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Article

Dual Cancelled Channel STAP for Target Detection and DOA Estimation in Passive Radar

1
Department of Information Engineering, Electronics and Telecommunications (DIET), Sapienza University of Rome, 00184 Rome, Italy
2
Fraunhofer Institute for High Frequency Physics and Radar Techniques (FHR), 53343 Wachtberg, Germany
*
Author to whom correspondence should be addressed.
Academic Editors: Piotr Samczynski, Daniel W. O’Hagan, Jacek Misiurewicz and Lorenzo Lo Monte
Sensors 2021, 21(13), 4569; https://doi.org/10.3390/s21134569
Received: 18 May 2021 / Revised: 29 June 2021 / Accepted: 30 June 2021 / Published: 3 July 2021
(This article belongs to the Collection Modern Radar Systems)
This paper deals with the problem of detection and direction of arrival (DOA) estimation of slowly moving targets against clutter in multichannel mobile passive radar. A dual cancelled channel space-time adaptive processing (STAP) scheme is proposed, aiming at reducing the system computational complexity, as well as the amount of required training data, compared to a conventional full array solution. The proposed scheme is shown to yield comparable target detection capability and DOA estimation accuracy with respect to the corresponding full array solution, despite the lower computational cost required. Moreover, it offers increased robustness against adaptivity losses, operating effectively even in the presence of a limited set of training data, as often available in the highly non-homogeneous clutter scenarios experienced in bistatic passive radar. The effectiveness of the proposed scheme and its suitability for passive GMTI are demonstrated against both simulated and experimental data collected by a DVB-T-based multichannel mobile passive radar. View Full-Text
Keywords: passive radar; GMTI; AB-STAP; DOA estimation passive radar; GMTI; AB-STAP; DOA estimation
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MDPI and ACS Style

Blasone, G.P.; Colone, F.; Lombardo, P.; Wojaczek, P.; Cristallini, D. Dual Cancelled Channel STAP for Target Detection and DOA Estimation in Passive Radar. Sensors 2021, 21, 4569. https://doi.org/10.3390/s21134569

AMA Style

Blasone GP, Colone F, Lombardo P, Wojaczek P, Cristallini D. Dual Cancelled Channel STAP for Target Detection and DOA Estimation in Passive Radar. Sensors. 2021; 21(13):4569. https://doi.org/10.3390/s21134569

Chicago/Turabian Style

Blasone, Giovanni P., Fabiola Colone, Pierfrancesco Lombardo, Philipp Wojaczek, and Diego Cristallini. 2021. "Dual Cancelled Channel STAP for Target Detection and DOA Estimation in Passive Radar" Sensors 21, no. 13: 4569. https://doi.org/10.3390/s21134569

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