Linear Array Thinning with Cavity backed U-slot Patch Antenna using Genetic Algorithm

  • Novalia Pertiwi Department of Telecommunication Engineering, Institut Teknologi Sumatera, Lampung, Indonesia
  • Fannush Shofi Akbar Department of Telecommunication Engineering, Institut Teknologi Telkom Surabaya, Indonesia
  • Eko Setijadi Department of Electrical Engineering, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia
  • Gamantyo Hendrantoro Department of Electrical Engineering, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia

Abstract

In this paper, a thinned linear array with Cavity backed U-slot Patch has been investigated using the Genetic Algorithm to minimize peak sidelobe level and the number of antenna elements. One of the essential steps in the Genetic Algorithm method is a crossover, which uses the Paired Top Ten and Combined Top Five rules applied to the Cavity backed U-slot Patch antenna. The peak sidelobe level value is -18.63 dB with a array filling of 63.33% at the broadside angle using Combined Top Five rules. In Paired Top Ten, the peak sidelobe level value is -19.48 dB with a array filling of 70%. The two methods are still better as compared to a dense array. This study is essential in the development of radar technologies since it needs a low sidelobe level.

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Published
2021-03-11
How to Cite
PERTIWI, Novalia et al. Linear Array Thinning with Cavity backed U-slot Patch Antenna using Genetic Algorithm. Journal of Science and Applicative Technology, [S.l.], v. 5, n. 1, p. 9-16, mar. 2021. ISSN 2581-0545. Available at: <https://journal.itera.ac.id/index.php/jsat/article/view/386>. Date accessed: 25 apr. 2024. doi: https://doi.org/10.35472/jsat.v5i1.386.