2017
DOI: 10.1016/j.jde.2016.11.006
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Inverse acoustic scattering problem in half-space with anisotropic random impedance

Abstract: Abstract. We study an inverse acoustic scattering problem in half-space with a probabilistic impedance boundary value condition. The Robin coefficient (surface impedance) is assumed to be a Gaussian random function with a pseudodifferential operator describing the covariance. We measure the amplitude of the backscattered field averaged over the frequency band and assume that the data is generated by a single realization of λ. Our main result is to show that under certain conditions the principal symbol of the … Show more

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Cited by 19 publications
(17 citation statements)
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“…Our paper provides continuation to previous work by the authors in [32,25,9], where the averaging procedure to estimate correlations is based on a single realization of the observed data, i.e., the random potential or boundary condition is sampled only once. Such an approach can reveal valuable information of the leading order statistics of the unknown field.…”
Section: Previous Literaturementioning
confidence: 68%
“…Our paper provides continuation to previous work by the authors in [32,25,9], where the averaging procedure to estimate correlations is based on a single realization of the observed data, i.e., the random potential or boundary condition is sampled only once. Such an approach can reveal valuable information of the leading order statistics of the unknown field.…”
Section: Previous Literaturementioning
confidence: 68%
“…In this regard our paper provides the first study of random source problems in fractional diffusion models. Let us also point out that correlation based imaging has been considered for problems where the randomness is an inherent property of the medium or boundary condition [21,22,10,17,23,16,15,8].…”
Section: Previous Literaturementioning
confidence: 99%
“…We also mention the closely related topic of imaging random media by time reversal techniques [2,9,10,17] as well as inverse scattering from random potential or random boundary conditions [11,25,39].…”
Section: 2mentioning
confidence: 99%
“…Thus for every f ∈ N (B) we are able to find w f . In particular, in the inner products (25) w f , κ 2 w h L 2 ((0,∞)×X ) , f ∈ N (B), the left factor w f is known. Observe that for any φ ∈ C ∞ 0 (B) we have w f = φ where f = g φ ∈ N (B), and therefore the inclusion…”
Section: Reduction To the Deterministic Inverse Problemmentioning
confidence: 99%