Low-frequency and high-frequency expressions for the reflection and transmission coefficients of seismic waves for transition layers |
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| Authors: | L A Molotkov Vlastislav ?ervený Old?ich Novotný Reviewer J Vaněk |
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| Institution: | (1) Leningrad Department of the Institute of Mathematics, Acad. Sci., USSR, Leningrad;(2) Institute of Geophysics, The Charles University, Prague |
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| Abstract: | Summary Low-frequency and high-frequency expressions are derived for the reflection and transmission coefficients of SH waves on transition layers, in which the modulus of torsion  and density  vary with depth only. Both the expressions are exact for any finite frequencies. However, the use of the former formulae is more convenient for low frequencies and, likewise, the latter formulae for high frequencies. Explicit expressions for several first terms of the expansions in terms of  and 1/ are given. |
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