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Proceedings Paper

Free oscillation data inversion for a spherically symmetric earth
Author(s): Rick P. Millane
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Paper Abstract

The problem of determining the internal structure of the earth from the frequencies of free oscillation is considered. The simplified case of a spherically symmetric fluid sphere is examined. An asymptotic analysis implies that a velocity profile that is a small perturbation from a homogeneous fluid is determined, up to a finite number of parameters, by two infinite spectra of appropriate angular orders. A numerical study of the problem for finite spectra indicates what types of spectral data allow a stable reconstruction.

Paper Details

Date Published: 31 August 1993
PDF: 8 pages
Proc. SPIE 1941, Ground Sensing, (31 August 1993); doi: 10.1117/12.154698
Show Author Affiliations
Rick P. Millane, Univ. of Canterbury (New Zealand)


Published in SPIE Proceedings Vol. 1941:
Ground Sensing
Hatem N. Nasr, Editor(s)

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