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Increasing the efficiency and robustness of angular radar calibration by exploiting phase symmetry

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peer-reviewed

Erstveröffentlichung
2021-02-03
Authors
Dürr, André
Linder, Matthias
Waldschmidt, Christian
Beitrag zu einer Konferenz


Published in
European Microwave Week 2020 Conference Proceedings ; 2020 (2021). - S. 30-33. - ISBN 978-2-87487-058-3
Link to original publication
https://dx.doi.org/10.1109/EuRAD48048.2021.00019
Faculties
Fakultät für Ingenieurwissenschaften, Informatik und Psychologie
Institutions
Institut für Mikrowellentechnik
Document version
accepted version
Conference
European Radar Conference (EURAD), 2021-01-10 - 2021-01-15, Utrecht (online only)
Abstract
For imaging radars, the calibration effort increases with higher frequency and finer angular resolution demands and is therefore one of the largest cost factors in radar production. In case of high angular resolution, the calibration is also sensitive to array misalignment, resulting in costly calibration procedures. This paper proposes an angle-dependent radar calibration method with significantly reduced calibration effort. The high efficiency and robustness against misalignment is achieved by exploiting phase symmetry of a target in the measured radar response. Based on an initial theoretical formulation followed by an experimental verification, this novel approach does not only yield a cost-effective calibration, but also increases the robustness against array misalignment.
DFG Project THU
binoMIMO / Hochauflösende binokulare MIMO-Millimeterwellen-Radare (binoMIMO) / DFG / 317632307
Subject headings
[GND]: Eichen | Millimeterwelle | Radar
[LCSH]: Calibration | Imaging systems | Millimeter waves | Radar
[Free subject headings]: direction-of-arrival estimation | imaging radar | millimeter wave radar | phase center
[DDC subject group]: DDC 620 / Engineering & allied operations
License
Standard
https://oparu.uni-ulm.de/xmlui/license_v3

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DOI & citation

Please use this identifier to cite or link to this item: http://dx.doi.org/10.18725/OPARU-37411

Dürr, André; Linder, Matthias; Waldschmidt, Christian (2021): Increasing the efficiency and robustness of angular radar calibration by exploiting phase symmetry. Open Access Repositorium der Universität Ulm und Technischen Hochschule Ulm. http://dx.doi.org/10.18725/OPARU-37411
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