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Electronics 2019, 8(1), 83; https://doi.org/10.3390/electronics8010083

Efficient Large Sparse Arrays Synthesis by Means of Smooth Re-Weighted L1 Minimization

1
DIEI, University of Cassino and Southern Lazio, via G. Di Biasio 43, 03043 Cassino, Italy
2
[email protected], via G. Di Biasio 43, 03043 Cassino, Italy
*
Author to whom correspondence should be addressed.
Received: 2 November 2018 / Revised: 20 December 2018 / Accepted: 8 January 2019 / Published: 11 January 2019
(This article belongs to the Special Issue Intelligent Antennas)
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PDF [3197 KB, uploaded 11 January 2019]
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Abstract

In this paper, we present an efficient technique for the synthesis of very large sparse arrays, with arbitrary circularly-symmetrical upper bounds for the pattern specifications. The algorithm, which is based on iterative smooth re-weighted L1 minimizations, is very flexible and is capable of achieving very good performances with respect to competitive algorithms. Furthermore, thanks to its efficiency, planar arrays of hundreds of wavelengths can be synthesized with limited computational effort. View Full-Text
Keywords: antenna arrays; sparse arrays; radar; pattern synthesis; signal processing antenna arrays; sparse arrays; radar; pattern synthesis; signal processing
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Pinchera, D.; Migliore, M.D.; Lucido, M.; Schettino, F.; Panariello, G. Efficient Large Sparse Arrays Synthesis by Means of Smooth Re-Weighted L1 Minimization. Electronics 2019, 8, 83.

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