非线性最小二乘法

用非线性最小二乘法提高测辨精度

To Improve the Accuracy of Identification by Using Nonlinear Least Squares

基于改进型非线性最小二乘法的作物模型隐含参数估计

Application of Nonlinear Least Squares Method to Crop Growth Structure-function Simulation Model

多重信号分类（MUSIC）方法应用到时域空域数据的多偶极子定位计算中，避免了非线性最小二乘法的局部最小。

By using the MUSIC algorithm to locate multiple dipolar sources from EEG and MEG data , it can avoid the local minimum of non-linear least square .

引入非线性最小二乘法原理及最速下降方法，运用VB计算机语言编制相应程序进行求解。

The method of fastest optimizing algorithm and nonlinear regression analysis is utilized to seek answer by using VB computer language .

考察了催化剂载体、膜电极组件（MEA）的结构和运行条件对氧电极性能的影响并使用非线性最小二乘法拟合了电池参数。

The effect of carrier of catalyst , structure of MEA and running condition were investigated .

方法引用流行病学数学模型SI，用非线性最小二乘法把HIV感染者的数据与数学模型进行曲线拟合。

Method The epidemiological patterns of HIV infection in HongKong were analyzed with a mathematic model SI by changing its initial condition , which was used to test the related data .

本文利用分形BET方程，基于非线性最小二乘法，提出一种新的分形维数计算途径。

In this paper , a new method which is based on fractal BET model with the help of non-linear least square is introduced to calculate fractal dimension .

纯方位系统TMA非线性最小二乘法&理论数学模型与常规算法

Nonlinear Least-Squares Algorithms Used for TMA in Bearings-only System & The Theoretical Mathematic Model and Conventional Algorithms

反过来，运用ABINITIO和非线性最小二乘法拟合出了HF分子的Murrell-Sorbie势能函数和势能参数；

Opposite to this Murrell-Sorbie potential function and parameters for HF molecules are fitted applying to ab initio calculation and nonlinear least square method .

通过Gauss-Seidel迭代并利用非线性最小二乘法对整个模型进行估计，分析最优资本结构及调整速度的影响因素等。

Gauss-Seidel iteration and Non-linear OLS are used to estimate the entire model , and analyze the optimal capital structure and the factors of speed of adjustment .

用非线性最小二乘法关联了Wilson和NRTL方程的能量参数，推算了三元和四元体系的汽-液平衡。

Optimized by the nonlinear least-squares method , the Wilson and NRTL equations'energy parameters were calculated from the binary experimental data . Predictions of vapor-liquid equilibrium were made for the ternary and quaternary systems .

在QRS波群的特征提取方面，引入了曲线拟合的概念，并提出了使用非线性最小二乘法来拟合QRS波群的算法，算法的特点是引入与QRS波群相似的特殊原型函数进行拟合。

In the QRS complex feature extraction , the author presents a curve fitting idea using nonlinear least squares algorithm for QRS complex feature extraction . The feature of the algorithm is using several special function prototypes which are similar to the QRS complex for fitting .

方法采用非线性最小二乘法模型嵌合通用程序对各累积释放百分数进行模型嵌合，根据最小AIC值和最小偏差平方和原则，选择最佳释药动力学方程，并将结果与线性方程拟合结果比较；

METHODS The accumulative release percent-time equation describing the release kinetics of two kinds of pellets and their combined capsule was deduced by non-linear least square model fit program and it was compared with the equation infered according to linear model fit .

中子解谱分为两步：首先利用以韦斯科特（Westcott）参数为基础的谱函数，通过对反应率的观测值和计算值进行非线性最小二乘法拟合，求得待定参数；

There are two steps for the solution of a neutron spectrum : first , the spectrum function based on Westcott 's parameters is used , and these parameters are determined by a non-linear least-squares fit of the reaction rates both for observation and calculation ;

用Tidwell-Mortimer非线性最小二乘法计算原理，在计算步骤上作了有意义的改进后，导出能用于高转化率下计算一般二元共聚体系竞聚率的公式。

Attempting to calculate the monomer reactivity ratio ( m. r. r. ) for binary copolymerizing system at high conversion by integral model , a formula has been derived by using the principle of the Tidwell-Mortimer nonlinear least square method with improved " optimization of initial value " .

非线性最小二乘法在高自旋态唯象模型研究中的应用

The application of the least squares method for high spin phenomena

非线性最小二乘法：一种测定热物性的有效方法

Nonlinear least square method : an effective measurement of thermophysical properties

模型中的参数估计采用非线性最小二乘法。

The parameters are estimated with non linear least square method .

非线性最小二乘法用于估算指数时间模型。

Non-Linear Least Squares were used to estimate the exponential time model .

双频阵列天线方向图的非线性最小二乘法综合

Synthesis of the dual frequency array by the nonlinear least square method

非线性最小二乘法在金刚石研磨振动信号处理中的应用

Application of Nonlinear Least Square Method on Vibration Signals Processing of Diamond Polishing

非线性最小二乘法分析疟疾发病率的变化趋势

Nonlinear Least-squares Method Analyzing the Trend of Malaria Incidence

压电材料复参数的非线性最小二乘法估计

The Estimation of Complex Parameter of Piezoelectric Materials Using Nonlinear Least Squares Method

基于模糊聚类与非线性最小二乘法的径向基网络设计

Design Method of Radial Basis Function Network Based on Improved Grads and Mountain Clustering

结合非线性最小二乘法，对运动模拟器进行了运动学标定参数的求解。

Through a nonlinear least squares method , parameters of the simulator are identified .

应用非线性最小二乘法的无需标准溶液滴定

Application of Nonlinear Least Squares Method in the Calculation of Acid-Base Titration without Standard Solution

焦散法求解应力强度因子的非线性最小二乘法

A Nonlinear Least-Square Technique for Solving the Stress Intensity Factors of Cracks by Method of Caustics

最优化技术中的良态搜索方向及其在非线性最小二乘法中的实现

The well-conditioned search direction in optimization techniques and its realization in method of nonlinear least squares

并采用非线性最小二乘法建立了脐静脉的非线性本构关系，为脐静脉的临床应用和实验研究从生物力学性质上提供理论依据和实用参数。

Some theories and usful parameters on biological mechanics were provided for experimental studies and chinical use .

非线性最小二乘法在分析河流水团示踪试验数据中的应用

The application of nonlinear least square method to analyzing data of water mass tracer test of stream