自己编写的matlab中的逆FFT变换，可以用于交流学习

自己编写的matlab中的逆FFT变换，可以用于交流学习-I have written in matlab inverse FFT transform, can be used for the exchange of learning

自己编制的傅立叶反变换MATLAB程序，有详细的注释，方便大家理解傅立叶反变换的意义。-Prepared by the Fourier inverse transform their own MATLAB programs, with detailed notes, to facilitate us to understand the significance of the Fourier inverse transform.

谱分析，自己编写的算法过程，蝶形算法的全过程，详细，便于初学者使用。(Spectral analysis, the algorithm itself written process, butterfly algorithm of the whole process, detailed, easy for beginners to use.)