Matrix Green's functions for array‐type sources and receivers in multiwave layered media

I. T. Lu, L. B. Felsen

Research output: Contribution to journalArticle

Abstract

Summary. A previous formulation (Lu, Felsen & Kamel) of source‐excited wave propagation in a multiwave layer is here extended to multiple layers, each of which may propagate different multiple wave species, and to simultaneous excitation and detection at arbitrarily specified multiple levels. Field variables are arranged so as to reveal ‘interesting’layers requiring access (for example, those containing a source and/or receiver) but to hide in collective form all other ‘uninteresting’layers. An ordering of wave constituents into array vectors provides not only a physically appealing view of the wave phenomena pertaining to array‐type source and receiver arrangements but may also furnish numerical advantages. The variety of alternative representations in Lu et al. can be brought to bear directly on the present formulation which is thereby endowed with substantial versatility, especially that embodied within the hybrid ray‐mode format.

Original languageEnglish (US)
Pages (from-to)31-48
Number of pages18
JournalGeophysical Journal of the Royal Astronomical Society
Volume84
Issue number1
DOIs
StatePublished - Jan 1986

Keywords

  • hybrid ray‐mode analysis
  • matrix Green's functions
  • multiwave layered media
  • source and receiver arrays

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics
  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

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