Spectral least-squares-method algorithm for measuring geophysical signal parameters

Hee Jeong Im, Theodore A. Craig, Mark R. Pittelkow, Rajiv Kumar

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

An additive least-squares-method algorithm was developed for spectrally estimating unknown parameters of a geophysical signal on a background of steady-state noise having an unknown spectral density. The algorithm was tested using data of regime observations of lithospheric deformations in the Elbrus region obtained using a deformation measuring Baksan laser interferometer (deformograph). The algorithm was used to estimate the parameters of the natural oscillation modes of the Earth excited by strong earthquakes.

Original languageEnglish (US)
Pages (from-to)453-460
Number of pages8
JournalMeasurement Techniques
Volume45
Issue number5
DOIs
StatePublished - Jan 1 2002

ASJC Scopus subject areas

  • Instrumentation
  • Applied Mathematics

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