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- Nonlinear least square with the global convergence has been designed and implemented in the Forstat. 数值实验表明:算法有极好的精确性和较好的全局收敛性与稳定性。
- The nonlinear least square estimation of target location in bistatic radar system and its iterative solution are concerned. 摘要考虑了双基地雷达目标定位问题中的非线性最小二乘方程组的迭代解法。
- With the theoretical and practical data analysis, it compares the nonlinear least square method (NLS)with the logarithmic linearization least square method (LLLS). 通过理论和实例分析,将非线性最小二乘(NLS)法与常用的对数线性化最小二乘(LLLS)法进行比较。
- A structured p step Newton algorithm for nonlinear least square problems is developed. The efficiency of the algorithm is analysed. For zero residual problem its convergence rate is q 2 order, which is the same with that of Newton algorithm. 给出了非线性最小二乘问题的结构 p步牛顿算法 ,分析了该算法的效率 ,结果表明 ,对零残差问题新算法具有 q- 2阶收敛速率 ,与牛顿法具有相同的收敛速率 ,由于新算法只需计算近似海赛矩阵 ,所以 ,其效应比牛顿法高 ;
- With the help of optimal performance of the nonlinear least square method, two optimal location algorithms (the LMF location algorithm and quasi-Newton location algorithm) are presented in this paper. 利用非线性最小二乘方法的最优性质,本文提出了双基地雷达的两种最优化算法:LMF(Levenberg-Marquardt-Fletcher)定位算法和拟牛顿定位算法。
- The Gauss-Newton method is applied to solve the nonlinear least square equations and a simple and applicable iterative formula is deduced, which is locally convergent and divergent sometimes. 介绍了采用非线性最小二乘方法回归乙烯深度氧化反应动力学方程。
- In order to improving the accuracy of stress intensity factors (SIFs) solved from the caustic method,two approaches based on the multiple points nonlinear least square method are presented. 为提高焦散线法求解应力强度因子的精度,提出了两种基于多点非线性最小二乘法的改进方法。
- As nonlinear least square(NLS)is rarely applied in target motion analysis(TMA)interiorly,NLS of bearings-only TMA is studied and methods to solve NLS based on genetic algorithms(GA)are put forward. 鉴于非线性最小二乘法在国内目标运动分析中应用较少的现状,研究了纯方位系统的非线性最小二乘解法,提出了遗传算法的求解方法。
- The improved nonlinear least squares (I-NLS) location algorithm and the maximum likelihood estimation (MLE) location algorithm were used based on the WSN. 在修正的气体污染源浓度衰减模型基础上,提出一种改进的非线性最小二乘算法(I-NLS)以及极大似然算法(MLE)用于气体污染源定位。
- From the point of view of Riemannian maniflod, this paper investigates the prob-lem on nonlinear least squares adjustment, and derives some formulas using tensor as atool. 本文从黎曼流形的观点出发研究了非线性最小二乘平差,并以张量作为工具导出了非线性最小二乘中的一些公式。
- A New Method of Solving Problem for Nonlinear Least Square 对最小二乘问题的研究
- A New Method of Solving Problem of Nonlinear Least Square 一个求解非线性最小二乘问题的新方法
- This paper considers nonlinear least squares problems,connecting new quasi-newton equations which has a higher-order curvature approximation with factorized quasi-newton method which is symmetric. 本文考虑非线性最小二乘问题,将具有更高的二阶曲率逼近的新拟牛顿方程和具有对称性的针对非线性最小二乘问题的分解方法结合起来。
- Structured p-step Newton Algorithm for Nonlinear Least Square Problems 非线性最小二乘问题的结构p步牛顿法
- Application of Genetic Simulated Annealing Algorithm in Nonlinear Least Square 遗传模拟退火算法在非线性最小二乘中的应用
- Synthesis of the Circular Antenna Array by the Nonlinear Least Square Method 采用非线性最小二乘法实现圆环天线阵的方向图综合
- Synthesis of the dual frequency array by the nonlinear least square method 双频阵列天线方向图的非线性最小二乘法综合
- Solving Linear & Nonlinear Least Squares Problems 解线性与非线性最小二乘问题
- nonlinear least squares estimation 非线性最小平方估计