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Mittermayer, Josef and Wollstadt, Steffen and Prats, Pau and Scheiber, Rolf (2014) The TerraSAR-X Staring Spotlight Mode Concept. IEEE Transactions on Geoscience and Remote Sensing, 52 (6), pp. 3695-3706. IEEE - Institute of Electrical and Electronics Engineers. doi: 10.1109/TGRS.2013.2274821. ISSN 0196-2892.
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Abstract
Abstract—The paper investigates the possibility to enhance the TerraSAR-X (TSX) azimuth resolution by means of staring spotlight imaging in combination with an extended azimuth pattern steering. The current TSX spotlight modes are briefly reviewed, and the azimuth steering limitations are discussed. Based on a realistic TSX azimuth pattern simulation and performance estimation using a Kepler orbit and the WGS84 reference ellipsoid, the key performance parameters are estimated for an increasing azimuth pattern steering angle span. The azimuth ambiguity performance is identified to be the driving performance parameter. Experimental TSX staring spotlight high-resolution images are presented. They demonstrate and verify the envisaged performance estimation. The paper concludes with a concept for a high-resolution TSX staring spotlight mode that serves as baseline for the upcoming operational implementation.
| Item URL in elib: | https://elib.dlr.de/84335/ | ||||||||||||||||||||
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| Document Type: | Article | ||||||||||||||||||||
| Title: | The TerraSAR-X Staring Spotlight Mode Concept | ||||||||||||||||||||
| Authors: |
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| Date: | June 2014 | ||||||||||||||||||||
| 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: | 52 | ||||||||||||||||||||
| DOI: | 10.1109/TGRS.2013.2274821 | ||||||||||||||||||||
| Page Range: | pp. 3695-3706 | ||||||||||||||||||||
| Publisher: | IEEE - Institute of Electrical and Electronics Engineers | ||||||||||||||||||||
| ISSN: | 0196-2892 | ||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||
| Keywords: | Terms—High-resolution, synthetic aperture radar (SAR), staring spotlight, TerraSAR-X | ||||||||||||||||||||
| 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 > Radar Concepts Microwaves and Radar Institute Microwaves and Radar Institute > SAR Technology | ||||||||||||||||||||
| Deposited By: | Mittermayer, Dr.-Ing. Josef | ||||||||||||||||||||
| Deposited On: | 19 Sep 2013 14:22 | ||||||||||||||||||||
| Last Modified: | 08 Mar 2018 18:34 |
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