为了改善高速磁浮主轴的径向回转精度，该文提出了二维傅里叶频率分析的新方法。

A novel method about two dimension Fourier frequency analysis is proposed in order to obtain high radial rotate precision.

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提出一种将主成分分析(PCA)与最远点距离(FPD)相结合的二维形状傅里叶描述子。

This paper proposes a new Fourier shape descriptor integrated with Principal Component Analysis (PCA) and the Farthest Point Distance (FPD).

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