BasicEspritExample.py 文件源码

def plotperiodogram(t,x,fs,ax,ttxt):
    fax,Pxx = periodogram(x,fs,'hanning')
    ax[0].plot(fax,10*np.log10(abs(Pxx)))
    ax[0].set_title(ttxt)

    ax[1].plot(t,x)
    ax[1].set_ylim(-1,1)
    ax[1].set_xlabel('time [sec.]')