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1. Muti-frequency extended sampling method for the inverse acoustic source problem

Author

Jiyu Sun and Jitao Zhang

Subjects
inverse source problem, extended sampling method, multiple frequency data, Mathematics, QA1-939, Applied mathematics. Quantitative methods, T57-57.97
Abstract

We consider the reconstruction of the compact support of an acoustic source given multiple frequency far field data. We propose a multi-frequency extended sampling method (MESM). The MESM computes the solutions of some ill-posed integral equations and constructs an indicator function to image the source. The behavior of the indicator function is justified. The method is fast and easy to implement. Various numerical examples are presented to show the effectiveness of the MESM for both frequency-independent and frequency-dependent sources.

Published
2023
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