least squares fitting

最小二乘拟合:最小二乘拟合是一种数学优化建模方法
常用释义
最小二乘拟合:最小二乘拟合是一种数学优化建模方法,通过最小化误差的平方和来寻找数据的最佳函数匹配。

例句

1·This paper presents a method to check gun fire data using limited points and an principle of least squares fitting.

介绍了一种利用有限弹迹点检查射击诸元的方法,介绍了最小二乘法拟合曲线的原理。

2·The algorithms can be classified into two categories: a closed form solution and an iterative least squares fitting.

目前算法可以分成两类:即闭形解和最小二乘迭代拟合。

3·Parameter estimation in dynamical systems, example : least squares fitting of rate constants from batch reactor data, parametric sensitivity analysis.

动态系统之参数估算,范例:利用批式反应器数据做速率常数之最小平方配适,参数灵敏度分析。

4·Use Chaos and fractal analysis routines, LCMV optimization design array signal processing, Multivariate least squares fitting method of nonlinear equations.

使用混沌与分形分析的例程,LCMV优化设计阵列处理信号,利用最小二乘法进行拟合多元非线性方程。

5·Solar cell both exponent mathematical model can be obtained exactly using a few measurement data by the least squares fitting method that parameter can be separated.

用参数可分离非线性最小二乘拟合方法,根据少量测量数据较准确地求得了太阳电池双指数数学模型。

6·The principle of the digital image correlation method was described, and the relation between the crack tip displacement and the stress intensity factor was deduced using least squares fitting.

介绍数字图像相关方法的基本原理,建立数字图像相关方法中位移场与裂纹尖端应力强度因子之间的关系。

7·The results show that increasing the number of least squares fitting terms and reasonable selection of digital image correlation subset size improve the accuracy of calculated stress intensity factor.

结果表明,增加最小二乘拟合项次和合理选择数字图像相关计算子区域和步长大小可以提高应力强度因子计算精度。

8·The autopilot gains are scheduled as functions of the dynamic pressure and the roll rate, the model is selected for each gain by a least squares curve fitting.

自动驾驶仪的增益设计成滚动速率和动压的函数,用最小二乘法曲线拟合,为每个增益选择数学模型。

9·The paper adopts the method of multinomial least squares as fitting to make the fitting function be simple and the amount of compensation interval be least, reduces the calculation cost.

同时,拟合方法采用目前非常成熟的多项式最小二乘拟合。从而不仅能控制拟合函数的复杂性,而且使分段拟合的补偿区间数量达到最少,极大地降低了计算成本。

10·The application of curve fitting based on least-squares methods in XQY1-1 air pressure transmitter is introduced.

文中介绍了基于最小二乘曲线拟合技术在XQY1 - 1型气压传感器中的应用。