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Three-dimensional subterranean target identification by use of optimization techniques

  • J. A. Kong
Publiceringsår: 1997
Språk: Engelska
Sidor: 141-164
Publikation/Tidskrift/Serie: Progress In Electromagnetics Research, PIER
Volym: 15
Dokumenttyp: Artikel
Förlag: EMW Publishing


The identification of a subterranean metallic ore from scattering experiments, conducted on the surface of the ground or in a bore hole, is a classic geophysical
problem. In general this problem is not well-posed. However, a priori information about the shape of the target provides enough regularization to make the problem numerically stable. The problem is solved by minimizing
the mean-square error between an eleven parameter model, based on the null field approach, and the data. The optimization is done with a Newton technique in which a singular value decomposition of the model Jacobian is
employed. The algorithm is very stable to noise and makes good reconstructions from feasible starting guesses, for realistically noise contaminated data.



  • Electrical Engineering, Electronic Engineering, Information Engineering
  • Other Electrical Engineering, Electronic Engineering, Information Engineering


  • ISSN: 1043-626X

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