面形检测采用边缘定位的方法，并且结合了曲线拟合的方法求解一维位移场来计算误差。
It USES edge localization and curve fitting to solve one dimension displacement field and calculate the error.
结论L MS法简单易实现，拟合的百分位数曲线光滑，拟合误差小。
CONCLUSION LMS is a simple method. Curves fitted by it are much smoother and the fitting errors are much fewer.
采用多项式拟合曲线，可以发挥其便于计算和分析的优点，能够更好地反映电流互感器10%误差特性，使用方便。
The interpolation polynomial is applied in curve fitting for easy calculation and analysis and better representation of CT10%error curve.
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