与主成分分析，提出了用于中药质量预测的软测量方法。
The principal component analysis result shows that the most important factor is pollen shape when dealing with the pollen character, then P; E; L/P and so on.
依主成分分析结果，在孢粉分析时各性状指标按重要性依次为花粉形状、极轴长、赤道轴长及萌发沟与极轴长之比值等。
This paper, by using the principal component analysis method, establishes a mathematical model for overall evaluating the water pollution control engineering.
本文应用主分量分析法建立一个综合评价水污染控制工程的数学模型。
The principal component analysis of multi-statistic theory is applied to analyze the potential of engineering characteristics through the routine physical indexes.
运用多元统计理论中主成分分析原理，分析了海陆交互相沉积粘性土常规物理性质指标反映其工程特性的能力。
Then, this paper synthetically evaluates the comprehensive strength of patent about more developed 10 areas of our country by using the principal component analysis.
在此基础上，运用主成分分析方法对我国10个经济较发达地区的专利实力进行了分析评价。
The anomalous characteristic of the swarm activity is analyzed using the precursor swarm distinguishing equation constructed by the principal component analysis method.
应用主成分分析方法构建了前兆震群判别方程，对震群活动的异常特征进行了分析。
The proposed method is composed of the following three parts:(1) The feature space is reduced by the PCA(the principal component analysis) on the normalized input spectra;
该方法包括以下几个步骤：（1）先将训练样本归一化，再利用PCA变换进行降维，获得样本特征向量；
According to the principal component analysis method. The similarities among Chinese herbal medicines were studied the medicines are similar when their total scores are close.
基于主成分分析的方法，研究了中药的相似性。主成分综合得分越近，中药就越相似。
The values of analytical continuation at different depths from the potential field downward constitute the continuation field, on which the principal component analysis is made.
位场向下在不同深度上解析延拓的值构成延拓场，可对延拓场进行主成份分析。
Applying the principal component analysis method (PCA) to these variables, we compile a single composite index (G-Index) to rank Chinese listed firms' corporate governance levels.
基于这个变量体系，我们运用主元因素分析法编制了一个可反映上市公司治理水平的综合指标——G指标。
Based on the principal component analysis theory, a water quality comprehensive evaluation model was established and was used to evaluate the water quality of the South Feihe River.
基于主成分分析理论，建立了水质综合评价模型，以南淝河为例，对南淝河的水环境质量进行综合评价。
Based on the principal component analysis theory, a water quality comprehensive evaluation model was established and was used to evaluate the water quality of the South Feihe River.
基于主成分分析理论，建立了水质综合评价模型，以南淝河为例，对南淝河的水环境质量进行综合评价。
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