1Mallat S. A theory for multiresolution signal decomposition: the wavelet representation[J]. IEEE Trans Pattern Anal and Machine Intell,1989,11(7):647-693.
2万明习 卞正中 程敬之.医学超声学[M].西安:西安交通大学出版社,1992..
3Gustafsson MG, Stepinski T. Split spectrum algorithms rely on instantaneous phase information--a geometrical approach[J]. IEEE Trans UFFC,1993,40(6):659-665.
4Smith RA, Jones LD, Zeqiri B, et al. Ultrasonic C-scan standardization for fibre-reinforced polymer composites--minimizing the uncertainties in attenuation measurements[J]. INSIGHT,1998,40(1):34-43.
5Mallat S, Hwang WL. Singularity detection and processing with wavelets[J]. IEEE Trans on Information Theory,1992,38(2):617-643.
6Donoho DL, Johnstone IM. Ideal spatial adaption by wavelet shrinkage[J]. Biometrika,1994,81:425-455.
7Donoho DL, Johnstone IM. Adapting to unknown smoothness via wavelet shrinkage[J]. Journal of the American Statistical Association,1995,90:1200-1224.