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。
It can improve the real-time of APF effectively by using backward interpolation to predict harmonic. The simulation results show the effectiveness of this algorithm.
提出用改进后的二次插值的外插值法对谐波进行预测，可以有效地提高APF的实时性，仿真结果表明了这种算法的有效性。
Based on analyzing the NURBS curve interpolation Algorithm, this paper emphasizes on the three NURBS curve real-time interpolation technology.
在分析NURBS曲线现有插补算法的基础上，着重研究了三次NURBS曲线实时插补技术。
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