曲线拟合

Its nicety and utility is validated through analysis. It can be applied to fit other kinds of characteristic curves.

通过分析说明了此方法的精确性和实用性，并且可以用于拟合其它类型的性能曲线。

Compared with the normal coordinates calculation way, our method was easy and fast.(6) According to the above methods, programs were carried out to simulate.

用圆弧和直线拟合织物的二维悬垂曲线，使弧长等分的座标算法相对于一般的弧长等分的座标算法极大地降低了计算的复杂性，从而极大地提高了计算速度。

OBJECTIVE: Study the fitting about S model dose-effect curve with the accumulation normal distribution function.

目的：研究S型剂量效应曲线的累积正态分布函数拟合。

This paper studies on the ground settlement due to the deformation of the supporting structure. The normal distribution and parabola function are used to fit the curve of ground settlement and the estimating formula is deduced gradually.

本文主要对由于支护结构变位而引起的地表沉降进行了相关研究，利用正态分布及抛物线函数拟合了地表沉降曲线，并推导出沉降的估算公式。

The rise stress-strain curves of recycled aggregate concrete are similar to those of the normal concrete, cubic polynomial are proposed for the rise stress-strain curve of concrete, and the peak strain are higher than normal concrete.

应力应变曲线的上升段与普通混凝土相似，都是用3次多项式拟合，其峰值应变比普通混凝土高。

A non-linear least squares method was adopted to fit the phenomenological parameters of sedimentation curves, and the experimental results were compared with the Oka' s theory.

采用非线性最小二乘法拟合了沉降曲线的现象学参数，并将实验结果同Oka理论进行了比较。

Secondly, a method based on SCADA to revise the parameter of transformers is proposed, in which the data is obtained from the substation SCADA system and is processed by least orthogonal square method, then the fitting calculation of the curve is performed, finally the actual parameters of the transformer can be derived and it can be used as the basic data for the economic operation of the transformer.

通过变电站监控系统得到SCADA实时数据，采用最小正交二乘法，对变压器损耗曲线进行拟合计算，得到变压器实际参数和功率损耗特性，并以此作为变压器经济运行的基础数据。

Finally, according to the characters that the inner and outer edge of double-layer eyelid are approximate parallel and the gray distribution changes sharply on the edge of inner eyelid, take the fitting curve acquired in first eyelid location as a template, and shift it down parallel to detect the position where gray value changes abruptly.

最后，根据双层眼睑的内外层边缘近似平行、而且在内层眼睑边缘处出现灰度跳变这一特点，以第一次定位所得拟合曲线为模版，平行下移搜索灰度跳变位置，完成对双层眼睑的二次定位。

It is difficult to get partial derivative in least square fitting method,and the problem was avoided by usi...

利用遗传算法实现了产出曲线的自动拟合，避免了最小二乘法中求偏导数困难的问题，提高了求解的速度和精度。

The results showed that Pearson type III distribution could suit the evaluation of proportion for the area well.

结果表明这种分布曲线与观测值能很好的拟合。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！