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System characterization and polarimetric calibration of theku-band advanced polarimetric interferometer

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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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/
Document Type:Conference or Workshop Item (Speech)
Title:System characterization and polarimetric calibration of theku-band advanced polarimetric interferometer
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Frey, OthmarethUNSPECIFIED
Werner, CharlesgammaUNSPECIFIED
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
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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