加权最小二乘法,Weighted least square method
1)Weighted least square method加权最小二乘法
1.It fuses the weighted least square method in the process of expanding the local map systems to improve location precision.针对该问题,提出一种改进的基于无线传感器网络坐标系统拓展定位算法,在拓展局部坐标过程中融合加权最小二乘法来抑制累积误差,从而提高节点定位精度。
2.By constructing the conditional mean of the interval censored covariate,the estimators of parameters are obtained by the weighted least square method.研究了当协变量为区间数据时的变系数一维线性结构关系模型,通过构造区间数据变量的条件均值,它与区间数据变量具有相同的均值,然后利用加权最小二乘法得到了变系数一维线性结构关系模型中的参数估计,当协变量的分布已知时,证明了估计的弱相合性和强相合性。
3.This paper uses iterative weighted least square method based on MATLAB soft for makingrobust estimation by the example of the Runyang Bridge engineering.经典的LS估计法(least squares estimation,LS estimation)是对每个观测数据都给予相同的权重,由此带来了对于异常值的处理不当,从而影响了回归模型的有效性,本文采用迭代加权最小二乘法来进行稳健估计(RobustEstimation),并基于MATLAB软件结合润扬大桥工程实例说明了此法的有效性。
英文短句/例句
1.Identification of Servo System Based on Weighted Least Square Method in Frequency Domain基于频域加权最小二乘法的一类伺服系统辨识
2.Application of Power Least Square Method in Piano Fundamental Frequency Estimation加权最小二乘法在钢琴基频估计中的应用
3.Preliminary Discussion on Weighted Least Square Method and Its Residual Plot:Also Answering Associate Professor Sun Xiaosu;浅谈加权最小二乘法及其残差图——兼答孙小素副教授
4.The Research of Residual Plots of Weighted Least Square Method--The Argument against Professor He Xiaoqun;加权最小二乘法残差图问题探讨——与何晓群教授商榷
5.Cost Assessment on the Batch Manufacturing of Weaponry Using Weighted Least Squares Method基于加权最小二乘法的武器装备批量生产成本费用研究
6.Technique Analysis on Recursion Weighted Lest Square Algorithm Used in Direction-Finding Location in Multi-Stations多站测向定位中递归加权最小二乘法的技术分析
7.weighted least square criterion加权最小二乘方准则
8.Weighted Minimum Mean Square Kalman Filter基于加权最小二乘的卡尔曼滤波算法
9.Local Weighting Least-square Method of Weight-varying Combination of Forecast Models;变权重组合预测模型的局部加权最小二乘解法
10.Application of weighted least square method to machine vision system加权最小二乘算法在机器视觉系统中的应用
11.Application of Weighted Type Least Squares on Multiphase Flow Meter最小二乘加权法在多相流计量中的应用
12.Set membership estimation by weighted least squares support vector machines集员估计的加权最小二乘支持向量机方法
13.The weighted least squares collocation method of RBF local interpolation径向基函数局部插值的加权最小二乘配点法
14.Weighted Least Squares Estimate for Linear Regression Model;线性回归模型中的加权最小二乘估计
15.Optimal solution on weighted total least absolute deviations关于多元加权全最小一乘法的最优解
16.Simulation results show that the weighted least squares estimate has better properties than the least squares estimate.模拟结果表明加权最小二乘估计比最小二乘估计有优良的性质。
17.The Research of Iterative Reweightd Least Squares Techniques for FIR Digital Filters;FIR数字滤波器设计的迭代重加权最小二乘算法研究
18.Fluorescence Discrimination Technique Based on Weighted Nonnegative Least-squares for the Phytoplankton in the Coastal Waters;基于加权非负最小二乘法的近海浮游植物荧光识别测定技术
相关短句/例句
weighted least square加权最小二乘法
1.Parameter estimation with equality constraints based onweighted least square;带等式约束的加权最小二乘法参数估计
2.Methods Marginal proportion functions were calculated by usingweighted least square (WLS) method through SAS system.方法采用加权最小二乘法建立边际函数模型,给出治疗中风临床试验实例,调用SAS统计软件包中CATMOD过程对重复测量分类数据资料进行统计分析。
3.The initial data is preprocessed at first,then the universal M-estimation is transferred to WLS(weighted least square) and the weight coefficients are related with the errors.该方法首先对生数据进行预处理,然后基于抗差原理,利用权因子把一般性的M估计转换为加权最小二乘法,并将权系数和余差联系起来,有效地解决了常规加权最小二乘法中,由于常数权系数所导致的,对粗差处理能力不足的问题。
3)weighted least squares method加权最小二乘法
1.The antecedent parameters of Takagi-Sugeno fuzzy model are off-line identified by fuzzy C-means algorithm,its consequent part is determined byweighted least squares method.模型的前件参数由模糊C均值聚类算法确定,后件参数由加权最小二乘法离线辨识,并用现场实测数据对模型后件参数进行在线调整。
2.And theweighted least squares method is presented for gaining more accurate results of correlation dimensions.在数据后处理方面,本文提出了加权最小二乘法,使维数计算更精确,更适合实际。
4)WLS加权最小二乘法
1.In this paper,the effects of OLS method andWLS method in analysis of one-way nested design with unequal subclass numbers are examined.对普通最小二乘法和加权最小二乘法在不等重复单因素系统分组试验中的分析效果进行了比较研究。
5)weighted least-squares method加权最小二乘法
1.Here by analyzing the origin of error , and theweighted least-squares method was used to retrieve the different optical absorption spectrum,by comparing the result of the simulated spectrum with the two methods, experiments indicate considering the weight of each channel is essential when the trace gases concentrations are r.本文从误差理论分析入手,采用加权最小二乘法对差分吸收光谱进行反演,并比较了两种方法对同一组仿真大气光谱的反演结果,表明在光谱数据反演时考虑各个光谱通道的权重是有必要的。
6)Least Weighted Square最小加权二乘法
延伸阅读
加权最小二乘法分子式：CAS号：性质：根据在一组不等精度测定值中，最佳值是能使各测定值的加权偏差平方和为最小的那个值的原理，进行参数估计的方法。
