elib
DLR-Header
DLR-Logo -> http://www.dlr.de
DLR Portal Home | Imprint | Privacy Policy | Contact | Deutsch
Fontsize: [-] Text [+]

TanDEM-X: The New Global DEM Takes Shape

Zink, Manfred and Bachmann, Markus and Bräutigam, Benjamin and Fritz, Thomas and Hajnsek, Irena and Krieger, Gerhard and Moreira, Alberto and Wessel, Birgit (2014) TanDEM-X: The New Global DEM Takes Shape. IEEE Geoscience and Remote Sensing Magazine (GRSM), 2 (2), pp. 8-23. IEEE - Institute of Electrical and Electronics Engineers. ISSN 2168-6831

Full text not available from this repository.

Abstract

TanDEM-X (TerraSAR-X add-on for Digital Elevation Measurements) is an innovative formation flying radar mission that opens a new era in spaceborne radar remote sensing. The primary objective is the acquisition of a global Digital Elevation Model (DEM) with unprecedented accuracy (12 m horizontal resolution and 2 m relative height accuracy). This goal is achieved by extending the TerraSAR-X synthetic aperture radar (SAR) mission by a second, TerraSAR-X like satellite TanDEM-X (TDX) flying in close formation with TerraSAR-X (TSX). The resulting large single-pass SAR interferometer features flexible baseline selection enabling the acquisition of highly accurate cross-track interferograms not impacted by temporal decorrelation and atmospheric disturbances. Beyond the global DEM, several secondary mission objectives based on along-track interferometry as well as new bistatic and multistatic SAR techniques have been defined. Since 2010 both satellites have been operated in close formation to map all land surfaces at least twice and difficult terrain even up to four times. While data acquisition for DEM generation will be concluded in the second half of 2014 it is expected to complete the processing of the global DEM by the end of 2015. This paper provides an overview of the TanDEM-X mission and summarizes its actual status as well as the performance of the system and the first final DEMs. Up to now the mission driver was the DEM generation and scientific experiments have been limited to the pre-defined DEM formation geometries. This paper also outlines the current planning for a dedicated science phase starting in the last quarter of this year.

Item URL in elib:https://elib.dlr.de/91378/
Document Type:Article
Title:TanDEM-X: The New Global DEM Takes Shape
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Zink, ManfredUNSPECIFIEDUNSPECIFIED
Bachmann, MarkusUNSPECIFIEDUNSPECIFIED
Bräutigam, BenjaminUNSPECIFIEDUNSPECIFIED
Fritz, ThomasUNSPECIFIEDUNSPECIFIED
Hajnsek, IrenaUNSPECIFIEDUNSPECIFIED
Krieger, GerhardUNSPECIFIEDUNSPECIFIED
Moreira, AlbertoUNSPECIFIEDUNSPECIFIED
Wessel, BirgitUNSPECIFIEDUNSPECIFIED
Date:June 2014
Journal or Publication Title:IEEE Geoscience and Remote Sensing Magazine (GRSM)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:2
Page Range:pp. 8-23
Publisher:IEEE - Institute of Electrical and Electronics Engineers
ISSN:2168-6831
Status:Published
Keywords:Synthetic Aperture Radar (SAR), Interfero-metry, bistatic SAR, Digital Elevation Model (DEM), Spaceborne SAR, Formation Flight
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Projekt TanDEM-X
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Remote Sensing Technology Institute
German Remote Sensing Data Center
Microwaves and Radar Institute > Radar Concepts
Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Zink, Dr.-Ing. Manfred
Deposited On:30 Oct 2014 10:43
Last Modified:06 Sep 2019 15:30

Repository Staff Only: item control page

Browse
Search
Help & Contact
Information
electronic library is running on EPrints 3.3.12
Copyright © 2008-2017 German Aerospace Center (DLR). All rights reserved.