这几段程序主要是用于介绍离散分数阶傅里叶变换的，在通信信号处理方面有很好的应用。-These program segment are mainly used to introduce a fractional order discrete Fourier transform, signal processing in communication with a good application.

分数低阶循环谱程序，用于计算循环平稳循环的分数低阶循环谱-Fractional lower order cyclic spectrum program for calculating the fractional lower order cyclic spectrum of the cycle.