提出了一种基于最小均方误差准则的圆弧分段曲线拟合方法。
We present a method of circular arc fragmented curve-fitting based on least mean-square error rule in this paper.
目的拟合列车车轮踏面的实恻轮廓曲线,方法采用三阶导数连续的分段曲线拟合法。
Aim To determine the measured profile of a wheel in railway vehicle. Methods So - called piecewise curve-fitting method of the third derivative continuity is employed.
同时,采用滤波算法和分段曲线拟合等方法对电能表测量结果进行了优化处理,提高了测量精度。
In addition, by adopting filtering algorithm and sectional curve fitting, etc., the measuring results of energy meter are optimized to implement highly precise measurement.
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