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The no-response approach and its relation to non-iterative methods for the inverse scattering

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Title: The no-response approach and its relation to non-iterative methods for the inverse scattering
Authors: Nakamura, Gen Browse this author
Potthast, Roland Browse this author
Sini, Mourad Browse this author
Issue Date: 28-Oct-2005
Journal Title: Hokkaido University Preprint Series in Mathematics
Volume: 751
Start Page: 1
End Page: 26
Abstract: The goal of this work is to investigate the relation of the no-response approach to some other non-iterative reconstruction schemes. We will derive several equivalence statements and dependency results. For simplicity we consider the obstacle reconstruction problem from far field data. In particular, we investigate two versions of the no-response test (NRT) for the inverse scattering problem. The first version is the pure NRT, the second combines the NRT with a rangetest element. We show convergence for these two versions without any eigenvalue assumption about the scatterer. Second, we state the natural formulation of the probe method for far field data and reformulate the singular sources method. We show that these statements of the two methods coincide and they form one face of the first version of the no-response test. Third, we prove that the convergence of the linear sampling method implies the convergence of the second version of the no-response test. Precisely, we show that we can use the blowup sequence of the linear sampling method to create the blowup sequence of the second version of the no response test. Fourth, we show that the two versions of the no response method are equivalent with respect to their convergence. Thus, the convergence of the linear sampling method also implies the convergence of the pure no-response test.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/69559
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > Hokkaido University Preprint Series in Mathematics

Submitter: 数学紀要登録作業用

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