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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
Abstract
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/ | ||||||||||||||||||||||||||||
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| Document Type: | Article | ||||||||||||||||||||||||||||
| Title: | Wrapped Staring Spotlight SAR | ||||||||||||||||||||||||||||
| Authors: |
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| 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 SCOPUS: | Yes | ||||||||||||||||||||||||||||
| In ISI Web of Science: | Yes | ||||||||||||||||||||||||||||
| Volume: | Vol 54 | ||||||||||||||||||||||||||||
| DOI: | 10.1109/TGRS.2016.2571340 | ||||||||||||||||||||||||||||
| Page Range: | pp. 5745-5764 | ||||||||||||||||||||||||||||
| Publisher: | IEEE - Institute of Electrical and Electronics Engineers | ||||||||||||||||||||||||||||
| ISSN: | 0196-2892 | ||||||||||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||||||||||
| 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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