Order components were extracted in time domain by constructing weighting least square adaptive filter. 通过构造加权最小二乘自适应滤波器,实现了各阶比成分在时域中提取。
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。
At last, the coefficients of phase-height mapping equation are obtained with least square method. 利用最小二乘法求解相位&高度映射方程系数。
The least Square estimates are not reliable when there exists multicollinearity in adjustment model. 当平差模型中存在复共线关系时,未知参数的最小二乘估计很不可靠。
Importing the least square thought, an optimization model was constructed correspondingly and solved by SUMT method. 利用最小二乘法的思想,将原问题转化为相应的数学优化模型,采用惩罚函数法对其求解。
The model parameters are estimated using a recursive extended least square method. 用递归扩搌最小二乘法估算了嫫型参数。
In this paper a least square circle method is presented for calculating the dot center place, and an example is given. 提出了最小二乘圆法求取激光斑点中心位置的方法,并给出了算法实例。
The system can figure out coordinates of cross image center by SUSAN arithmetic and least square method. 系统用SUSAN[1]算法和最小二乘法确定图像十字中心点的坐标。
This paper introduces and analyzes the application of the least square method and Kalman filter in time prediction. 介绍和分析了最小二乘和卡尔曼滤波方法在时间预报中的应用。
The system structure and the mathematic model of least square method to evaluate the straightness errors are introduced. 介绍了系统结构原理以及空间直线度误差的最小二乘评定法数学模型。
The least square estimate of covariance matrices in the growth curve model with random effects; 该文研究了非线性随机效应模型,为非线性张度大的模型提供了理论和方法。
Introduce a format of the statistical curve fitted by multi-dimensions least square. 给出了多维最小二乘法拟合经验曲线的格式。
Three-dimensional paraxial approximate equation with optimized coefficientscan be obtained by using conjugate gradient method under least square premise. 本文在最小二乘意义下用共轭梯度方法导出优化系数的三维傍轴近似方程。
In this paper the least square collocation method of computing the flow in non-circular ducts is presented. 本文采用最小二乘配置法求解异型管流问题。
To improve the ranging accuracy, a mathematic model based on the least square principle is constructed. 为提高测量精度,建立了基于最小二乘原理的距离修正数学模型。
The linear least square method should be selected to fit engineering data to a straight line. 在工程数据线性拟合时,宜选用线性最小二乘法。
The two methods of model simplification are presented for large scale systems, they are the least square approximation and the rational fraction approximation. 本文针对大系统的频域模型简化提出了两种方法:最小二乘近似法和有理分式近似法。
In this paper, Two Different Concepts for the Recursion of Least Square Estimation is Introduced. 本文阐述了两类不同概念的递推最小二乘估计。
A Method to Measure Inter-Harmonics in Power System Based on Least Square Method and Complex Continuous Wavelet Transform 基于最小二乘法和复连续小波变换的电力系统间谐波测量方法
The influence factors on precision of chart datum values from the least square fitting model were discussed. 基于最小二乘潮位拟合传递法的数学模型,对短期验潮站海图深度基准面确定方法进行了研究。
Based on the least square estimation model, an improved method of weighted phase difference algorithm is put forward. 从最小二乘估计模型入手,提出了加权相位差分法。
An equal-phase interval multi-step phase-shifting algorithm-undetermined weight weighted least square algorithm-are introduced. 本文引入一种等间隔多步移相算法设计方法&权重待定的加权最小二乘算法。
Accident reconstruction; Least square method; 事故再现;最小二乘法;
A new method of least square is raised in curve fitting of flood frequency calculating and its specific properties are analysed. 提出了在洪水频率计算时适线法中最小二乘方的一种新的求解方法,并对其特性进行分析。
For a metal rubber damper, the nonlinear mathematical model was built and identified with the least square method. 针对某型号金属橡胶减振器建立了非线性数学模型,并利用最小二乘法对模型进行了参数识别。
Partial least square regression; 偏最小二乘回归;
A new method about the discriminant classify problem which containing qualitative variables is established by least square method in this paper. 利用最小二乘原理,对含有定性变量的样品的判别分类问题给出了一种简单易行的新方法,并证明了这种方法是可行的。
The data for the measurement can use direct least square fitting to solve the curvature of the workpiece. 对于测量的数据采用直接最小二乘拟合,从而可以解算出工件的曲率。
The methods of parameters identification are analyzed and low-order equivalent system is identified by frequency domain maximum likelihood method and least square method. 分析了等效系统参数辨识方法,采用最小二乘法与频域极大似然法求解先进飞机的低阶等效系统。
The recursive algorithm of least square estimation in multiple linear regressions; 利用最小二乘估计对甲板的变形进行了分析。