Based on the vector equation, a real time interpolation algorithm for the cubic parametric spline curve in CNC systems is proposed.

根据三次参数样条曲线的矢量表示方法，导出了一种CNC系统中样条曲线的实时插补算法。

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Cavitation curve drawing method of the traditional hand-drawn method, polynomial fitting, non-linear fitting, cubic spline interpolation method.

汽蚀曲线绘制方法有传统的有手工绘法、多项式拟合法、非线性拟合法、三次样条插值法等。

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