Design of a Compact Dual Circular-Polarized Antenna for L-Band Satellite Applications

Design of a Compact Dual Circular-Polarized Antenna for L-Band Satellite Applications

In this paper, we propose the design of a dual circular-polarized antenna for L-band applications (1.1-1.6 GHz). The designed antenna has been developed by considering crossed-dipoles on top of which a circular patch has been placed to properly act on the mutual coupling between the dipoles. The dua...

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Veröffentlicht in:IEEE antennas and wireless propagation letters 2020-04, Vol.19 (4), p.1-1
Hauptverfasser: Harine, Govindarajan, Pavone, Santi Concetto, Di Donato, Loreto, Di Mariano, Paolo, Distefano, Giuseppe, Livreri, Patrizia, N, Prabagarane, Squadrito, Concetto, Sorbello, Gino
Format: Artikel
Sprache:eng
Schlagworte:
Antenna feeds
Antenna gain
Antenna measurements
Antennas
Bandwidth
Circular polarization
crossed dipoles
Dipole antennas
Dipoles
L-band
Mutual coupling
Parabolic reflectors
patch antennas
Quadratures
Satellite antennas
small satellites
Space applications
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Zusammenfassung:In this paper, we propose the design of a dual circular-polarized antenna for L-band applications (1.1-1.6 GHz). The designed antenna has been developed by considering crossed-dipoles on top of which a circular patch has been placed to properly act on the mutual coupling between the dipoles. The dual circular polarization is achieved by feeding dipoles in quadrature. Moreover, to increase the antenna gain and polarization purity at high elevation angles, a fence of passive monopoles has been added. The proposed antenna can profitably used as primary feed of a low-frequency parabolic reflector.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2020.2971322