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Phase unwrapping strategy and assessment for the high resolution DEMs of the TanDEM-X mission

Lachaise, Marie and Fritz, Thomas (2016) Phase unwrapping strategy and assessment for the high resolution DEMs of the TanDEM-X mission. In: Proceedings of IEEE Geoscience and Remote Sensing Symposium (IGARSS), 2016, pp. 3223-3226. IEEE Xplore. IGARSS 2016, 10-15 July 2016, Beijing, China. doi: 10.1109/IGARSS.2016.7729834. ISBN 978-1-5090-3332-4. ISSN 2153-7003.

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Official URL: http://ieeexplore.ieee.org/document/7729834/


The next milestone in the TanDEM-X mission is the generation of high-resolution DEMs for selected areas. New scenes with lower heights of ambiguity are being acquired to fulfill the goal on the relative height accuracy of 0.8 m. To enable a reliable phase unwrapping in a finite time, a processing concept based on the usage of the final global TanDEM-X DEM has been developed. Since the global DEM provides an up-to-date measurement of the terrain height with an unprecedented high accuracy, it is of great help for the phase unwrapping procedure. This paper proposes an adaption of the Integrated TanDEM-X Processor, which is used operationally for the generation of the global DEM data, so that it can process DEMs of higher resolution from interferometric bistatic data with very low height of ambiguity and better resolution by making good use of the finalized global DEM. The final paper will focus more particularly on the assessment of the unwrapping results.

Item URL in elib:https://elib.dlr.de/108164/
Document Type:Conference or Workshop Item (Speech)
Title:Phase unwrapping strategy and assessment for the high resolution DEMs of the TanDEM-X mission
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Lachaise, Mariemarie.lachaise (at) dlr.deUNSPECIFIED
Fritz, Thomasthomas.fritz (at) dlr.deUNSPECIFIED
Date:November 2016
Journal or Publication Title:Proceedings of IEEE Geoscience and Remote Sensing Symposium (IGARSS), 2016
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
DOI :10.1109/IGARSS.2016.7729834
Page Range:pp. 3223-3226
Publisher:IEEE Xplore
Keywords:phase unwrapping, TanDEM-X, High-resolution DEMs
Event Title:IGARSS 2016
Event Location:Beijing, China
Event Type:international Conference
Event Dates:10-15 July 2016
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 - Projekt TanDEM-X (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Lachaise, Dr Marie
Deposited On:23 Nov 2016 09:27
Last Modified:25 Nov 2016 16:35

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