This paper discusses a minimum of parameters to determine the trajectory of a circular interpolation method and the method of frequency control stepper motor.

文中讨论了一种以最少参数确定一条圆弧轨迹的插补方法和步进电机变频调速的方法。

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Circular cylinder is a basic move along a straight line trajectory can be considered as a collection of the same diameter of the circle, if the horizontal section of film, then it is a straight line.

圆筒是基本的圆沿着直线移动的轨迹，可以考虑为相同直径的圆的集合，如果水平放置节片的话它就是直线。

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Circular arc well section parameter calculation is the most primary question among a series of questions of directional orbit design and actual surveyed trajectory.

在定向井轨道设计、实钻轨迹监控等一系列问题中，圆弧井段参数计算是一个最基础的问题。

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