Though time-slicing interpolation used in Open-loop CNC can prompt system performance effectively.

在开环数控系统中采用数据采样法插补，可以有效提高系统性能。

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Thirdly, interpolation equation, polynomial interpolation filter and interpolation control for timing adjustment are studied. The performance of interpolation loop is simulated.

最后针对定时调整算法，研究了插值等式、多项式插值滤波器及插值控制，模拟了插值环路的性能。

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Uniform Pulse Distribution is technical difficulty and key technologies in open-loop CNC which use time-slicing interpolation.

在采用时间分割法插补的开环数控系统中，精插补的脉冲均匀分配是其中一项关键技术，也是技术难点。

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