Firstly, the error of fit must be defined for nonlinear least-square fitting of generalized geometry model. Then the nonlinear optimization algorithm can be used to obtain the optimum solution.
对于一般几何模型的非线性最小均方误差拟合，首先必须定义拟合误差，然后采用非线性最优化方法求解最小误差意义下的最优解。
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。
Lastly least square method is used to fit for the straight line. The improved method can extract so much information as possible from original images.
改进后的方法能尽可能多地从图像中提取直线信息，既可以较准确地提取直线的端点信息，又能得到直线的准确表示。
The total income of national economy and the amount of population are predicted with second-degree moving model and with the principle of least mean square fit error determining designated value n.
利用二次移动平均模型，引入均方拟合误差最小的原理确定出时段数n，对国民经济总收入、人口数量等项目进行了预测。
The application of the least square polynomial fit method in the wavelength calibration of the Optical multichannel analyzer with a CCD detector is investigated.
研究了最小二乘拟合方法在CCD型光学多通道分析仪波长标定中的应用。
The mathematical model built by the data fit method based spline least square has not only higher precision of model and fit coherence, but low degree of model, more smooth also.
基于样条最小二乘数据拟合方法建立的数学模型不仅可以提高模型精度和拟合程度，而且模型阶数较低，光滑性好。
The experiment data collected by system is be disposed by Least square method that the contours fit, which adjust the non-linearity of experiment data.
对系统采集的实验数据用曲线拟合的最小二乘法进行处理，完成实验数据的非线性矫正。
A new approach to fit line is proposed. In this method, Hough transform and least square have been combined to process experiment data and the contour of binary images.
将霍夫变换与最小二乘法相结合，研究对实验数据和图像处理中的二值边缘图进行直线拟合的方法。
The linear least square method should be selected to fit engineering data to a straight line.
在工程数据线性拟合时，宜选用线性最小二乘法。
This article introduces least square method of unanimous approximation and smooth tolerance of segmented circular arc fit for planar range of Points.
本文用最小二乘法一致逼近及容差平滑分段圆弧拟合平面点列。
Based on the result of the road area detection, the road edge detection algorithm USES the least square method to fit the road edge.
基于道路区域检测结果，道路边线检测算法采用多项式模型，利用最小二乘法对道路边线进行拟合。
The measurement accuracy of the system is further improved through the calibration of sensors and least square fit of the calibration dat...
通过对各个传感器标定，并采用最小二乘法线性拟合标定数据，进一步提高系统的测量精度。
At the same time we curve fit the bulk modulus B of these binary alloys using the results and least square mothod.
依据这种电子结构计算了晶格常数、结合能、势能曲线、体弹性模量和线热膨胀系数随温度的变化，理论值与实验值均符合较好。
Thirdly, the least-square method based on relative error is proposed and used to fit the calibration curve of the ultrasonic sensors.
第三，提出了“基于相对误差的最小二乘法”，并将其应用超声波传感器标定的数据拟合。
The uncertainty of evaluation results of delay between channels of linear measurement system by using the least mean square four-parameter sine-wave curve-fit method is described.
介绍了用正弦波拟合法评价测量系统通道间延迟时间差不确定度的分析和评定过程。
CONCLUSION the theoretical values obtained by non-linear least square model fit program is near to the test values. The theoretical equations can describe accurately the release kinetics of pellets.
结论采用非线性最小二乘法拟合释药动力学方程得到的理论值更接近真实值，说明由非线性最小二乘法模型嵌合通用程序得到的动力学方程能准确表征微丸的释药动力学。
CONCLUSION the theoretical values obtained by non-linear least square model fit program is near to the test values. The theoretical equations can describe accurately the release kinetics of pellets.
结论采用非线性最小二乘法拟合释药动力学方程得到的理论值更接近真实值，说明由非线性最小二乘法模型嵌合通用程序得到的动力学方程能准确表征微丸的释药动力学。
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