4Philippe S,Guy D.Seismic sequence analysis and attribute extraction using quadratic time-frequency representations[J].Geophysics 2001,66 (6):1947～1959.
5Robert P C,Lalu M.The S-transform with windows of arbitray and varying shape[J].Geophysics,68(1):381～385.
6Hardy H H,Richard A,Beier,Jonathan D.Gaston.Frequency estimates of seismic traces[J].Geophysics,2003,68(1):370 ～380.
7Taner M T,Koehler F,Sheriff R E.Complex seismic trace analysis[J].Geophysics,1979,44(6):1041～1063.
8Peng Z K,Peter W,Tes F,Chu L.An improved HilbertHuang transform and its application in vibration signal analysis[J].Journal of Sound and Vibration.2005,286:187～205.
9Choi A.Real-time fundamental frequency estimation by leastsquare fitting[J].IEEE Trans.Speech Audio processing.1997,5,201～205.
10Liu J L.Time-Frequency decomposition based on Ricker wavelet[J].SEG Expanded Abstarcts,2004,23:1933.
