分数阶傅里叶变换的二维峰值搜索，针对线性调频信号的峰值能进行很好估计-D peak search Fractional Fourier transform for the peak chirp signal can be well estimated

包含特征值与特征向量的提取、训练样本以及最后的识别，计算时间和二维直方图,分数阶傅里叶变换计算方面。- Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Computing time and two-dimensional histogram, Fractional Fourier transform computing.

isodata 迭代自组织的数据分析，分数阶傅里叶变换计算方面,可实现对二维数据的聚类。- Isodata iterative self-organizing data analysis, Fractional Fourier transform computing, Can realize the two-dimensional data clustering.

BP神经网络的整个训练过程,分数阶傅里叶变换计算方面,可实现对二维数据的聚类。- The entire training process BP neural network, Fractional Fourier transform computing, Can realize the two-dimensional data clustering.