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TanDEM-X Acquisition Planning and DEM Performance in the Third Year of Operation

Schulze, Daniel and Bachmann, Markus and Borla-Tridon, Daniela and Zink, Manfred and Krieger, Gerhard (2013) TanDEM-X Acquisition Planning and DEM Performance in the Third Year of Operation. CSA Advanced SAR Workshop (ASAR), 2013-10-15 - 2013-10-17, Montreal, Kanada.

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Abstract

TanDEM-X is a spaceborne SAR mission with the goal to derive a global Digital Elevation Model (DEM). The two incorporated satellites fly in a close formation with distances of around 500 m. These small baselines form a single pass bistatic interferometer for accurate DEM acquisitions. The final DEM product will enter a new level of detail and accuracy on a global scale. The absolute height error shall be less than 10 m in a 90% confidence interval at a pixel spacing of 12 m. The vertical height specification for the TanDEM-X mission foresees a 90% point-to-point error of 2 m (4 m) for areas with predominant terrain slopes smaller than 20% (greater than 20%) for a 1° by 1° cell. This presentation gives an overview about the planning and the actual status of the global DEM acquisition. This includes the acquisition plan after the first two years of operation, i. e. two global coverages, including the acquisitions of the Antarctica and difficult terrain. Also, the actual performance status in terms of absolute and relative height error and the narrow relation between the DEM acquisition planning and the performance evaluation is presented.

Item URL in elib:https://elib.dlr.de/85376/
Document Type:Conference or Workshop Item (Speech)
Title:TanDEM-X Acquisition Planning and DEM Performance in the Third Year of Operation
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schulze, DanielUNSPECIFIEDUNSPECIFIED
Bachmann, MarkusUNSPECIFIEDUNSPECIFIED
Borla-Tridon, DanielaUNSPECIFIEDUNSPECIFIED
Zink, ManfredUNSPECIFIEDUNSPECIFIED
Krieger, GerhardUNSPECIFIEDUNSPECIFIED
Date:17 October 2013
Refereed publication:Yes
Open Access:No
In DOAJ:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:TanDEM-X, Synthetic aperture radar, Digital Elevation Model, DEM, Performance, Acquisition Planning
Event Title:CSA Advanced SAR Workshop (ASAR)
Event Location:Montreal, Kanada
Event Type:international Conference, Workshop
Event Dates:2013-10-15 - 2013-10-17
Organizer:Canadian Space Agency (CSA)
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 > Radar Concepts
Microwaves and Radar Institute
Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Schulze, Daniel
Deposited On:21 Nov 2013 14:33
Last Modified:08 May 2014 23:19

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