The BP neural network is used to fit data, through which quantitative analysis of defect signal can be obtained.
采用了BP神经网络对数据进行拟合，能够实现对裂纹信号的定量识别。
In this paper a method is proposed to fit data point with implicit polynomial 2D curves, to make the distance from the data points to the curve within the relatively smaller range.
本文提出了一种方法，用隐式多项式曲线拟合数据点，使数据点到多项式曲线的距离控制在相对较小的范围内。
In this paper a method is proposed to fit data point with implicit polynomial 2D curves, to make the distance from the data points to the curve within the relatively smaller range.
本文提出了一种方法，用隐式多项式曲线拟合数据点，使数据点到多项式曲线的距离控制在相对较小的范围内。
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