动力学方程中的参数用线性最小二乘法估计。
The parameters of the kinetic equation were estimated by the linear least square method.
之后,借鉴牛顿法、平衡法和摄动法对由移动最小二乘法得到的非线性代数方程组提出了新的求解方法。
And then an new iterative method is presented to solve the nonlinear equations system obtained from moving least-square approximation.
用线性最小二乘法、迭代法以及二分法与最小二乘法相结合的方法,以积分方程、微分方程和放热速率方程拟合dsc数据。
The DSC data obtained are fitted to the integral, differential and exothermic rate equations by linear least-squares, iterative, combined dichotomous and least-squares methods, respectively.
采用线性畸变模型,由最小二乘法解线性方程组得到摄像系统畸变模型的畸变系数。
Linear distortion model is used and distortion coefficients are obtained by resolving over-determined linear equations and least square method.
该方法是将互感线路的伏安特性方程转化为积分形式,并采用了最小二乘法求解方程组,同时得出各线路的零序自阻抗及线路间的零序互阻抗。
The new method turned the volt-ampere characteristic equation of transmission lines into an integral form, then used least square method to solve the equations and got the zero-sequence parameters.
离散型最小二乘法是解微分方程的加权残值法的一种。
The discrete least square method is one of methods of weighted residual (MWR) for Solving differential equations.
将最小二乘法应用于解算GPS定位方程,并对其进行精度估计,提出了一种新的星座选择算法。
We apply the least squares estimate to calculate GPS single point positioning equation and precision estimate, and put forward the new satellites' constellation choice algorithm.
采用线性畸变模型,由最小二乘法解线性方程组得到摄像系统畸变模型的畸变系数。
Linear distortion model was used and the distortion coefficients were obtained by resolving overdetermined linear equations and least square method.
非线性函数的最小二乘法拟合曲线需要求解一个非线性方程组。
It is necessary to solve a system of nonlinear equations for fitting the curve of nonlinear function by use of the least square method.
本文主要采用了两种参数提取方法:(1)将器件特性方程线性化,用最小二乘法提取相应参数。
There two extracting strategies in this thesis: (1) Transform the device characteristics equation to linear form and use "least squares fit" method to extract relevant parameters.
利用最小二乘法和龙格库塔方法求解含时薛定谔方程,研究了一维原子模型在超强激光场中的电离。
The ionization of one dimensional model atoms in ultra intense laser fields has been studied by solving time dependent Schrdinger equation using the least square fitting and the Runge Kutta methods.
采用最小二乘法求解矛盾方程组,可获得误差最小的唯一解。
A technique for sieving the overdetermined system is gived by utilizing least-square method and the unique solution with minimum-error is obtained.
该方法是将互感线路的伏安特性方程转化为积分形式,并采用了最小二乘法求解方程组,同时得出各线路的零序自阻抗及线路间的零序互阻抗。
The new method turned the volt - ampere characteristic equation of transmission lines into an integral form, then used least square method to solve the equations and got the zero-sequence parameters.
分析了最小二乘法使用的方程数、信噪比和虚警概率对检测概率的影响。
The influence of the ratio of signal to noise, probability of false alarm, and the number of equations on detection probability was analyzed.
采用最小二乘法建立啤酒销售量的月及逐日预报方程,并提出啤酒指数的概念。
Based on the research, the monthly and daily forecasting equations are built and the conception of index of beer is brought forward at last.
详细叙述了用能量法对建模的非线性方程进行线性化,并且利用总体最小二乘法对此类方程进行参数辨识。
A scheme utilizing is presented that energy method linearizes nonlinear equations which are acquired by modeling and the equations are solved by the total least squares.
通过引入微处理方法和迭代算法,我们可以用最小二乘法求解非线性方程逐步由一系列线性方程组。
By introducing the micro-disposal method and the iterative algorithm, we can use the least squares approach to solve the nonlinear equations progressively by a series of linear equations.
研究结果:用最小二乘法设计场地平整参数的法方程、土方量计算公式及其精度分析公式。
The results of it are the working equation, the count formulae of earthwork quantity and the precision analysis in planning the Unknotting Parameter of field in the use of least squares.
在解欧拉方程的过程中,常用的方法是最小二乘法求解。
In the process of calculating Euler's equation, the least squares algorithm is a common choice.
通过数字仿真计算验证了改进后算法的优良估计性能,将之与基于微分方程模型的最小二乘法、全波傅里叶算法作了比较。
The digital simulative results show its good performance of estimation. It is compared with differential equation model-based least square algorithm and all-ware Fourier algorithm.
用最小二乘法建立了与实验结果拟合良好的数学方程,获得了有益的操作参数并进行了模拟计算。
Mathematical equations gained by least-squares fit the experimental results well, and the favorable operation parameters were obtained and simulated.
最小二乘法方程组在某些组合情况下也会出现严重的病态方程。
The least square simultaneous equations in some cases of combination also have the problem of the abnormal state equation.
使用混沌与分形分析的例程,LCMV优化设计阵列处理信号,利用最小二乘法进行拟合多元非线性方程。
Use Chaos and fractal analysis routines, LCMV optimization design array signal processing, Multivariate least squares fitting method of nonlinear equations.
将所有点对坐标值代入刚体变换线性方程组,用最小二乘法求出从图像空间到手术空间的刚体变换矩阵,最终实现医学图像标志点的自动识别和配准。
Substituting coordinates of all pairs of points into rigid transform equations, one could use least squares to get the rigid transform matrix from image space to surgical space.
对结构方程模型——偏最小二乘法分析的模型结构、迭代原理进行了具体研究。
In this paper, the model structure and iterative theory of the structural equation modeling is studied.
应用需求函数理论对我国及全国西部的城镇居民需求进行分析,运用最小二乘法建立了单方程需求函数模型。
In this article we applied demand function theory to analyze demand of the whole nation people and the people of Chinese Towns in west, and establish single demand function Model.
该法用线性最小二乘法、迭代法以及二分法与最小二乘法相结合的方法,以积分方程、微分方程和放热速率方程拟合实验数据。
Thedata are fitted to the integral, differential and exothermic rate equations by linear least-squares, iterative, combined dichotomous and least-squares methods, respectively.
分别采用最小二乘法和神经网络方法对上述方程进行求解,推导出了关节动态刚度和阻尼的辨识模型。
Joint dynamic stiffness and damping were identified via solving the former identification model by use of least square method (LSM) or neural network method.
本文通过引入滑动最小二乘法和有限差分法,得到水动力学无单元计算法并应用于复杂边界的河道水流运动方程。
Based on the moving least squares method and the finite difference scheme, a new element \ | free method is proposed and used to simulate horizontal two dimension river flow with complicated boundary.
本文通过引入滑动最小二乘法和有限差分法,得到水动力学无单元计算法并应用于复杂边界的河道水流运动方程。
Based on the moving least squares method and the finite difference scheme, a new element \ | free method is proposed and used to simulate horizontal two dimension river flow with complicated boundary.
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