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Advanced D-InSAR Techniques Applied to a Time Series of Airborne SAR Data

Prats, Pau and Reigber, Andreas and Mallorqui, Jordi J. and Scheiber, Rolf and Moreira, Alberto (2007) Advanced D-InSAR Techniques Applied to a Time Series of Airborne SAR Data. In: Proceedings of the IEEE Geoscience and Remote Sensing Symposium (IGARSS), p. 4. IEEE. IEEE Geoscience and Remote Sensing Symposium (IGARSS), 2007-07-23 - 2007-07-27, Barcelona, Spain.

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Official URL: http://www.grss-ieee.org/

Abstract

This paper presents airborne differential SAR results using a stack of 14 images, which were acquired by the Experimental SAR (E-SAR) system of the German Aerospace Center during a time span of only two and a half hours. An advanced differential technique is used to retrieve the error in the digital elevation model and the temporal evolution of the deformation for every coherent pixel in the image. The two main limitations in airborne SAR processing are analyzed, namely the existence of residual motion errors (inaccuracies in the navigation system in the order of 1−5cm), and the accommodation of the topography and the aperture during processing. The SAR focusing chain to process the data is also presented, together with the modifications in the differential processor to deal with the remaining baseline error. The detected deformation of a corner reflector and of several gricultural fields allows validating the proposed techniques.

Item URL in elib:https://elib.dlr.de/50366/
Document Type:Conference or Workshop Item (Speech, Paper)
Additional Information:©2007 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:Advanced D-InSAR Techniques Applied to a Time Series of Airborne SAR Data
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Prats, PauUNSPECIFIEDUNSPECIFIED
Reigber, AndreasBerlin University of Technology (TUB)UNSPECIFIED
Mallorqui, Jordi J.Universitat Politècnica de Catalunya (UPC)UNSPECIFIED
Scheiber, RolfUNSPECIFIEDUNSPECIFIED
Moreira, AlbertoUNSPECIFIEDUNSPECIFIED
Date:July 2007
Journal or Publication Title:Proceedings of the IEEE Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:p. 4
Publisher:IEEE
Status:Published
Keywords:SAR processing, motion compensation, differential SAR interferometry
Event Title:IEEE Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Barcelona, Spain
Event Type:international Conference
Event Dates:2007-07-23 - 2007-07-27
Organizer:IEEE
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Flugzeug-SAR (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Microwaves and Radar Institute > SAR Technology
Deposited By: Prats, Dr. Pau
Deposited On:31 Jul 2007
Last Modified:31 Jul 2019 19:20

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