说明：  给出五种常用小波基的时域和频域波形图,常用小波基有Haar小波、Daubechies(dbN)小波、Mexican Hat(mexh)小波、Morlet小波、Meyer小波等5种。
(The time domain and frequency domain waveform diagram of five kinds of wavelet bases, wavelet base is Haar wavelet, Daubechies wavelet, Mexican (dbN) Hat (mexh) wavelet, Morlet wavelet, Meyer wavelet and 5. )