可以采用非线性参数估计的方法反演地层的渗透率;
Nonlinear parameter estimation approach can also be used to converse the formation permeability.
估计结果表明,样条函数法是非线性参数估计的重要方法之一。
The estimation result show that spline function method is one of important methods for nonlinear parameter estimation.
采用非线性参数估计可同时估计出热扩散率、散热系数以及试样吸收的能量。
The nonlinear parameter estimation technique can simultaneously estimate the thermal conductivity, heat transfer coefficient and absorbed energy.
粒子群算法操作简便、容易实现且全局搜索功能较强,适用于非线性参数估计。
Considering that the particle swarm optimization (PSO) algorithm is quite simple and easy to implement, it was used to estimate the nonlinear model parameters in this paper.
用非线性参数估计法对四氢萘加氢裂化反应网络的拟一级动力学常数进行了计算。
The pseudo-first-order kinetic rate constant of each step in the network of hydrocracking of tetralin was evaluated by the nonlinear parameter estimation method.
文中还将改进的实数遗传算法用于测量数据的估计中,得到了较好的线性和非线性参数估计结果。
The new algorithm is also used in parameter estimate, and the results of linear estimate and nonlinear estimate all show the effective of the improved algorithm.
演化计算在不同的科学领域得到了广泛的应用,其中演化非线性参数估计是演化计算的应用方向之一。
Evolutionary computation has found vast application to many science fields, of which evolutionary non-linear parameter evaluation is one direction.
通过应用于非线性参数估计的仿真计算,表明了这种杂交算子的有效性及其相对于普通杂交算子的优点。
The operator was applied to simulating parameter estimation of nonlinear system, and the resulted showed its validity and its superiority over a general crossover operator.
非线性结构的参数估计和系统识别是取得和验证非线性结构数学模型的一门学科。
The parameter estimation and system identification of nonlinear structures is a subject which serves to obtain and verify mathematical model of nonlinear structures.
针对利用导弹引信多普勒频率数据求取脱靶量的问题,提出了一种非线性最小二乘优化参数估计方法。
In regard of evaluating miss distance of using missile fuze Doppler spectrum data, a optimizing parameter estimated method of nonlinear least square is put forward.
提出一种非线性离散动态大系统系统优化与参数估计集成的关联平衡协调算法。
In this paper, an interaction balance coordination algorithm of integrated system optimization and parameter estimation for nonlinear discrete dynamic large scale system is introduced.
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.
本文基于一类非线性扩散过程的离散可观测数据,建立一种新的参数估计方法。
The paper proposes a new method to estimate nonlinear diffusions based on discretely observed data, and gives some properties of the corresponding parameters estimation.
控制器的设计是直接基于称为伪偏导数的向量,伪偏导数是通过新型参数估计算法,根据给出的永磁直流直线电机非线性系统模型的输入输出信息在线导出的。
The design of controller is based directly on pseudo- partial-derivatives (PPD) derived on-line from the input and output information of the system using a novel parameter estimation algorithm.
本文探讨了非线性粉体动态数学模型的参数估计方法,研制了用于该方法的计算机软件H - 16。
The method for estimating the parameters of dynamic mathematical models for non-linear powder bodies and the computer program, H-16, based on this method were developed.
实例分析表明,该方法简便、通用,具有较高拟合精度,是非线性、不连续可微模型参数估计的方法。
The actual practice shows that this new method is convenient, universal and precise. It is an excellent method for estimating parameters of non-linear, uncontinuous or undifferential model.
通过引入非线性阻尼项,保证了闭环系统的所有信号都是全局稳定的,而且跟踪误差及参数估计误差均收敛于零。
By introducing nonlinear damping term, it is proved that all signals in the closed-loop system are globally stable, and the tracking error and the parameter (estimation) error converge to zero.
本文提出一类非线性连续系统的参数估计方法。
A parameter estimation method is proposed for a class of nonlinear continuous system.
所提出的辨识新方法,以递推最小二乘(RLS)参数估计与非线性规划(BFGS)为主体。
The new identification method for nonlinear systems is presented, which combinesrecursive least-square (RLS) parameter estimation with nonlinear programming (BFGS).
给出基于最小一乘准则的非线性回归模型的参数估计算法。
In this paper, a parameters evaluation algorithm based on the least absolute criteria for non linear regress is developed.
利用正交多项式序列的正交性及微分算子矩阵,论述了时变非线性分布参数系统参数估计的正交多项式法。
New method of parameter estimation for time varying non linear distributed systems is proposed in term of orthogonality of orthogonal polynomial and differential operation matrix.
但这种方法进行的参数估计不是无偏估计量,因此其非线性拟合精度较低。
The parameter estimation achieved by this method is not unbiased. The precision of curve fitting is low.
应用遗传算法解决非线性最小二乘模型参数估计问题。
Solved the nonlinear Least square problem based on Genetic Algorithms.
仿真和实算结果表明,对于一大类线性和非线性回归模型,该方法给出的回归模型的参数估计效率的估计更接近模型参数估计效率的真值。
Simulation results and real measuring data calculations show that the precision estimation efficiency can be obtained by our method for a large class of linear and nonlinear regression models.
方法:对疟疾发病率曲线进行非线性过程的幂函数拟合,并与用曲线参数估计法的幂函数拟合结果进行对比。
Methods:Power model of non-linear regression was adopted to fit the curve of incidence of malaria, which result is contrast with the same model came from curve estimation method.
用一般矩方法进行混合高斯随机敬的参数估计需要计算多个非线性方程,改进后的矩方法把非线性方程化成了线性方程。
It needs more nonlinear equations to use the general moment method for parameter estimation of Gaussian mixtures. The improved moment method changes the nonlinear equations into linear equations.
为了得到状态估计的快速算法,本文把非线性飞行轨迹重构转化为线性、离散、时变状态和参数估计问题。
The reconstruction of flight path is formulated as a discrete, linear, time-variant state reconstruction problem which can be solved by Kalman filtering techniques.
为了使作物生长模型中的参数最优化,提出了一种改进型非线性最小二乘法在作物生长模型中隐含参数估计的应用技术,针对多目标项的情况提出了权矩阵的自动计算方法。
In order to optimize the parameters in a crop growth simulation model, a new method based on nonlinear least squares method was developed for estimation of hidden parameters of crop growth.
为了使作物生长模型中的参数最优化,提出了一种改进型非线性最小二乘法在作物生长模型中隐含参数估计的应用技术,针对多目标项的情况提出了权矩阵的自动计算方法。
In order to optimize the parameters in a crop growth simulation model, a new method based on nonlinear least squares method was developed for estimation of hidden parameters of crop growth.
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