Parameter estimation as minimization – intro to method of least squares, introduction to probability theory, conditional and joint probabilities, statistical independence. 以最小化问题估算参数-最小平方法介绍,机率论介绍,条件机率及联合机率,统计无关。
Discrete type method of least squares subdomain collocation method is used in solving problem by selecting trial functions which satisfy the boundary conditions a priori. 选取满足边界条件的位移试函数,用离散型最小二乘子域配点法求解。
The lines shown in these figures were fitted by the method of least squares. 这些图中的相关线是通过最小二乘法得到的。
And introduce the method of least squares nonlinear regression and subsection function to deal with data. 采用最小二乘法非线性回归与分段函数相结合的曲线模拟方法,进行图形处理。
Now the common algorithm which is used to calculate the parameter of the compensation network is the method of least squares which can calculate the result to make the least square sum of frequency deviation least. 目前国内外计算补偿网络参数的常用算法是最小二乘法,最小二乘法能够求取使得使频率偏差平方和最小的值。
This paper fits performance curve on experimental data of circulating pump for heating by the method of least squares, calculates the coefficient of pump's performance curve regression equation and its working point, and draws the fittest match for pump operation. 用最小二乘法原理对采暖循环水泵的性能实验数据进行了曲线拟合,计算水泵性能回归曲线方程系数及水泵工作点.通过实例分析,得出水泵运行的最佳组合。
Method of least squares and minimum linear variance unbiased estimator are applied to detailed procedures with practical examples; 结合具体事例介绍了利用最小二乘法和最小方差线性不偏估量法进行设备寿命预测的具体步骤;
The method of least squares approximation for non-circular curve is suggested. 提出了一种利用最小二乘圆弧逼近非圆曲线的方法。
Modal parameters and vibration type were obtained by the method of least squares time domain, complex modal analysis and the experimental data. 并利用时域最小二乘法和复模圆法对实验数据进行了三维的模态参数和振型分析。
Preprocessing of data and the method of least squares are used to improve the precision of localization. 介绍了可提高被动定位精度的数据预处理和最小二乘拟合方法。
On the basis of the principle of signal matched-phase, the method of least squares of parameter estimation for sinusoidal signal is presented. 为了提高信号相位匹配原理估计正弦信号参数的精度,提出了一种正弦信号频率、振幅和相位参数的最小二乘估计方法。
The Method of Least Squares Curve Fitting 曲线拟合的最小二乘法
Then, we may calculate actual figures of storage life for the product. This article shows five data analysis methods, which are simple linear regression, exponential regression, weighted exponential regression, polynomial regression ( method of least squares) and grey theory. 本文采用一元线性回归、指数回归、加权指数回归、多项式回归(最小二乘法)和灰色理论等五种分析方法分别对五种试验数据进行了拟合与预测。
Based on phase space reconstruction, the conclusion was got. it can be seen that weighting and fitting method of approximation superior to method of least squares in both theory and practical calculation during calculated method by forecasting the process of Heihe daily river inflow series. 在相空间重构的基础上,通过对黑河河水日径流量具体预测过程采用一阶线性预测法的具体算法中得出近似拟合加权法在理论上和实际计算上优越于最小二乘法的结论。
In this paper, the general method for fitting experiment data reasonably is given by the method of least squares and criterion of accepting or rejecting small error. 根据最小二乘法并结合微小误差取舍准则,给出了合理拟合实验数据的一般方法。
Establishment of parameter in a linearity fitting by method of least squares 最小二乘法线性拟合中参数的确定问题
This paper gives a simple and easy proof of Kalman filtering with the weighted method of least squares, and avoids the complex and long deduction in original proof. 本文用加权最小二乘法给出Kalman滤波公式一个简易的证明,避免了原证明中冗长而复杂的推导。
The LZ algorithm presented in this paper makes possible the solution of the multiple regression analysis problems in management prediction without turning to the commonly used method of least squares. 本文提出的LZ算法,使管理预测中所涉及的多项目回归分析问题,无需采用最小二乘法就能得到解决。
According to the method of least squares, we obtain the optimal calculation formula of straight line. 根据最小二乘法,得到求直线斜率的最优计算公式。
On the basis of signal phase matching principle and the method of least squares of parameter estimation, a method for single-frequency signal detection is presented in this paper. 根据信号相位匹配原理及其信号参数的最小二乘估计方法,提出了一种单频信号检测方法。
Multiple linear regression function in Excel is used by the author to polynomial fitting of centrifugal pump performance curve with method of least squares according to performance curve of centrifugal pump. 根据离心泵的试验数据或性能图上的数据,利用Excel的多元线性回归函数,对离心泵的性能曲线进行多项式最小二乘法拟合。
In order to avoid solving morbid equations, the method of least squares, whose basing function are orthogonal polynomials, is used to fit the hysteresis nonlinearity modeling of the piezoceramic actuator. 在模型的实现过程中,为了避免求解病态方程组,采用基函数为正交多项式的最小二乘法来拟合压电陶瓷执行器的迟滞非线性模型。
This paper fitted the curve about experimental data of performance of heating circulating pump with method of least squares. 本文利用最小二乘法原理对采暖循环水泵的性能实验数据进行了曲线拟合。
In the theoretical calculation, the best approximations algorithm shows its practicability and superiority comparing with the method of least squares. 最佳一致逼近算法和最小二乘法相比,在理论计算上体现了它的有效性和优越性。
In this paper, it quotes those theorems concerned of grey control theory which Mr Deng Julong has founded, according to method of least squares to calculate the parameter of logistic curve, dealt with by grey fitting and compared it with weighted fitting. 本文应用灰色理论中灰导数拓扑空间的定理和非线性灰色建模的方法,直接按最小二乘法求解logistic曲线的参数,对曲线进行灰色法拟合,并与加权拟合法进行了对比。
Again to discuss the basic principles of the method of least squares and Kalman Filter algorithm, and the two methods were compared, come to the conclusion of the Kalman Filter is superior to the method of least squares. 再次,在最小二乘法和卡尔曼滤波算法的基本原理的基础上,对两种方法进行了对比,得出卡尔曼滤波要优于最小二乘法的结论。
During the paper, we use the method of least squares regression and residual alternative to analyze that how the exchange rate movements influence structure of manufacturing industry by the two ways of FDI and international trade. 研究方法是使用最小二乘法和残差替代回归法,从外商直接投资和国际贸易两个渠道实证分析了人民币实际有效汇率变动对制造业结构升级的影响。
This paper fitting a straight line by using Hough transform, and then fitting once more with the method of least squares. 考虑到杂草对于直线拟合所产生的干扰,本文先采用Hough变换进行拟合,再采用最小二乘法进行二次拟合。
For spectral unmixing, the linear spectral mixing model and the solution using the method of least squares under the full constrained conditions are studied. For subpixel mapping, spatial correlation is analyzed. 光谱解混技术方面,主要研究了线性光谱混合模型及其在全约束条件下的最小二乘法解法;亚像元定位技术方面,主要分析了高光谱图像的空间相关性,并利用该性质实现了亚像元定位。
This was in line with the conditions of application of the method of least squares. 所以这就恰好符合应用最小二乘法的条件。