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Prats-Iraola, Pau and Scheiber, Rolf and Rodriguez-Cassola, Marc and Mittermayer, Josef and Wollstadt, Steffen and De Zan, Francesco and Bräutigam, Benjamin and Schwerdt, Marco and Reigber, Andreas and Moreira, Alberto (2014) On the Processing of Very High Resolution Spaceborne SAR Data. IEEE Transactions on Geoscience and Remote Sensing, 52 (10), pp. 6003-6016. IEEE - Institute of Electrical and Electronics Engineers. doi: 10.1109/TGRS.2013.2294353. ISSN 0196-2892.
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Abstract
This paper addresses several important aspects that need to be considered for the processing of spaceborne SAR data with resolutions in the decimeter range. In particular, it will be shown how the motion of the satellite during the transmission/reception of the chirp signal and the effect of the troposphere deteriorate the impulse response function if not properly considered. Further aspects that have been investigated include the curved orbit, the array pattern for electronically steered antennas, as well as considerations within the processing itself. For each aspect a solution is proposed, and the complete focusing methodology is expounded and validated using simulated point targets and staring spotlight data acquired by TerraSAR-X with 16 cm azimuth resolution and 300 MHz range bandwidth.
| Item URL in elib: | https://elib.dlr.de/86304/ | ||||||||||||||||||||||||||||||||||||||||||||
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| Document Type: | Article | ||||||||||||||||||||||||||||||||||||||||||||
| Additional Information: | ©2014 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE | ||||||||||||||||||||||||||||||||||||||||||||
| Title: | On the Processing of Very High Resolution Spaceborne SAR Data | ||||||||||||||||||||||||||||||||||||||||||||
| Authors: |
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| Date: | October 2014 | ||||||||||||||||||||||||||||||||||||||||||||
| Journal or Publication Title: | IEEE Transactions on Geoscience and Remote Sensing | ||||||||||||||||||||||||||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||||||||||||||||||||||||||
| Open Access: | Yes | ||||||||||||||||||||||||||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||||||||||||||||||||||||||
| In SCOPUS: | Yes | ||||||||||||||||||||||||||||||||||||||||||||
| In ISI Web of Science: | Yes | ||||||||||||||||||||||||||||||||||||||||||||
| Volume: | 52 | ||||||||||||||||||||||||||||||||||||||||||||
| DOI: | 10.1109/TGRS.2013.2294353 | ||||||||||||||||||||||||||||||||||||||||||||
| Page Range: | pp. 6003-6016 | ||||||||||||||||||||||||||||||||||||||||||||
| Publisher: | IEEE - Institute of Electrical and Electronics Engineers | ||||||||||||||||||||||||||||||||||||||||||||
| ISSN: | 0196-2892 | ||||||||||||||||||||||||||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||||||||||||||||||||||||||
| Keywords: | Synthetic aperture radar (SAR), Spotlight SAR, SAR processing, stop-and-go approximation, troposphere | ||||||||||||||||||||||||||||||||||||||||||||
| 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 - Aircraft SAR | ||||||||||||||||||||||||||||||||||||||||||||
| Location: | Oberpfaffenhofen | ||||||||||||||||||||||||||||||||||||||||||||
| Institutes and Institutions: | Microwaves and Radar Institute > Radar Concepts Microwaves and Radar Institute > SAR Technology Microwaves and Radar Institute > Spaceborne SAR Systems | ||||||||||||||||||||||||||||||||||||||||||||
| Deposited By: | Prats, Dr. Pau | ||||||||||||||||||||||||||||||||||||||||||||
| Deposited On: | 05 Dec 2013 09:55 | ||||||||||||||||||||||||||||||||||||||||||||
| Last Modified: | 29 Nov 2023 08:52 |
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