Optimization of a Conical Corrugated Antenna Using Multiobjective Heuristics for Radio-Astronomy Applications

Autor:	S. López-Ruiz, R. Sánchez Montero, F. Tercero-Martínez, P. L. López-Espí, J. A. López-Fernandez
Jazyk:	angličtina
Rok vydání:	2016
Předmět:	Electrical engineering. Electronics. Nuclear engineering TK1-9971 Cellular telephone services industry. Wireless telephone industry HE9713-9715
Zdroj:	International Journal of Antennas and Propagation, Vol 2016 (2016)
Druh dokumentu:	article
ISSN:	1687-5869 1687-5877
DOI:	10.1155/2016/7024704
Popis:	This paper presents the design of a tree sections corrugated horn antenna with a modified linear profile, using NURBS, suitable for radio-astronomy applications. The operating band ranges from 4.5 to 8.8 GHz. The aperture efficiency is higher than 84% and the return losses are greater than 20 dB in the whole bandwidth. The antenna optimization has been carried out with multiobjective versions of an evolutionary algorithm (EA) and a particle swarm optimization (PSO) algorithm. We show that both techniques provide good antenna design, but the experience carried out shows that the results of the evolutionary algorithm outperform the particle swarm results.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/b8b959b38a9e44b3bcdbeb12b1064019 Zobrazit plný text záznamu Plný text View record in DOAJ