Comparison of techniques that use the single scattering model to compute the quality factor Q from coda waves

Novelo-Casanova, D. A.; Lee, W. H. K.

Abstract:

Using simulated coda waves, the resolution of the single-scattering model to extract coda Q (Qc) and its power law frequency dependence was tested. The back-scattering model of Aki and Chouet (1975) and the single isotropic-scattering model of Sato (1977) were examined. The results indicate that: (1) The input Qc models are reasonably well approximated by the two methods; (2) almost equal Qc values are recovered when the techniques sample the same coda windows; (3) low Qc models are well estimated in the frequency domain from the early and late part of the coda; and (4) models with high Qc values are more accurately extracted from late code measurements. ?? 1991 Birkha??user Verlag.

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Article

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70016596

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Novelo-Casanova, D. A.; Lee, W. H. K.

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English

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Pure and Applied Geophysics PAGEOPH

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Comparison of techniques that use the single scattering model to compute the quality factor Q from coda waves; 1991; Article; Journal; Pure and Applied Geophysics PAGEOPH; Novelo-Casanova, D. A.; Lee, W. H. K.