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Global Mosaics of the Relative Height Error From TanDEM-X Quicklooks

Rizzoli, Paola and Martone, Michele and Bräutigam, Benjamin (2015) Global Mosaics of the Relative Height Error From TanDEM-X Quicklooks. IEEE Geoscience and Remote Sensing Letters, 12 (9), pp. 1928-1932. IEEE - Institute of Electrical and Electronics Engineers. doi: 10.1109/LGRS.2015.2439331. ISSN 1545-598X.

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Abstract

The primary objective of the TanDEM-X mission is the generation of a global high-precision digital elevation model (DEM) by using synthetic aperture radar interferometry. This letter presents the developed strategy for estimating the relative height error of the TanDEM-X DEM on a global scale. The mosaicking process of the final DEM combines all acquisitions at full resolution and is expected to be finished by late 2016. On the other hand, global mosaics can be generated starting from quicklook images already available for each single input data take. These downsized mosaics are operationally used to analyze the performance improvement that can be achieved by combining multiple acquisitions over the same ground areas and are a powerful mean for optimizing further acquisition planning. This letter reports the expected global performance of the final TanDEM-X product in advance of the full-resolution DEM. Knowledge of the global status of the TanDEM-X DEM relative height error is fundamental for optimizing the acquisition strategy and, therefore, the final performance and represents a valuable input for the scientific community as well as for selecting suitable areas for further interferometric experiments on a global scale.

Item URL in elib:https://elib.dlr.de/99323/
Document Type:Article
Title:Global Mosaics of the Relative Height Error From TanDEM-X Quicklooks
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Rizzoli, PaolaUNSPECIFIEDUNSPECIFIED
Martone, MicheleUNSPECIFIEDUNSPECIFIED
Bräutigam, BenjaminUNSPECIFIEDUNSPECIFIED
Date:September 2015
Journal or Publication Title:IEEE Geoscience and Remote Sensing Letters
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:12
DOI :10.1109/LGRS.2015.2439331
Page Range:pp. 1928-1932
Publisher:IEEE - Institute of Electrical and Electronics Engineers
ISSN:1545-598X
Status:Published
Keywords:Digital elevation model (DEM), height error, interferometry, mosaicking, synthetic aperture radar (SAR), TanDEM-X
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:Microwaves and Radar Institute
Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Rizzoli, Paola
Deposited On:13 Nov 2015 13:04
Last Modified:08 Mar 2018 18:31

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