22 September 1983 The Effects Of Dissipation In One-Dimensional Inverse Problems
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Proceedings Volume 0413, Inverse Optics I; (1983) https://doi.org/10.1117/12.935843
Event: 1983 Technical Symposium East, 1983, Arlington, United States
Abstract
Consider the problem of determining the permittivity as a function of depth in a one-dimensional medium. If the incident field is a transverse electric plane wave then the permittivity can be determined by using the resulting reflected field in an appropriate inversion algorithm, assuming the conductivity of the medium is known. However, if the conductivity is only known approximately, use of such inversion techniques can result in erroneous estimates of the permittivity. In this paper we examine how the performance of an inversion algorithm is altered by misrepresenting the dissipative effects of the medium. Two cases are of interest: 1. The assumed dissipative effects differ slightly from the actual dissipative effects throughout the medium, e.g., assuming no dissipation in a medium which in fact has small, non-zero conductivity. 2. Ignoring conductivity in a narrow region of the medium. These studies will be carried out using the techniques developed in the companion paper, "Wave splittings, invariant imbedding and inverse scattering."
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J. P. Corones, J. P. Corones, M. E. Davison, M. E. Davison, R. J. Krueger, R. J. Krueger, } "The Effects Of Dissipation In One-Dimensional Inverse Problems", Proc. SPIE 0413, Inverse Optics I, (22 September 1983); doi: 10.1117/12.935843; https://doi.org/10.1117/12.935843
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