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A null-field method for estimating underground position

  • Clayton P. Davis
  • , Weng Cho Chew
  • , W. W. Tucker
  • , P. R. Atkins

Research output: Contribution to journal › Article › peer-review

Abstract

The geometric characteristics of low-frequency magnetic dipole fields and their relative insensitivity to the host media have made low-frequency coils useful for underground geolocation. A robust and succinct method is presented for converting dipole field measurements into estimates of receiver position. A noisy half-space model of the Earth is used to model the receiving environment. A perfectly conducting sphere immersed in a homogeneous conducting background is used to study the localized effects of buried metals.

Original languageEnglish (US)
Article number4686010
Pages (from-to)3731-3738
Number of pages8
JournalIEEE Transactions on Geoscience and Remote Sensing
Volume46
Issue number11
DOIs
StatePublished - Nov 2008
Externally publishedYes

Keywords

  • Half-space
  • Loop antennas
  • Magnetic dipoles

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • General Earth and Planetary Sciences

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