1) least-square line regression
最小二乘直线拟合
2) direct least-squares fitting
直接最小二乘拟合
3) 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。
5) nonlinear least square fit
非线性最小二乘拟合
6) curve fitting in the least-squares sense
曲线拟合最小二乘法
1.
Furthermore, the revised formula of the integral action time is obtained from the curve fitting in the least-squares sense.
利用过程的标准化死区时间修正基于给定增益裕度和相位裕度整定的PID(比例积分微分控制器)的积分时间常数,并通过曲线拟合最小二乘法求得积分时间常数的修正公式。
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