TA误差分段拟合算法的分段点选取方法

Segmented Point Selection Method of TA Error Subsection Fitting Algorithm

介绍三次样条插值和指数函数分段拟合算法,针对算法中存在分段点选择的不同直接影响TA传变误差计算精度的问题,提出利用斜率系数法实现三次样条插值和指数函数拟合时分段点选择的方法,通过实例验证,说明该方法可提高算法的拟合精度,更加准确的描述线性区和饱和区伏安特性。

This paper introduces the subsection fitting algorithm of three spline interpolation and exponential function.Aiming at the difference of the segmentation selection in the algorithm directly affecting the calculation accuracy of TA transmission error,this proposes the slope coefficient method to realize the segmented point selection of three spline interpolation and exponential function algorithm,After improves the fitting accuracy and more accurately describe the linear and saturation regions of I-V character through.