Low-Frequency Square Kilometer Array Pattern Optimization via Convex Programming
A well-known and powerful convex optimization strategy is exploited to enhance the electromagnetic performance of the Square Kilometer Array Low-Frequency radio telescope. The proposed method minimizes the peak sidelobe level while ensuring full control of the receiving pattern across the entire angular domain. The approach is validated through full-wave simulations that incorporate realistic embedded element patterns, demonstrating significant improvements in sidelobe suppression despite the geometric constraints of the array structure. The achieved results underscore the method’s potential for high-performance beam synthesis in large-scale radio astronomy arrays.
Authors
- Maria Grazia Labate (ORCID: https://orcid.org/0000-0002-5762-2578)
- Roberta Palmeri (ORCID: https://orcid.org/0000-0003-4415-2164)
- Giuseppe Caruso (ORCID: https://orcid.org/0000-0002-0433-8223)
- Pietro Bolli (ORCID: https://orcid.org/0000-0001-8770-8316)
- Andrea Francesco Morabito (ORCID: https://orcid.org/0000-0001-7502-6238)
- Giada M. Battaglia (ORCID: https://orcid.org/0000-0001-9129-4320)
Institutions
- Arcetri Astrophysical Observatory (IT)
- Consorzio Nazionale Interuniversitario per le Telecomunicazioni (IT)
- Osservatorio Astrofisico di Catania (IT)
- University of Reggio Calabria (IT)
Publication Details
- Journal
- Applied Sciences
- Published
- 2025-05-24
- DOI
- https://doi.org/10.3390/app15115929
- Citations
- 1
- Primary Topic
- Antenna Design and Optimization
- Type
- article
- Field-Weighted Citation Impact
- 4.99
Funders
- European Commission
- Curtin University of Technology