此程序为本人自学所用，是为了方便自己平时所用而准备的，分享给大家import scipy.signal as signalimport numpy as npimport matplotlib.pyplot as pltfs=1024 #采样频率data=[]#一维数据f, t, nd = signal.stft(data,fs=fs,window='hann',nperseg=256,nover