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- W3011770303 abstract "This paper concerns time-harmonic inverse source problems with a single far-field pattern in two dimensions, where the source term is compactly supported in an a priori given inhomogeneous background medium. For convex-polygonal source terms, we prove that the source support together with the zeroth and first order derivatives of the source function at corner points can be uniquely determined. Further, we prove that an admissible set of source functions (including harmonic functions) having a convex-polygonal support can be uniquely identified by a single far-field pattern. A class of radiating sources is characterized and the extension of the radiated field across a corner point is proven impossible. The corner scattering theory leads to a data-driven inversion scheme for imaging an arbitrarily convex-polygonal source support." @default.
- W3011770303 created "2020-03-23" @default.
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- W3011770303 date "2019-07-19" @default.
- W3011770303 modified "2023-10-14" @default.
- W3011770303 title "Inverse source problems in an inhomogeneous medium with a single far-field pattern" @default.
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- W3011770303 doi "https://doi.org/10.48550/arxiv.1907.08390" @default.
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