我最近在研究frft-分数阶傅里叶变换的数值计算问题，主要是Ozaktas提出的采样型算法，以及Pei 等提出的采样型算法。(I have recently studied the numerical computation of frft- fractional Fourier transform, mainly the sampling algorithm proposed by Ozaktas, and the sampling algorithm proposed by Pei.)