Increasing stability for the inverse source scattering problem with multi-frequencies
Peijun Li Ganghua Yuan

Consider the scattering of the two-or three-dimensional Helmholtz equation where the source of the electric current density is assumed to be compactly supported in a ball. This paper concerns the stability analysis of the inverse source scattering problem which is to reconstruct the source function. Our results show that increasing stability can be obtained for the inverse problem by using only the Dirichlet boundary data with multi-frequencies.

keywords: Stability multi-frequencies inverse source problem Helmholtz equation partial differential equation

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