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Baffelli, S and Frey, Othmar and Werner, Charles and Hajnsek, Irena (2016) System characterization and polarimetric calibration of theku-band advanced polarimetric interferometer. European Conference on Synthetic Aperture Radar (EUSAR), 2016-06-06 - 2016-06-09, Hamburg, Germany.
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Abstract
This paper addresses the system characterization and the polarimetric calibration of the Ku-Band Advanced Polarimetric Interferometer (KAPRI). KAPRI is an FMCW ground-based real aperture radar system that uses slotted waveguide antennas. The rotation of the antennas introduces undesired phase ramps in azimuth. We present a geometrical model to account for this phase, and propose a method to correct it. Experimental data with a set of trihedral corner reflectors (TCR) in the scene was acquired with the system. A linear phase variation of 30 degrees was observed over the TCR which was geometrically modeled and successfully corrected. © VDE VERLAG GMBH · Berlin · Offenbach.
| Item URL in elib: | https://elib.dlr.de/110705/ | |||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | |||||||||||||||
| Title: | System characterization and polarimetric calibration of theku-band advanced polarimetric interferometer | |||||||||||||||
| Authors: |
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| Date: | 2016 | |||||||||||||||
| Refereed publication: | Yes | |||||||||||||||
| Open Access: | No | |||||||||||||||
| Gold Open Access: | No | |||||||||||||||
| In SCOPUS: | No | |||||||||||||||
| In ISI Web of Science: | No | |||||||||||||||
| Status: | Published | |||||||||||||||
| Keywords: | Antennas; Calibration; Interferometers; Radar; Radar systems; Rectangular waveguides; Slot antennas; Synthetic aperture radar Corner reflector; Geometrical modeling; Linear phase variations; Polarimetric calibration; Polarimetric interferometers; Real aperture radar; Slotted-waveguide antennas; System characterization | |||||||||||||||
| Event Title: | European Conference on Synthetic Aperture Radar (EUSAR) | |||||||||||||||
| Event Location: | Hamburg, Germany | |||||||||||||||
| Event Type: | international Conference | |||||||||||||||
| Event Dates: | 2016-06-06 - 2016-06-09 | |||||||||||||||
| 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 > SAR Technology | |||||||||||||||
| Deposited By: | Bauer, Robert | |||||||||||||||
| Deposited On: | 13 Jan 2017 14:42 | |||||||||||||||
| Last Modified: | 13 Jan 2017 14:42 |
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