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Wrapped Staring Spotlight SAR

Mittermayer, Josef and Kraus, Thomas and Lopez Dekker, Paco and Prats, Pau and Krieger, Gerhard and Moreira, Alberto (2016) Wrapped Staring Spotlight SAR. IEEE Transactions on Geoscience and Remote Sensing, Vol 54 (10), pp. 5745-5764. IEEE - Institute of Electrical and Electronics Engineers. doi: 10.1109/TGRS.2016.2571340. ISSN 0196-2892.

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Official URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7515225


This paper proposes the wrapped staring spotlight (WSS) SAR imaging mode, which is a new method to extend the azimuth steering capability for phased array SAR to achieve either an improved azimuth geometric or radiometric resolution. It investigates the utility of steering directions with main lobe gains that are smaller than that of the grating lobes and exposes how these directions can be exploited. Furthermore, two methods are proposed to reduce the speckle and the image noise at once, i.e., the Look-Normalized Pattern Correction and the Ω-weighting. Based on two example TerraSAR-X WSS acquisitions, the image performance of extended and point targets is discussed.

Item URL in elib:https://elib.dlr.de/105351/
Document Type:Article
Title:Wrapped Staring Spotlight SAR
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Mittermayer, JosefUNSPECIFIEDhttps://orcid.org/0000-0001-7238-4240UNSPECIFIED
Kraus, ThomasUNSPECIFIEDhttps://orcid.org/0000-0002-9486-7371UNSPECIFIED
Krieger, GerhardUNSPECIFIEDhttps://orcid.org/0000-0002-4548-0285UNSPECIFIED
Moreira, AlbertoUNSPECIFIEDhttps://orcid.org/0000-0002-3436-9653UNSPECIFIED
Date:October 2016
Journal or Publication Title:IEEE Transactions on Geoscience and Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Volume:Vol 54
Page Range:pp. 5745-5764
Publisher:IEEE - Institute of Electrical and Electronics Engineers
Keywords:Look-Normalized Pattern Correction (LNPC), synthetic aperture radar (SAR), wrapped staring spotlight (WSS), Ω-weighting.
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Vorhaben Technologie Experimente TSX und TDX (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Microwaves and Radar Institute > Radar Concepts
Microwaves and Radar Institute > Spaceborne SAR Systems
Microwaves and Radar Institute > SAR Technology
Deposited By: Mittermayer, Dr.-Ing. Josef
Deposited On:25 Jul 2016 08:51
Last Modified:28 Nov 2023 08:39

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