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Main Authors: Guo, Yukun, Liu, Xiaodong
Format: Preprint
Published: 2026
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Online Access:https://arxiv.org/abs/2604.25583
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author Guo, Yukun
Liu, Xiaodong
author_facet Guo, Yukun
Liu, Xiaodong
contents The inverse scattering problem from the multi-frequency backscattering data is a long-standing open problem. We advance the theory by proving a local uniqueness result. Moreover, we introduce a direct sampling method for quantitatively reconstructing unknown inhomogeneities. Comprehensive numerical experiments validate the robustness, accuracy, and computational effectiveness of the proposed quantitative direct sampling method.
format Preprint
id arxiv_https___arxiv_org_abs_2604_25583
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle A quantitative direct sampling method for inhomogeneities from multi-frequency backscattering measurements
Guo, Yukun
Liu, Xiaodong
Numerical Analysis
The inverse scattering problem from the multi-frequency backscattering data is a long-standing open problem. We advance the theory by proving a local uniqueness result. Moreover, we introduce a direct sampling method for quantitatively reconstructing unknown inhomogeneities. Comprehensive numerical experiments validate the robustness, accuracy, and computational effectiveness of the proposed quantitative direct sampling method.
title A quantitative direct sampling method for inhomogeneities from multi-frequency backscattering measurements
topic Numerical Analysis
url https://arxiv.org/abs/2604.25583