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ZHOU CHANGXI, Xu GUOMING h. 1990: HOMOMORPHIC SINGAL PROCESSING FOR THE ALIASING SIESMIC SIGNALS. Acta Seismologica Sinica, 12(3): 299-306.
Citation: ZHOU CHANGXI, Xu GUOMING h. 1990: HOMOMORPHIC SINGAL PROCESSING FOR THE ALIASING SIESMIC SIGNALS. Acta Seismologica Sinica, 12(3): 299-306.
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HOMOMORPHIC SINGAL PROCESSING FOR THE ALIASING SIESMIC SIGNALS

  • University of Science and Technology of China, Hefei

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  • Published Date: September 01, 2011
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  • The basic theory of convolution homomorphic signal processing and method of its computer realization are discussed in this paper. The dada processing of the reverberative theoretical signals verifies that this method works well in distinguishing delayed signals. Seismic records of Luquan earthquake which occurred in Yunnan province on April 18,1985 are analysed,and the result is pretty good. Convolution homomorphic signal processing seems to be an effective method for distinguishing the delayed signals from the reverberant signal.
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  • [1] Boget, B.P, Healy, M. J. R. and Tukey, J. W., 1963. The Frequency Analysis of time Series for Echoes: Cepstrum,Pseudo—autocorariance, Cross—Cepstrum,and Saphe Cracking,Proc. Symp.Time Series Analysis,M. Rosenblatt, Ed., New York, Jone Wiley & Sons. Inc., New York. pp. 209—243.

    [2] Oppenhein A. V., 1965. Nonlinear Filtering of Convolved Signals. Quart. Progr. Rept., 54, Research Laboratory Electronics. MIT, Cambridge, Mass., Jan. 1965, pp. 168—175.

    [3] Oppenhein A. V., Schfer R. W., 1975. Digital Signal Processing, Prentice—Hall, Inc., Chapter 10.

    [4] Jin D. J. and Eisner, E., 1984. A Review of Homomorphic Deconvolution, Rev. of Geophy, and Space Phys., 22, 255—263.

    [5] Kim J. Y. and Behrens, J., 1983. Recovery of reflector series by determining the beginning position of estimated wavelets using shorttime homomorphic analysis. Ann. Geophys., 1, 11—15.

    [6] Papazis, P. K., and Jensen, O. G., 1983. Homomorpliic decartvalution application of gravitational and magnetic field waveforms. Geophysics, 48, 1389—1397.
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