就减少频谱泄漏问题,根据基相量循环移位性质提出了一种新的等角度间隔采样算法,并证明了该算法的递推特性。
In order to solve the problem of reducing spectrum leakage, a new algorithm based on equal angle-interval sampling principle is proposed according to the cyclic shift character of base phasor.
建立了采样数据为直角坐标值、坐标原点可以任意选取、各离散采样点之间也不要求为等角度间隔情况下,圆柱度误差评定的最小二乘数学模型。
This paper models the least square algorithm of the cylindricity error in the rectangular coordinates, whose center may be set on random and all discrete data can be sampled optionally.
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