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Farquharson, Gordon and Lopez-Dekker, Paco and Frasier, Stephen J. (2013) Contrast-based Phase Calibration for Remote Sensing Systems with Digital Beamforming Antennas. IEEE Transactions on Geoscience and Remote Sensing, 51 (3), pp. 1744-1754. IEEE - Institute of Electrical and Electronics Engineers. doi: 10.1109/TGRS.2012.2205695. ISSN 0196-2892.
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Abstract
A contrast-based phase calibration algorithm for digital-beamforming remote sensing radars using three contrast metrics is presented. The performance of the algorithm is studied using a combination of simulated and real radar data under various conditions, and is compared with a clutter-based calibration algorithm. An analytical proof showing that maximizing the expected value of the 4-norm metric is equivalent to phase calibrating the image, is provided. We find that the clutter calibration algorithm performs best for statistically homogeneous scenes, but that the contrast calibration algorithms perform better with scenes with larger contrast ratios.
| Item URL in elib: | https://elib.dlr.de/72746/ | ||||||||||||||||
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| Document Type: | Article | ||||||||||||||||
| Additional Information: | ©2010 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: | Contrast-based Phase Calibration for Remote Sensing Systems with Digital Beamforming Antennas | ||||||||||||||||
| Authors: |
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| Date: | 1 March 2013 | ||||||||||||||||
| 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: | 51 | ||||||||||||||||
| DOI: | 10.1109/TGRS.2012.2205695 | ||||||||||||||||
| Page Range: | pp. 1744-1754 | ||||||||||||||||
| Publisher: | IEEE - Institute of Electrical and Electronics Engineers | ||||||||||||||||
| ISSN: | 0196-2892 | ||||||||||||||||
| Status: | Published | ||||||||||||||||
| Keywords: | Antenna arrays, calibration, digital-beamforming, phase estimation, radar, remote sensing. | ||||||||||||||||
| 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 - SAR Expert Support Lab | ||||||||||||||||
| Location: | Oberpfaffenhofen | ||||||||||||||||
| Institutes and Institutions: | Microwaves and Radar Institute > Radar Concepts | ||||||||||||||||
| Deposited By: | Lopez Dekker, Paco | ||||||||||||||||
| Deposited On: | 12 Dec 2011 12:15 | ||||||||||||||||
| Last Modified: | 08 Mar 2018 18:34 |
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