In this paper, a kind of iterative weighted residual method is suggested. It is shown theoretically that the method of the least square for linear problems is convergent.
本文提出一种分步迭代的加权残值方法,并从理论上证明了分步迭代的最小二乘法用于求解线性问题时的收敛性。
Least square method of polynomial or the method based on the given function are used to fit pump characteristic curve in pump selection or operation.
在水泵的选型或运行中,通常采用多项式的最小二乘法或根据假设的函数关系来拟合水泵性能曲线。
The superiority of the classical least square method is lost due to the morbid of designed matrix in large-type linear regression analysis.
在大型线性回归分析中,由于设计矩阵的病态使得经典的最小二乘法失去了优良性。
System parameters were identified by adapting recursion least square method, and the forgetting factor was introduced to improve the model tracing ability of TCS.
利用递推最小二乘法进行了系统系数辨识,并引入遗忘因子以提高TCS的模型跟踪性能。
The parameters of the kinetic equation were estimated by the linear least square method.
动力学方程中的参数用线性最小二乘法估计。
The step response method of the outlet superheat of evaporator is measured by conducting experiments, and dynamic model of EEV is established by LSE (least square estimation).
通过阶跃响应实验法,利用最小二乘法建立燃气机热泵蒸发器—电子膨胀阀系统的过热度响应动态模型。
The dual-frequency carrier phase observation equation is built and ionosphere-free predigested, the estimate formula of zenith wet delay is deduced with least square method.
建立了双频载波相位观测模型,并将其进行无电离层延迟化简,用最小二乘原理推导了天顶湿延迟的估值公式。
The parameters of error model were identified by the least square method.
采用最小二乘辨识方法,得到感应同步器测角误差模型的系数。
The cutter curve is fitted with the least square method and corrected to assure the corrected generation surface is identical with that of original fitted curve.
用最小二乘法求出了刀具拟合直线,并对拟合直线进行了修正,保证了修正后的创成表面与原拟合直线创成表面相吻合。
After expounding the modeling method of multiple linear regression based on least square algorithm, the thermal distortion model is modelled.
在介绍了基于最小二乘法的多元线性回归建模方法后,建模了机床的热变形实时预测模型。
By means of the damp least square method and singular value decomposition method, the misalignment of optical system could be calculated.
采用阻尼最小二乘法与奇异值分解的方法来求解失调量。
The least square method about velocity is used usually to solve the essential factors of target motion in submarine operation.
用速度平差法求解目标运动要素是潜艇作战中常用的目标运动要素求解方法。
Computing straightness error on the basis of least square method by way of smallest field method is new method in exploring the minimum condition.
用最小区域法求直线度误差,是在最小二乘法的基础上探讨的一种符合最小条件的新方法。
On the basis of short straight-line fitting, this dissertation USES the least-square method of curve matching to discern circle and straight line.
通过对离散点进行短线段拟合的基础上,再利用曲线拟合的最小二乘法对圆和直线进行二次拟合。
The Application of least square method in chemistry data treatment is analysed through two examples.
通过实例分析了最小二乘法原理在化学数据处理中的应用。
Objective to investigate the possibility of application of selective least square fitting method to evaluate the respiratory effort of sedative patients mechanically ventilated.
目的探讨应用选择性最小平方拟合法无创性评估机械通气病人镇静时呼吸努力程度的可能性。
The least square method is applied to study the deformation tendency and calculate the mean annual rate of deformation.
用最小二乘法拟合了库区地壳形变多年的变化趋势,计算了多年平均形变速率。
A series of theoretical tests say that this new method is applicable to the least square deconvolution of mixed-phase unknown pulse.
文中给出的一系列理论试算结果表明,该方法适用于混合相位未知脉冲的最小平方反褶积。
The error compensation of test data is achieved with the least square method.
最后基于最小二乘法原理实现了测试数据的误差补偿。
Based on the basic principle and modeling method of partial least-square regression (PLSR), establishing the mathematical model for parameter prediction of the steam turbine units.
根据偏最小二乘回归的基本原理和建模的基本思路,建立数学模型并将其应用于电厂机组的参数预测中。
It adopts the total least square method (TLS) to identify the complete coefficient set of the loudspeaker in time domain, thus measures low frequency characteristic of loudspeaker.
采用全面最小二乘法识别扬声器系统的时域函数的全套系数,从而测出扬声器系统的低频特性参数。
The least square method of computer adaptation is applied to complete the function of computer self-learning of membership function in fuzzy diagnosis system.
文中采用计算机自适应的最小二乘优化方法实现模糊诊断系统隶属度函数的机器自学习功能。
When apply this method to some examples, more satisfactory results can be obtained in comparison with that of the method of least square.
通过一些具体实例,将这种方法与最小二乘法作对比,发现它有较好的预报效果。
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。
In this paper, the method of weighted least square estimate is proposed to construct ARMA model, which can be applied in power system load forecasting.
采用加权最小二乘法参数估计方法,得到应用于电力系统日负荷预测和月负荷预测的ARMA模型。
It used the moving least square approximation as a trial function, and used the weighted function of the moving least square approximation as a test function of the weighted residual method.
这种方法采用移动最小二乘函数来近似解变量,并且采用移动最小二乘近似函数的权函数作为加权残值法的权函数。
According to input and output characteristics of the system or link, internal parameters of the system or link are obtained with least square method.
依据系统或环节的输入输出特性,应用最小二乘法,即可获得系统或环节的内部参数。
The regression method of rheology parameter for non-Newtonian fluid is obtained by the least square method.
同时根据最小二乘法原理得出确定非牛顿流体流变参数的回归分析方法。
For static load modeling the identification result of EP method is better than that of the least square method.
在动态负荷建模上算法不仅给出了更优秀的结果,而且表现出很好的稳健性。
In addition, this paper studies RBF network, realizes the method of orthodoxy least square, gets rapid speed than BP network by 20, and the quality of speech has a little improvement than BP.
另外又研究了RBF网络,实现一种叫“正交最小二乘法”的网络训练方法,获得较BP网络快20倍的训练速度,同时语音质量略有提高。
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