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Antenna Phase Center Analysis for the LOFAR Radio Telescope

Date Issued
2019
Author(s)
•
•
•
Virone, G.
•
•
Wijnholds, S. J.
DOI
Abstract
Knowledge of the phase centers of the constituting antennas is important to obtain an accurate array response. This contribution shows an analysis of the antenna phase centers for a station of the Low Frequency Array (LOFAR) radio telescope. Based on simulated patterns, the positions of the phase centers for 46 antennas have been computed at 32 MHz showing considerable deviations from their physical positions due to mutual coupling. The flatness of the phase patterns significantly improves when the phase center is considered.
Coverage
2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting
Series
Start page
405
Conferenece
2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting
Conferenece place
Atlanta, GA, USA
Conferenece date
7-12 July, 2019
Uri
Url
Issn Identifier
1522-3965
Rights
open.access
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