• The comparison among various methods of parameter estimation shows that the least-squares fitting method in the time domain is more accurate one.

    各种参数估值方法比较表明时间最小二乘合法较为精确。

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  • 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基于最小原理直线合方法,用于实现火炮接口参数检测系统滤波和线性度拟合。

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  • 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饱和因素优化MOS管失配模型,提出最小二乘曲线合法进行相关模型参数提取

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  • 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,方法采用目前非常成熟多项式最小二乘拟合。从而不仅能控制拟合函数复杂性,而且使分段拟合补偿区间数量达到最少,极大地降低计算成本

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  • 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.

    参数分离非线性最小二乘拟合方法根据少量测量数据准确地求得太阳电池指数数学模型

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  • 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基本原理,建立数字图像相关方法中位移场裂纹尖端应力强度因子之间关系。

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  • 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.

    像素边缘进行最小二乘椭圆合,得到精确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

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  • 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.

    提出利用标准化死区时间PID参数方法利用曲线合最小二乘法求得控制器的整定公式

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  • Based on the idea of curve fitting, the nonlinear least squares method (Gauss-Newton method) has been applied to estimate the complex parameters.

    文中用高斯·牛顿合三参数和四参数极化曲线程序求取电化学动力学参数提出两种改进方法

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  • The results indicate that the fitting based on the least squares method is feasible and valid.

    结果表明,用最小乘法进行可行有效的。

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  • 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波束化成算法(DBS)及其改进算法的特点不足,提出一种新的分辨率多普勒锐化算法。

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  • 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波束化成算法(DBS)及其改进算法的特点不足,提出一种新的分辨率多普勒锐化算法。

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