1) direct least-squares fitting
直接最小二乘拟合
2) least-square line regression
最小二乘直线拟合
3) direct least square
直接最小二乘
1.
The algorithm for direct least square ellipse fitting based on robust estimation is introduced, which integrates the gross error detecting by robust estimation and conic parameter constraint of ellipse.
将稳健估计剔出粗差与椭圆的二次曲线参数限制条件相结合,给出了基于稳健估计的直接最小二乘椭圆拟合算法,以Matlab语言实现上述算法,并采用上海长兴岛至浦东越江隧道工程实测数据进行验证。
4) least square fitting
最小二乘拟合
1.
Comparison of linewidth measurement using different probe based on the least square fitting model;
基于最小二乘拟合的不同探针测量线宽的比较
2.
Study on the least square fitting of coordinate parameter model;
坐标参数模型的最小二乘拟合研究
3.
Through acquiring the DR(digital radiography) images of the double-circled object at two imaging positions,the image and graphics processing methods and the least square fitting method are used so as to get the coordinates of the .
利用双圆目标体二次成像获得的DR(Digital Radiography)图像,配合图像、图形处理方法和最小二乘拟合技术求取不同成像位置下的目标体圆心投影坐标,然后求解方程组得到投影坐标系的原点坐标。
5) least-square fitting
最小二乘拟合
1.
The surface error was obtained by subtracting the theory wavefront error from the phase datum and eliminating the translation error through least-square fitting.
对非球面度较小的非球面,直接利用标准球面镜作为参考表面,通过数字干涉仪可以测得全孔径位相分布,将所得的数据剔除参考球面波相对理论非球面的偏差,并运用最小二乘拟合求得机构定位误差,消去此误差,即可获得真实的面形信息。
2.
In order to obtain reliable strain field,full-field strain measurement based on least-square fitting of local displacement for digital image correlation method is proposed.
为了从含噪声的位移场中计算得到可靠的应变场,提出一种基于位移场局部最小二乘拟合的全场应变求解方法。
3.
In this paper a new algorithm based onFourier modal estimate is proposed to reconstruct the original wavefront by use ofleast-square fitting.
我们提出基于傅里叶模式估计的二维波前重建算法,利用最小二乘拟合原理,可以计算出待测波前的傅里叶变换系数,从而恢复原始波前。
补充资料：直接
不经过中间事物的。与“间接”相对：直接取用｜直接关系。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条