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Open AccessArticle

The ASI Integrated Sounder-SAR System Operating in the UHF-VHF Bands: First Results of the 2018 Helicopter-Borne Morocco Desert Campaign

1
Institute for Remote Sensing of Environment (IREA), National Research Council (CNR), 80124 Napoli, Italy
2
Department of Engineering (DI), Università degli Studi di Napoli “Parthenope”, 80143 Napoli, Italy
3
CO.RI.S.T.A., COnsorzio di RIcerca su Sistemi di Telesensori Avanzati, 80143 Napoli, Italy
4
Department of Information Engineering and Computer Science, University of Trento, 38123 Trento, Italy
5
Agenzia Spaziale Italiana, Via del Politecnico, 00133 Roma, Italy
6
Department of Electronics, Information, and Bioengineering (DEIB), Politecnico di Milano, 20133 Milano, Italy
*
Author to whom correspondence should be addressed.
Remote Sens. 2019, 11(16), 1845; https://doi.org/10.3390/rs11161845
Received: 21 June 2019 / Revised: 3 August 2019 / Accepted: 5 August 2019 / Published: 8 August 2019
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Abstract

This work is aimed at showing the present capabilities and future potentialities of an imaging radar system that can be mounted onboard flexible aerial platforms, such as helicopters or small airplanes, and may operate in the UHF and VHF frequency bands as Sounder and as Synthetic Aperture Radar (SAR). More specifically, the Sounder operates at 165 MHz, whereas the SAR may operate either at 450 MHz or at 860 MHz. In the work, we present the first results relevant to a set of Sounder and SAR data collected by the radar during a helicopter-borne campaign conducted in 2018 over a desert area in Erfoud, Morocco, just after the conclusion of a system upgrading procedure. In particular, a first analysis of the focusing capabilities of the Sounder mode and of the polarimetric and interferometric capabilities of the SAR mode is conducted. The overall system, originally developed by CO.RI.S.T.A. according to a ASI funding set up in 2010, has been upgraded in the frame of a contract signed in 2015 between ASI and different private and public Italian Research Institutes and Universities, namely CO.RI.S.T.A., IREA-CNR, Politecnico di Milano and University of Trento. View Full-Text
Keywords: Synthetic Aperture Radar (SAR); Airborne SAR; Sounder; P-Band; helicopter-borne radar; UHF and VHF bands Synthetic Aperture Radar (SAR); Airborne SAR; Sounder; P-Band; helicopter-borne radar; UHF and VHF bands
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Perna, S.; Alberti, G.; Berardino, P.; Bruzzone, L.; Califano, D.; Catapano, I.; Ciofaniello, L.; Donini, E.; Esposito, C.; Facchinetti, C.; Formaro, R.; Gennarelli, G.; Gerekos, C.; Lanari, R.; Longo, F.; Ludeno, G.; Mariotti d’Alessandro, M.; Natale, A.; Noviello, C.; Palmese, G.; Papa, C.; Pica, G.; Rocca, F.; Salzillo, G.; Soldovieri, F.; Tebaldini, S.; Thakur, S. The ASI Integrated Sounder-SAR System Operating in the UHF-VHF Bands: First Results of the 2018 Helicopter-Borne Morocco Desert Campaign. Remote Sens. 2019, 11, 1845.

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