拟合推估,collocation
1)collocation[英][,k?l?'ke??n][美]['kɑl?'ke??n]拟合推估
1.Otherwise,the collocation results will be twist.拟合推估解算必须首先求得信号向量的方差协方差矩阵,该协方差矩阵一般通过选定的协方差函数,并通过已测点数据进行拟合得到。
2.After having reviewed the basic collocation theory, the principle of the collocation by two minimization steps is introduced.根据拟合推估两步极小解法的基本原理,将随机场分为趋势性和随机性两部分,对趋势性部分采用函数模型拟合后,用剩余残差拟合随机性信号协方差函数,再求解趋势性模型参数和随机信号。
英文短句/例句

1.least squares collocation最小二乘配置法,最小二乘拟合推估
2.APPLICATION OF ADAPTIVE COLLOCATION METHOD TO CRUSTAL DEFORMATION ANALYSIS自适应拟合推估在地壳形变分析中的应用
3.Application of collocation model based on quadric surface in GPS leveling surveying基于二次曲面的拟合推估法在GPS高程测量中的应用
4.Simulation Study for Consistency of Rosenblatt and Nearest Neighbors Estimates;Rosenblatt估计与最近邻估计相合性的模拟比较
5.Choice for fitting-model and accuracy estimating in GPS-levelingGPS水准拟合模型的选取与精度估计
6.Fitting varigram of coal bed evaluation with GEO-EAS software应用GEO-EAS拟合煤矿床估值中变异函数
7.WSN Algorithm Based on Discrete Estimation一种基于分段拟合估计的WSN定位算法
8.Reliability Assessment of Distribution Systems Based on Bayesian Networks Sequence Simulation Reasoning基于贝叶斯网络时序模拟推理的配电网可靠性评估
9.Hybrid Global Algorithm Wavelet Estimation and Extraction Via Higher Order Cumulants;高阶累积量全局混合法子波估计及外推
10.Expansion on r-moment Consistency of the Lest Squares Estimator in Linear Regression;线性模型最小二乘估计相合性定理的推广
11.Characterization, Prediction and Optimization of the Interfacial Adhesion of Composite Solid Propellant复合固体推进剂界面粘结的预估、表征及优化
12.The Modified Method of DOA Estimation Based on Least Squares Fitting修正的最小二乘拟合波达方向估计方法
13.Information Spread Estimation;基于信息扩散估计的误差分布解析拟合
14.A linear fit based Time of Arrival estimate Method for Wireless Sensor Network Nodes' Acoustic Ranging一种节点音频测距TOA值线性拟合估计方法
15.Evaluation Analysis on GPS Broadcast Ephemeris Parameters Based on the Ephemeris Fitting基于星历拟合的GPS广播星历参数评估分析
16.Weak Consistency of Quasi-Maximum Likelihood Estimates in Generalized Linear Models广义线性模型中拟似然估计的弱相合性
17.Image Autocoregistration and Interferogram Estimation Using Weighted Subspace Fitting基于加权子空间拟合的干涉相位估计方法
18.New DOA Estimation Algorithms Based on Subspace Fitting in Impulsive Noise冲击噪声下基于子空间拟合的DOA估计新算法
相关短句/例句

Least-square collocation拟合推估算法
3)least squares collocation(LSC)最小二乘拟合推估
1.The key problem of least squares collocation(LSC) is to ascertain experience covariance function.最小二乘拟合推估法的关键是要确定经验协方差函数 ,本文分析了协方差函数的待定参数对推估结果及其精度的影响 ,在此基础上经过实际计算 ,对协方差函数的待定参数的确定提出了自己的看法。
4)conventional solution of collocation拟合推估通行算法
5)least squares collocation最小二乘配置法,最小二乘拟合推估法
6)fitting of estimated formula估算式拟合
延伸阅读

拟合推估  亦称配置法,是一种推估方法,即根据某些观测数据,按一种特定的拟合法则,对随机参量和非随机参量进行推估。    观测有随机误差,参量中有随机变量,也有非随机变量。观测方程用矩阵表示如下:     式中L是含n个观测值的列向量,N是含n个观测误差的列向量,Y是含r个随机参量的列向量。这些都是随机变量,式中它们代表一次取值。X是含m个非随机参量的列向量,A和B是已知的n×m阶和n×r阶的系数矩阵。设N与Y无关联,其协方差分别为;权阵,,又设Y的数学期望为,则拟合推估在差的二次齐式     条件下进行,以求X、Y、N的估值。从以上的模型可见,拟合推估比一般平差问题增加了随机参量的推估。