PCA是什么意思

网络释义

用法例句

Modeling of aroma quality evaluation of cider based on principal component analysis;

基于主成分分析法的苹果酒香气质量评价模型的构建

Study on hydrological cycle effect in river basin based on principal component analysis;

基于主成分分析法的流域水循环效应

The classification of land use potentials in cities of China based on principal component analysis;

基于主成分分析法的城市土地利用潜力评价

This thesis has explained the concept of node importance of highway network,put forward new methods that confirmed node importance by using principal components analysis and factor analysis synthetically.

阐述公路网节点重要度的概念,提出运用主成分分析法与因子分析法两种评价方法来确定节点重要度的新思路,并对广西省来宾市的10个乡镇节点进行实证研究,综合比较两种方法的分析结果,确定各节点在该市公路网规划中的重要度。

By using the principal components analysis method, the synthetic evaluation of 31 provinces and cities urbanization is described.

采用多元统计分析中的主成分分析法,对全国31个省市的城市化水平给予了综合评价。

The indices are managed by principal components analysis to get 7 principal components.

分析建立编队级网络对抗评估指标体系的原则,用主成分分析法对指标进行处理,求得7个主成分。

Taking Chengdu as an example,the sustainable development model is worked out and coordinated development degree of this region is analyzed on the basis of ascertaining each exponential weight of eco-environment and social economy based on the PCA.

以成都市为研究区域,采用主成分分析法(PCA)确定选取的生态环境与社会经济各项指标的权重,在此基础上建立可持续发展模型,对该区域生态环境与社会经济的协调发展度进行了分析。

The PCA(principal component analysis) of multivariate statistics is applied to the performance evaluation system with a telecom enterprise taken as multi-objective example to analyze.

将多元统计中的主成分分析法运用于电信企业绩效评价体系中,并针对实例进行了分析和评价。

Based on principal component analysis(PCA),a multi-step method to predict the molten iron sil- icon content using dynamic neural network is introduced.

本文提出一种基于主成分分析法的动态神经网络模型实现高炉铁水含硅量多步预报。

Comprehensive evaluation of management performance of Zhanghe Irrigation District based on Principal Component Analysis Method

基于主成分分析法的漳河灌区运行管理水平综合评价

Reaction mechanisms were reduced by principal component analysis method and global sensitivity analysis method for one dimension steady laminar premixed flame model.

针对一维稳态层流预混火焰模型,分别采用主成分分析法和总敏感性分析法进行了反应机理的简化,结果表明,主成分分析法进行机理简化要优于总敏感性分析法,是一种有效的反应机理简化方法。

Proved by example, the model of principal component analysis method in BP neural network has better effect than that of common BP neural network model in the course of the simulated predication.

主要介绍用主成分分析法对输入变量进行预处理的方法 。

The principle component analysis is proposed to solve the Multivariate-quality-control problem existed in some big enterprises, and the theory of principle component analysis is introduced.

提出以多元统计方法中的主成分分析法解决大型企业中的多元质量控制问题。

By applying the principles and the measuring indicators system with the tool of AHP method, this paper measures and analyzes the practical process of 6 mechanical sub industries, and compares the result with that gotten from the Principle Component Analysis method.

本文探讨了我国传统产业信息化水平的测度方法和指标体系 ,并运用该指标体系 ,采用层次分析法对我国典型的传统行业———机械工业所属的 6个分行业进行了产业信息化水平的实证分析、测量 ,并把所得结果同主成分分析法得出的结果进行了比较 ,研究结果对分析我国传统产业信息化进程的相关研究有一定的参考作用 ,测度方法对其他产业信息化水平的研究分析工作也有较大的参考借鉴价值。

On the basis of this,this paper suggests that analytic hierarchy process(AHP) and principle component analysis(PCA) can .

以此为基础,提出同时采用层次分析法(AHP)和主成分分析法进行风险发生概率的评价,在两种评价方法结果不一致时,辅以模糊综合评价技术对工程项目风险进行分析评价,以提高工程项目风险评价的准确性和科学性。

Principal component analytical method can get rid of disadvantages of other methods,reduce subjective factors and make analytical result reflect facts objectively.

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。

Improvement of Data Processing Method in Principal Component Analysis;

主成分分析法中数据处理方法的改进

The Web Page Recommend Algorithm based on Principal Component Analysis

基于主成分分析法的Web页面推荐算法

Application of principal component analysis method in cost analysis for gold mine;

主成分分析法在黄金矿山成本分析中的应用

The Application of Principal Component Analysis Method in Urban Land Evaluation;

城镇土地评价中主成分分析法的应用

University EHR System Based on Main Component Analysis;

基于主成分分析法的高校EHR系统

Detecting gross errors in DEM of regular data based on PCA

基于主成分分析法的DEM粗差定位

Using PCA to Analysis the Financial Index of Baotou Steel Stock Lt.Co in 2006;

用主成分分析法对包钢2006年财务指标进行分析

A study of real estates investment environment based on principal componential analysis;

基于主成分分析法的房地产投资环境分析

ANALYSIS OF THE CONSTRAINING FACTORS FOR THE DEVELOPMENT OF URBANIZATION BASED ON PRINCIPAL COMPONENT ANALYSIS;

基于主成分分析法的城市化发展限制因素分析

Principal Component Analysis Apply in Water Quality Assessment

主成分分析法在水质评价中的应用及分析

Analysis about Cognitive Difference of Leadership Based on Principal Component Analysis

基于主成分分析法的领导认知差异分析

Application of Principal Component Analysis for Vibration and Noise Source

主成分分析法在振动噪声源分析中的应用

Application of Principle Component Analysis on Plum Storage Characteristic

主成分分析法在李果实贮藏特性分析中的应用

KPCA extracting principal component with nonlinear method is an improved conventional PCA.

核主成分分析方法是主成分分析的改进算法，其采用非线性方法提取主成分。

PRINCIPAL COMPONENT ANALYSIS OF THE TEACHING EFFECTS IN MULTI-MEDIA AUDIO-VISUAL FRENCH COURSES

多媒体法语视听教学效果主成分分析

Research on Face Recognition Methods Based on Principal Component Analysis;

基于主成分分析的人脸识别方法研究

The Principal Component Analysis Method of the Water Quality Assessment in Rivers;

河流水质综合评价之主成分分析方法

Ear Recognition Based on Principle Component Analysis

基于主成分分析的人耳识别方法研究