2 papers
astro-ph.IM2024
Spectral Smoothness of Ground Plane Backed Log-Periodic Dipole Antennas for Radioastronomical Applications
Georgios Kyriakou, Pietro Bolli, Mirko Bercigli
The spectral smoothness properties of the low-frequency array of the Square Kilometer Array (SKA), namely SKA-Low, are an important issue for its scientific objectives to be attain…
math.NA2015
Hierarchical bases preconditioner to enhance convergence of the CFIE with multiscale meshes
Marco Righero, Iulia Martina Bulai, Matteo Alessandro Francavilla +5
A hierarchical quasi-Helmholtz decomposition, originally developed to address the low-frequency and dense-discretization breakdowns for the EFIE, is applied together with an algebr…