Bulletin of the Seismological Society of America
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Bulletin of the Seismological Society of America; December 1967; v. 57; no. 6; p. 1347-1354
© 1967 Seismological Society of America
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The determination of periods in seismic records

M. SHIMSHONI

DEPARTMENT OF APPLIED MATHEMATICS THE WEIZMANN INSTITUTE OF SCIENCE, REHOVOT, Israel

Abstract

A modification of standard methods to retrieve harmonic components in seismic signals is given. Variation in the number of terms in summation of harmonic components is suggested in order to obtain better suppression of "noise". As a result of this modification, results are obtained whose accuracy is greater than was previously possible. The estimates of the errors are also more realistic. A numerical example is given and the results compare very favorably to those obtained without our modification.






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