主元回归,principal component regression
1)principal component regression主元回归
1.Linear perturbation models for product quality,linearized around the nominal trajectories, are identified from process operational data using principal component regression (PCR) and partial least squares (PLS) regression.利用主元回归(principal component regression,PCR)和部分最小二乘(partial least squares,PLS)方法,可以得到过程对象在正常运行轨迹附近线性化的模型。
2.This paper makes research on various methods of real-time flood forecasting at the Sujiahekou dam site in the Binlang River basin,including recursive least squares method,orthogonal projection method,forgetting factor method,covariance-adjusting forgetting factor method and principal component regression method.研究了槟榔江流域苏家河口坝址洪水的多种实时预报方法,包括递推最小二乘法、正交投影法、遗忘因子法、协方差重调遗忘因子法以及主元回归方法,并根据流量级在线调整预见期。
2)PCR主元回归
1.Aiming at the online estimate of consistency of Br ion that is in oxidizing reactor in PTA unit,four soft sensing models are built based on BPNN,RBFNN, PCR and PLS.以某厂PTA生产车间氧化反应器进料中溴离子浓度的测量为例 ,探讨了软测量技术在石油化工生产过程中的应用 ,建立了溴离子浓度的基于BP网络、RBF网络、主元回归法和偏最小二乘法的四种软测量模型。
3)Nonlinear principal component regression非线性主元回归
4)principal component regression model主元回归模型
1.Fault diagnosis for excavator′s hydraulic system based on principal component regression model;基于主元回归模型的挖掘机液压系统故障诊断
5)multiple regression多元回归
1.Multiple regression of the related factors on the attack rate of influenza outbreak in Hangzhou city;杭州市流感暴发疫情罹患率相关因素多元回归分析
2.A method of optimizing a candidate zone to be fractured with multiple regression and neural network is put forward in the paper because there are some problems in Wuliyasi Sag, such as strong reservoir heterogeneity, poor interlayer shielding, big difference between fractured wells and it is hard to select good candidate wells.针对乌里雅斯太凹陷储层非均质性强、隔层遮挡性差、压裂井投产后效果相差悬殊,优选增产效果好的候选井层难的特点,本文提出了利用多元回归和神经网络优选待选压裂井层的方法。
3.Then we put forward the computation formula for base distortion and energy consumption of multiple regression with fortified intensity, base thickness and liquid level.采用ANSYS有限元分析系统中的流体单元(fluid80)、壳单元(shell181)、实体单元(solid45),建立了立式钢制储罐地震响应分析的三维有限元模型;选取有代表性的4种地震波,计算了工程上常用的8种浮顶罐的耗能及变形;以抗震设防烈度、储罐的底板厚度、储液的高度等参数为变量,采用多元回归的方法,给出了各种储罐底板变形及耗能的实用简化计算公式,以便于实际工程中的应用。
英文短句/例句

1.Discussion of the Application of Multiple Regression Analysis and Logistic Regression Analysis;多元回归分析与Logistic回归分析的应用研究
2.Coal Demand Prediction Based on Partial Regression Square Sum and Multiple Regression基于偏回归平方和与多元回归的煤炭需求预测
3.Research on the Interactional Multivariate Regression and Multivariate Time Series Mixed Model;交互影响的多元回归与多元时序混合模型研究
4.The Software Solving of Multiple Regression and Correlation Analysis and Case Explanation多元回归分析的软件求解和案例解读
5.In this lecture we introduce the multiple regression.在本次课中,我们介绍了多元回归
6.The Research for Method of Regression Analysis on Experiment Design;试验设计中多元回归分析方法的研究
7.Multiple Regression Method for a Military Aircraft Spares Demand一种军机备件需求量的多元回归解法
8.Program for Multiple Regression Analysis by Means of Excel/VBA多元回归分析的Excel/VBA程序设计
9.Steganalytic Scheme for JPEG Images Based on Multivariate Regression基于多元回归的JPEG隐密分析方案
10.ADMISSIBLE LINEAR ESTIMATORS IN RESTRICTED MULTIVARIATE REGRESSION MODEL带有线性约束的多元回归模型中回归系数的线性估计的可容许性
11.312 Accordingly, the end for multiple regression as against linear regression appeared quite reasonable.因此,同线性回归相比,这种对多元回归的需要看来是颇有道理的。
12.On Factors Made Drug Users Hard to Come Back Society试析吸毒人员回归社会难的多元因素
13.Ridge Regression Estimation for Ill-conditioned Systems of Multicomponent Spectrophotometric Determination多元光度测定病态系统的岭回归估计
14.Principal Components Estimate of Regression Coefficient of Multivariate Linear Regression Model;多元线性模型回归系数的主成分估计
15.Multivariate Regression Prediction Analysis of Multiple Quality Characteristics;多元质量特性预报:MULTIVARIATE回归分析的应用
16.THE BAYES ESTIMATOR IN A MULTIVARIATE LINEAR REGRESSION UNDER MISSPECIFICATION;错误指定多元线性回归模型的Bayes估计
17.Some problems on heteroscedasticity in multi-linear regression models;多元线性回归模型中的异方差性问题
18.Minimax estimation in multivariate linear regression model under restrictions有约束的多元线性回归模型的Minimax估计
相关短句/例句

PCR主元回归
1.Aiming at the online estimate of consistency of Br ion that is in oxidizing reactor in PTA unit,four soft sensing models are built based on BPNN,RBFNN, PCR and PLS.以某厂PTA生产车间氧化反应器进料中溴离子浓度的测量为例 ,探讨了软测量技术在石油化工生产过程中的应用 ,建立了溴离子浓度的基于BP网络、RBF网络、主元回归法和偏最小二乘法的四种软测量模型。
3)Nonlinear principal component regression非线性主元回归
4)principal component regression model主元回归模型
1.Fault diagnosis for excavator′s hydraulic system based on principal component regression model;基于主元回归模型的挖掘机液压系统故障诊断
5)multiple regression多元回归
1.Multiple regression of the related factors on the attack rate of influenza outbreak in Hangzhou city;杭州市流感暴发疫情罹患率相关因素多元回归分析
2.A method of optimizing a candidate zone to be fractured with multiple regression and neural network is put forward in the paper because there are some problems in Wuliyasi Sag, such as strong reservoir heterogeneity, poor interlayer shielding, big difference between fractured wells and it is hard to select good candidate wells.针对乌里雅斯太凹陷储层非均质性强、隔层遮挡性差、压裂井投产后效果相差悬殊,优选增产效果好的候选井层难的特点,本文提出了利用多元回归和神经网络优选待选压裂井层的方法。
3.Then we put forward the computation formula for base distortion and energy consumption of multiple regression with fortified intensity, base thickness and liquid level.采用ANSYS有限元分析系统中的流体单元(fluid80)、壳单元(shell181)、实体单元(solid45),建立了立式钢制储罐地震响应分析的三维有限元模型;选取有代表性的4种地震波,计算了工程上常用的8种浮顶罐的耗能及变形;以抗震设防烈度、储罐的底板厚度、储液的高度等参数为变量,采用多元回归的方法,给出了各种储罐底板变形及耗能的实用简化计算公式,以便于实际工程中的应用。
6)multivariate regression多元回归
1.For the problem that the dependent variable has many independent variables and their sampling periods are also different, a predicting method is proposed by using synthetically the data analysis methods of support vector regression (SVR), multivariate regression and principal component analysis, etc.针对一类因变量具有复杂自变量、且不具备相同采样周期的预测问题,综合运用支持向量回归估计(SVR)、多元回归和主成分分析等多种数据分析技术,提出了一种综合预测方法,建立起了飞机故障率与其错综复杂的影响因素间的一种数学关系,并且采用航空装备质量控制的统计数据对所提出的方法进行了实验,预测结果显示了方法的有效性。
2.The inherent laws behind the numerical data were discovered after the data were processed by the multivariate regression model and computer simulation.对 198 8 - 1998年大亚湾核电站周围环境的放射性监测数据通过多元回归模型和计算机模拟 ,研究他们之间的内在规律性 。
3.The multivariate regression has two defects.多元回归有两个缺陷:(1)自变量的限制条件过为苛刻;(2)稳健性差。
延伸阅读

主成分回归分析分子式:CAS号:性质:以主成分为自变量进行的回归分析。是分析多元共线性问题的一种方法。用主成分得到的回归关系不像用原自变量建立的回归关系那样容易解释。