短时傅立叶变换(STFT)源代码,用语非稳态信号的时频联合描述,可直接用于matlab程序之中.无解压密码.-short-time Fourier transform (STFT) source code, the language of non-stationary signals to the joint time-frequency descr iption, Matlab can be used directly in proc

matlab短时傅利叶变换的程序！ 自己改编的，要是有错误请大家指正 -Short-time Fourier transform matlab procedure! Their own adaptation of it, and if there are mistakes please correct me