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Circularly polarized electronically steerable parasitic array Radiator Antenna for Satellite

Liu, H, Gao, S and Loh, TH (2010) Circularly polarized electronically steerable parasitic array Radiator Antenna for Satellite In: EuCAP 2010, 2010-04-12 - 2010-04-16, Barcelona, Spain.

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Abstract

This paper presents a circularly polarized electronically steerable parasitic array radiator (ESPAR) antenna. Its parasitic array is composed of a reconfigurable periodic structure. Using this novel structure, the radius of the ESPAR antenna has been significantly reduced. The driven element is a circular patch antenna, which connects to a 50 Ω RF source. The parasitic array is controlled by PIN diodes. There are no phase shifters employed for pattern steering. The proposed ESPAR antenna has a maximum gain of 6.2dBi; its elevation angle is tunable from 0 ° to 60 ° with axial ratio lower than 3dB and it is able to cover 360 ° in azimuth at an elevation angle of 45 ° with an axial ratio lower than 3 dB.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Authors :
NameEmailORCID
Liu, HUNSPECIFIEDUNSPECIFIED
Gao, Ss.gao@surrey.ac.ukUNSPECIFIED
Loh, THUNSPECIFIEDUNSPECIFIED
Date : 12 April 2010
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:49
Last Modified : 17 May 2017 11:49
URI: http://epubs.surrey.ac.uk/id/eprint/832837

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