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\begin{document}

\title{Near-Field Resolution in Planar Source Reconstructions}



\author[1]{Maria Antonia Maisto }%
\author[1]{Rocco Pierri }%
\author[1]{Raffaele Solimene }%
\affil[1]{Affiliation not available}%


\vspace{-1em}



  
  \date{May 24, 2024}


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\begin{abstract}
This paper deals with the classical question of estimating the
achievable resolution in terms of the configuration parameters in
inverse source problems. In particular, the study focuses on the case of
a planar surface magnetic current which is to be reconstructed from
near-field observed over a bounded rectangular aperture parallel to the
source domain. Here, the plan is to work out a resolution estimation
that precisely captures the spatially varying behaviour entailed by the
near-field and aspect-limited configuration. To this end, the pertinent
radiation operator is inverted by an adjoint inversion scheme (a
backpropagation- like method) and the corresponding point-spread
function is analytically estimated. Numerical examples show that the
derived resolution estimation clearly points out the role of the
geometrical parameters of the configuration and it is more accurate than
other literature results.%
\end{abstract}%



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