时间序列的时频特性分析研究时间序列的傅里叶变换及逆变换，快速梅林变换及逆变换，短时离散傅里叶变换，得到瞬时频率。 研究时间序列的Born–Jondan时频分布图，Butterworth时频分布图，Choi–Williams时频分布图，得到瞬时频率。 -Time series analysis of time-frequency characteristics of time series of Fourier transform and inverse transform, the fa

频域卷积混合盲源分离，可作为实验平台使用。包括短时傅里叶变换及逆变换，复数ICA，解决排列歧义性的算法，算法性能评价等内容。-Frequency domain convolutive blind source separation.

可轻松实现短时傅里叶变换及对应逆变换，可更改程序内部窗函数，自行选择合适窗函数进行分析(Short-time Fourier transform and corresponding inverse transform can be easily realized. The internal window function of the program can be changed and the suitable window function can be selected by onesel