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本文根据时间分割法的基本思想，推导出了插补抛物线的数学模型，提出了新的算法，并编制出相应的轨迹插补程序，分析了理论插补精度。这种插补方法可获得较高的插补速度和插补精度，适用于不带数学协处理器的数控系统。
Based on the basic idea of time division method, this paper deduces the mathematical model of the interpolation parabola, puts forward a new algorithm and compiles the corresponding trajectory interpolation program, and analyzes the theoretical interpolation accuracy. This interpolation method can obtain higher interpolation speed and interpolation accuracy, suitable for numerical control system without math coprocessor.