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- The approximated solution isobtained by Moving Least Square Method (MLS).EFM requires only the definition of aset of nodes distributed over the entire analysis region without element. 其基本思想是将计算场域离散成若干个点,由滑动最小二乘法来拟合场函数,只需节点信息,从而摆脱了单元的限制。
- moving least squares method(MLSM) 滑动最小二乘法
- moving least square method 移动最小二乘法
- C1 is obtained using the least square method. C1 被获得使用最没有正直的方法。
- Element-free Galerkin method is a new numerical method developed recently.But the approximate form of field variations was expressed by moving least square theory, which are not interpolate. 摘要无网格伽辽金法中形函数一般不具有插值函数的特征,本质边界条件需特殊处理。
- Then inversion of the advanced detection is caried out by least square method. 然后采用最小二乘法对超前探测视电阻率曲线进行快速反演。
- Based on a new definition of discrete norm, the approximate form of field variations was expressed by moving least square theory. 摘要基于新的离散模定义,采用移动最小二乘近似方法,给出了场变量的近似表达形式;
- moving least squares method 滑动最小二乘法
- The model parameters are estimated using a recursive extended least square method. 用递归扩展最小二乘法估算了模型参数。
- It is difficult to simulate a velocity profile with the traditional least square method. 摘要传统的最小二乘法拟合流速剖面存在一定的困难。
- Genetic algorithm and partial least square method were used to determine the voidage measurement model. 遗传算法和偏最小二乘方法用来确定空隙率测量模型。
- Keywords low permeability;start-up pressure gradients;meshless methods;moving least squares methods; 低渗透;启动压力梯度;无网格方法;移动最小二乘法;
- The formula for estimation the oversaturation is established by using the least square method. 并用最小二乘法得到了过饱和度的估算公式,从而为今后过饱和度在线软测量提供理论依据。
- In addition,based on the theory of manifold cover and moving least squares (MLS),an improved formulation of the element-free method(IEFM) is introduced. 随后本文结合流形方法的覆盖理论和滑动最小二乘法,尝试提出了一种改进的无单元方法。
- Multivariable equation set fitting method is derived on the basis of least square method principle. 根据最小二乘法的求解原理,建立了一种适用于多变量方程组系数参数的拟合算法。
- Based on the moving least squares(MLS) fitting,this method can automatically adjust the size of radius for MLS according to the consistency of the sampled data points. 在传统移动最小二乘法(MLS)的基础上,根据拟合子区域采样点数据稀疏情况,该方法可自动调整MLS的半径区域大小。
- Experimental results calculated by the Least Square Method hasbeen performed with laser airborne particle counter. 文中给出了用最小二乘法对国产激光尘埃粒子计数器进行标定的实验结果。
- Least square method is adopted in regression analysis, AR(n) model in time series analysis and GM(1,1) model in grey system prediction. 时间序列分析主要采用了自回归模型AR(n):在灰色预测分析中采用了工程中最常用的GM(1,1)模型。
- The model structure is determined by AIC and step?by?step regression arithmetic, parameters of the model are estimated by the least square method. 模型结构采用AIC准则法和逐步回归筛选法综合确定,模型参数采用最小二乘法估计。
- A sequent least square method with distance constraint is used to compute the line parameters from the image to reduce the influence of the noise. 为减小噪声点影响,给出一种距离约束准则下的序贯最小二乘直线拟合方法。