least square fitting method

基本解释

Objective To investigate the possibility of application of selective least square fitting method to evaluate the respiratory effort of sedative patients mechanically ventilated.
目的探讨应用选择性最小平方拟合法无创性评估机械通气病人镇静时呼吸努力程度的可能性。
The error sources and their influences to the measurement results are also discussed. It has been shown, that the satisfied results can be achieved by using least square fitting method.
计算结果表明，用分段多项式最小二乘法拟合计算M F D，可以取得满意的计算精度。
The least square fitting method is simple and prone to program without derivative, integration and iterative, furthermore it can work out the coordinate of center of the best fitting reference circle.
最小二乘法的计算方法简单，不涉及求导、积分、迭代，适合编写计算程序，且可直接得到最接近参考圆的圆心位置坐标。