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Modeling and Compensation for Repositioning Error in Discontinuous GBSAR Monitoring | IEEE Journals & Magazine | IEEE Xplore

Modeling and Compensation for Repositioning Error in Discontinuous GBSAR Monitoring


Abstract:

To compensate for the repositioning error (RE) introduced by the radar position offset in discontinuous ground-based synthetic aperture radar (GBSAR) monitoring, a new ma...Show More

Abstract:

To compensate for the repositioning error (RE) introduced by the radar position offset in discontinuous ground-based synthetic aperture radar (GBSAR) monitoring, a new mathematical framework for modeling the baseline error based on the Taylor expansion is developed in this letter. And then, a novel 3-D model called multiparameter nonlinear trigonometric model (MNTM) is proposed to accurately compensate for the RE. Furthermore, to improve the compensating efficiency, we further develop an efficient 2-D model called linear trigonometric model (LTM). Both simulation and field experiments verify the superiority and feasibility of the proposed methods, which measure the displacement with sub-millimeter accuracy.
Published in: IEEE Geoscience and Remote Sensing Letters ( Volume: 20)
Article Sequence Number: 4012705
Date of Publication: 12 October 2023

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