Electromagnetic Inverse Problem for Relaxation Time Distribution in the Time-Domain Public Deposited

http://ir.library.oregonstate.edu/concern/undergraduate_thesis_or_projects/k643b1959

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  • We consider wide bandwidth electromagnetic pulse interrogation problems for the determination of dielectric response parameters in complex dispersive materials. We couple Maxwell's equations with an auxiliary ODE modeling dielectric polarization. A problem of particular interest is to identify parameters in a standard polarization model (e.g., Debye or Lorentz) using time-domain electric eld data. A larger class of materials (e.g., anomalously dispersive media) can be represented by assuming distributions of parameters (e.g., relaxation times). We present results from an inverse problem for the relaxation time distribution based on a least squares cost functional and utilizing generalized Polynomial Chaos in the forward problem.
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  • description.provenance : Made available in DSpace on 2011-06-20T23:23:46Z (GMT). No. of bitstreams: 1 Electromagnetic Inverse Problem for Relaxation Time Distribution in the Time-Domain.pdf: 1393013 bytes, checksum: d1603fa5f002984be89ca44f0a68b188 (MD5)
  • description.provenance : Approved for entry into archive by Vrushali Bokil(bokilv@math.oregonstate.edu) on 2011-06-20T23:23:46Z (GMT) No. of bitstreams: 1 Electromagnetic Inverse Problem for Relaxation Time Distribution in the Time-Domain.pdf: 1393013 bytes, checksum: d1603fa5f002984be89ca44f0a68b188 (MD5)
  • description.provenance : Submitted by Kevin Campbell (kevin.campbell@oregonstate.edu) on 2011-06-20T22:44:11Z No. of bitstreams: 1 Electromagnetic Inverse Problem for Relaxation Time Distribution in the Time-Domain.pdf: 1393013 bytes, checksum: d1603fa5f002984be89ca44f0a68b188 (MD5)

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