Point-by-point Comparison interpolation is one method of the contour interpolation algorithms, ever used widely in CNC machine tools, but its being not to realize two-axis limits its application.
逐点比较法是轮廓插补算法之一，曾在数控机床中被广泛采用，但由于它存在不能实现两轴联动的缺点，限制了其应用。
On the basis of linear interpolation with point by point comparison method, a new method for linear interpolation with long axis regulation point by point comparison is put forward.
以逐点比较法直线插补为基础，提出了长轴调速逐点比较法直线插补的新方法。
Using this algorithm in the location problem of leak point shows that this method can find the leak point and the location precision can be increased by 0.96% in comparison with normal methods.
利用该算法对泄漏点定位，结果表明，该方法能够找到泄漏点，而且与常规方法相比精度提高0.96%。
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