PULSE TIME DELAY RECONSTRUCTIONS FOR GEOPHYSICAL TOMOGRAPHY.

Brad L. Carlson, Constantine Balanis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Geotomography methods are presented for reconstruction of an index-of-refraction distribution from time-delay measurements. Two versions of the algebraic reconstruction algorithm (ART) are compared to the conjugate residual (CR) algorithm with Lagrange multiplier conditioning. Refraction modeling is included in the reconstructions. Under noisy conditions, the CR algorithm gave superior results in comparison with both versions of ART. The conditioned CR is very stable with noise and accurately defines the anomaly boundaries.

Original languageEnglish (US)
Title of host publicationDigest - International Geoscience and Remote Sensing Symposium (IGARSS)
Place of PublicationNew York, NY, USA
PublisherIEEE
Pages21-26
Number of pages6
StatePublished - 1987

ASJC Scopus subject areas

  • Engineering(all)

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