Archivio Istituzionale della RicercaLow Frequency Aperture Array (LFAA) systems are opening up new frontiers for ground-based radio astronomical instruments. These instruments require advanced measurement procedures and systems for characterization and calibration of their front-end. For this purpose, a test source mounted on an Unmanned Aerial Vehicle (UAV) has been developed in Italy. This system has proven to be a reliable, accurate, portable and effective tool to characterize LFAA systems as demonstrated during measurement campaigns on two Aperture Array Verification Systems for the LFAA of the SKA in the UK and on a LOFAR station in The Netherlands. This contribution gives an overview of these campaigns, the continuous development of the UAV-based measurement system and the envisaged future improvements.
In-situ characterization of international low-frequency aperture arrays by means of an UAV-based system / Bolli, P.; Wijnholds, S. J.; De Lera Acedo, E.; Lingua, A.; Monari, J.; Paonessa, F.; Pupillo, G.; Virone, G.. - STAMPA. - (2017), pp. 1-4. (Intervento presentato al convegno 2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) tenutosi a Montreal (CA) nel 19-26 Aug. 2017) [10.23919/URSIGASS.2017.8105020].
In-situ characterization of international low-frequency aperture arrays by means of an UAV-based system
A. Lingua;F. Paonessa;G. Virone
2017
Abstract
Low Frequency Aperture Array (LFAA) systems are opening up new frontiers for ground-based radio astronomical instruments. These instruments require advanced measurement procedures and systems for characterization and calibration of their front-end. For this purpose, a test source mounted on an Unmanned Aerial Vehicle (UAV) has been developed in Italy. This system has proven to be a reliable, accurate, portable and effective tool to characterize LFAA systems as demonstrated during measurement campaigns on two Aperture Array Verification Systems for the LFAA of the SKA in the UK and on a LOFAR station in The Netherlands. This contribution gives an overview of these campaigns, the continuous development of the UAV-based measurement system and the envisaged future improvements.
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https://hdl.handle.net/11583/2692194
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