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Multichannel SAR-GMTI in Maritime Scenarios with F-SAR and TerraSAR-X Sensors

Makhoul, Eduardo and Baumgartner, Stefan V. and Jäger, Marc and Broquetas, Antoni (2015) Multichannel SAR-GMTI in Maritime Scenarios with F-SAR and TerraSAR-X Sensors. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 8 (11), pp. 5052-5067. IEEE - Institute of Electrical and Electronics Engineers. doi: 10.1109/JSTARS.2015.2438898. ISSN 1939-1404.

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This paper explores the ground moving target indication (GMTI) capabilities of the German Aerospace Center’s state-of-the-art airborne (F-SAR) and spaceborne (TerraSAR-X) synthetic aperture radars (SARs) when operating over maritime scenarios. The performance of classical dual channel GMTI techniques, such as displaced phase center antenna (DPCA) and along-track interferometry (ATI), as well as the promising adaptive techniques, like extended DPCA (EDPCA) and imaging space-time adaptive processing (ISTAP) have been analyzed on the basis of experimental acquisitions with both sensors. The objective of the paper is to highlight the limitations and challenges to be considered when processing real, multichannel GMTI data from pioneering SAR sensors for maritime surveillance. Different calibration or channel balancing strategies, on the basis of the digital balancing (DB) method, are studied, considering their impact on SAR-GMTI performance. An adaptive SAR processor, accounting for target kinematics and based on a matched filter bank (MFB) approach, is integrated in the SAR-GMTI processing chain in order to retrieve refocused images of the moving vessels.

Item URL in elib:https://elib.dlr.de/94686/
Document Type:Article
Title:Multichannel SAR-GMTI in Maritime Scenarios with F-SAR and TerraSAR-X Sensors
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Broquetas, AntoniUniversitat Politecnica de CatalunyaUNSPECIFIEDUNSPECIFIED
Date:November 2015
Journal or Publication Title:IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 5052-5067
Publisher:IEEE - Institute of Electrical and Electronics Engineers
Keywords:Synthetic Aperture Radar, SAR, Ground Moving Target Indication, GMTI, Space-Time Adaptive Processing, STAP, Along-Track Interferometry, ATI, Traffic Monitoring, Maritime Traffic Monitoring, Ship Detection, TerraSAR-X, F-SAR
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Traffic Management (old)
DLR - Research area:Transport
DLR - Program:V VM - Verkehrsmanagement
DLR - Research theme (Project):V - Vabene++ (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Baumgartner, Dr.-Ing. Stefan V.
Deposited On:19 Jan 2015 10:17
Last Modified:19 Nov 2021 20:28

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