1) curve-fiting in case of non-LS
非最小二乘拟合
2) nonlinear least-squares regression
非线性最小二乘拟合
1.
The blending coefficients of tobacco flavors were calculated by nonlinear least-squares regression based on the datum of area of chromatography peaks which were determinated by high performance liquid-chromatography(HPLC) bound with wavelength switching.
运用高效液相色谱切换波长技术获取组分色谱峰数据,依此数据采用非线性最小二乘拟合计算烟用香精的勾兑系数,不同批的烟用香精经勾兑后与参照样品的差异减小,各成分含量稳定。
3) nonlinear least square fit
非线性最小二乘拟合
4) nonlinear least squear algorithm
非线性最小二乘法拟合
1.
A numerical method based on the techniques of inverse Fourier convolution and nonlinear least squear algorithm, etc.
给出一种高分辨光谱数据处理的普适方法，它利用博里叶反卷积、滤波等技术对谱仪记录的光谱进行还原，去除实验安排中的源加宽等因素对谱分辨率的影响；然后再进行非线性最小二乘法拟合，突破谱仪的光谱分辨率极限，求得光谱的精细结构。
5) 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。
6) 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：最小二乘拟合
分子式：
CAS号：
性质：基于使偏差平方和达到极小的原理对曲线和方程进行拟合。
CAS号：
性质：基于使偏差平方和达到极小的原理对曲线和方程进行拟合。
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