Modeling Fast Boat Motion Impact on Satellite SAR MTI Systems

This letter analyzes the problems of imaging small and fast boats with synthetic aperture radar (SAR), which may experience severe defocusing and/or smearing. This situation is encountered, inter alia, in ocean traffic monitoring and surveillance applications where the detection of small and fast ve...

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Bibliographic Details
Published in:IEEE geoscience and remote sensing letters 2015-10, Vol.12 (10), p.2145-2149
Main Authors: Ceba, Francisco, Makhoul, Eduardo, Broquetas, Antoni, Yu Zhan, Beaton, Alasdhair J.
Format: Article
Language:English
Subjects:
Acceleration
Azimuth
Boats
Clutter
Computer simulation
Enginyeria de la telecomunicació
Imaging
Indication
Kinematics
Matched filter bank (MFB)
Matched filters
moving target indication (MTI)
Moving targets
Ocean surveillance
Radar
Radar d'obertura sintètica
Radar detection
Radiocomunicació i exploració electromagnètica
Spaceborne radar
spaceborne radar (SBR)
Syntethic aperture radar
Synthetic aperture radar
synthetic aperture radar (SAR)
Vessels
Àrees temàtiques de la UPC
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Summary:This letter analyzes the problems of imaging small and fast boats with synthetic aperture radar (SAR), which may experience severe defocusing and/or smearing. This situation is encountered, inter alia, in ocean traffic monitoring and surveillance applications where the detection of small and fast vessels is of great interest. The target modeling and impact of moving vessels in SAR images are presented and discussed using simulated results. A matched filter bank is used before applying moving target indication techniques over multichannel SAR images, refocusing the target signal in the azimuth domain and enhancing the detectability of these types of vessels.
ISSN:1545-598X
1558-0571
DOI:10.1109/LGRS.2015.2453018