The fine structure parameters were calculated using a least-squares fitting procedure.
用最小二乘法拟合技术严格地计算了精细结构参数。
In the program, three kinds of nonlinear least-squares fitting methods were supplied for processing the complex positron lifetime spectrum.
为处理复杂的正电子寿命谱，本程序可提供三种非线性最小二乘拟合方法。
The comparison among various methods of parameter estimation shows that the least-squares fitting method in the time domain is more accurate one.
各种参数估值方法的比较表明，时间域最小二乘拟合法较为精确。
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。
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。
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。
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。
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。
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。
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。
A compound digital filtering method and a line fitting method based on the least squares are presented, which are used in the measurement system of interface parameters of artillery.
本文提出了一种复合数字滤波方法及基于最小二乘原理的直线拟合方法，用于实现火炮接口参数检测系统的滤波和线性度拟合。
And use the least squares technique to paraboloid fitting the finite element node on the distorted antenna.
采用最小二乘法来对变形后的天线有限元节点进行抛物面拟合。
The factors of MOS transistor in the saturation region are analyzed, the mismatch models are optimized, and the model parameter extraction is done by least squares curve fitting method.
通过分析MOS管在饱和区失配因素，优化MOS管失配模型，提出用最小二乘曲线拟合法进行相关模型参数提取。
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。
In this paper, the regression model of the polymer film-thickness spin-coating is established by using the least squares and the experimental data fitting with central composite design.
应用最小二乘法，通过对中心复合设计实验数据的拟合，建立了旋涂法制备聚合物薄膜的膜厚回归模型。
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。
The least-squares curve fitting methods based on power functions and orthogonal functions are analyzed and compared.
对以幂函数族和以正交函数族为基底的最小二乘曲线拟合法作了对比分析。
The mathematic model was adopted for nonlinear least-squares data fitting to process experimental data, and a high correlation coefficient excelling 0.99 was obtained.
利用这个数学模型对实验数据进行非线性拟合，拟合的相关系数高于0.99。
The results indicate that the fitting based on the least squares method is feasible and valid.
结果表明，用最小二乘法进行拟合是可行、有效的。
The least-squares ellipse fitting method is used to the sub-pixel image edges to get more accurate sub-pixel ellipse center coordinates, and further improve the precision of camera calibration.
对亚像素边缘进行最小二乘椭圆拟合，得到更精确的亚像素椭圆中心坐标，从而可以进一步提高相机标定的精度。
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。
A new method tuning the PID parameters is presented by the normalized dead time of process. The tuning formulae are obtained from the curve fitting in the least-squares sense.
提出了一种利用标准化死区时间整定PID参数的新方法，并利用曲线拟合最小二乘法求得控制器的整定公式。
Based on the idea of curve fitting, the nonlinear least squares method (Gauss-Newton method) has been applied to estimate the complex parameters.
文中对用高斯·牛顿法拟合三参数和四参数极化曲线方程序求取电化学动力学参数提出了两种改进方法。
Based on the traditional DBS (Doppler Beam Sharpening) method and the least squares linear fitting algorithm, a new high resolution DBS imaging algorithm is delivered in this paper.
该文分析了应用于扫描模式下的传统多普勒波束锐化成像算法(DBS)及其改进算法的特点和不足，提出一种新的高分辨率多普勒锐化算法。
Based on the traditional DBS (Doppler Beam Sharpening) method and the least squares linear fitting algorithm, a new high resolution DBS imaging algorithm is delivered in this paper.
该文分析了应用于扫描模式下的传统多普勒波束锐化成像算法(DBS)及其改进算法的特点和不足，提出一种新的高分辨率多普勒锐化算法。
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