主成分分析使用属性之间的相关性实现按列压缩。
The principal component analysis implements the column-wise compression, using the correlation between attributes.
通过对图像特征融合的一般规律的研究,提出了一种基于二维主成分分析(简称2dpca)的图像特征融合算法。
From researching on the universal principle of feature fusion of image, a new algorithm was proposed which based on the 2 dimension principal component analyses (for short 2dpca).
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。
The principal component analysis (PCA) approach for sensor fault detection, identification and reconstruction in HVAC system is presented.
该方法首先利用小波变换和主成分分析对故障信号进行预处理,然后用处理后的故障特征数据对小波神经网络进行训练和测试。
The method uses wavelet transform and principle component analysis to preprocess fault signal, afterward training and testing wavelet neural network with the preprocessed fault characteristic data.
上市公司;业绩评价;战略;主成分分析;熵值法。
Listed companies; performance evaluation; strategic; principal component analysis; entropy method.
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。
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.
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;
Then analysis several main factors use of principal component analysis algorithm, rejecting the factor with minimum weight.
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 experiment results prove that this method is efficient, and it outperforms the 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.
主成分分析方法能够克服一些其他分析方法的缺点,减少主观的因素,使分析结果能够客观地反应事实。
Principal component analytical method can get rid of disadvantages of other methods, reduce subjective factors and make analytical result reflect facts objectively.
综合运用主成分分析、对应分析、最优尺度分析方法,会使消费者行为研究更有深度。
The research of Consumer's behavior will be deepened if correspondence analysis, optimal scaling technique and factor analysis are adopted together.
与主成分分析等方法相比,对应分析与最优尺度分析方法具有其独特的优势。
Compared with factor analysis, correspondence analysis and optimal scaling technique have unique advantages.
本文利用主成分分析和对数中心化的方法对江河水质进行综合定量评价。
The integrated quantitative evaluation on river water quality was made by principle components analysis and logarithm center method.
主成分分析(PCA)是自动人脸识别的常用方法。
Principal Component Analysis (PCA) is a common method in face recognition.
为了进一步提高预测精度和网络训练的效率,对众多的预报因子采用主成分分析的方法进行降维处理。
For improving forecast accuracy and the efficiency of network training, we USES principle components analysis method to reduce the dimensionality of the feature space.
河南省;粮食生产动态变化;主成分分析。
Henan Province; grain production; dynamic variety; Principal Component Analysis.
根据主成分分析的定义,它本质上具有分类的能力。
Based on the definition of PCA, it essentially owns classification ability.
在主成分分析与模糊理论的基础上,构建了模糊综合评价模型。
A comprehensive fuzzy appraisal model is set up based on primary component analysis and fuzzy theory.
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。
This article puts forward to use the principal component analysis method to evaluate the accounting professional ethics and makes specific explanations.
主成分分析属多元统计方法,正逐步成为控制领域中一种重要的数据处理方法,用于生产监测和质量控制。
Principle component analysis is based on multi-statistics method, and turning into an important way to proceed data for production monitoring and quality control.
主成分分析能有效估计这一几何体的本征维数。
The principal component analysis can estimate the intrinsic dimensionality of the hyper-plane.
研究了改善主成分分析算法鲁棒性的一种实现途径。
One way to improve the robustness of principal component analysis is studied in the paper.
实验结果证明了基于主成分分析的异常检测方法的有效性。
The results of the experiment show that the anomaly detection method based on principal component analysis is effective.
用主成分分析与聚类分析结合的方法划分关键井中标准样本层的测井相类型;
The types of electrofacies of standard sample beds from key well are classified by a combination of principal component and cluster 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。
Then, this paper synthetically evaluates the comprehensive strength of patent about more developed 10 areas of our country by using the principal component analysis.
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 anomalous characteristic of the swarm activity is analyzed using the precursor swarm distinguishing equation constructed by the principal component analysis method.
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。
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.
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。
Principal component analysis is a linear method, but the most data are nonlinear.
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