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Bistatic System Calibration in TanDEM-X to Ensure the Global Digital Elevation Model Quality

Hueso Gonzalez, Jaime and Walter Antony, John and Bachmann, Markus and Krieger, Gerhard and Zink, Manfred and Schrank, Dirk and Schwerdt, Marco (2012) Bistatic System Calibration in TanDEM-X to Ensure the Global Digital Elevation Model Quality. ISPRS Journal of Photogrammetry and Remote Sensing, 73, pp. 3-11. Elsevier. DOI: 10.1016/j.isprsjprs.2012.05.008. ISSN 0924-2716.

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Official URL: http://www.sciencedirect.com/science/article/pii/S0924271612000974

Abstract

TanDEM-X is an operational satellite mission with the goal of generating a high quality global digital elevation model (DEM) based on synthetic aperture radar (SAR) interferometry in X-band. In order to ensure the quality of the DEM, the differential range measurements and knowledge of the interferometric baseline have to be extremely accurate. In this paper, the bistatic system calibration strategy implemented in TanDEM-X to achieve the desired DEM quality will be described, focusing on the baseline calibration procedure. The results of the most recent tests, which were performed in parallel to the operational DEM acquisition, verify the suitability of this approach.

Document Type:Article
Title:Bistatic System Calibration in TanDEM-X to Ensure the Global Digital Elevation Model Quality
Authors:
AuthorsInstitution or Email of Authors
Hueso Gonzalez, JaimeUNSPECIFIED
Walter Antony, JohnUNSPECIFIED
Bachmann, MarkusUNSPECIFIED
Krieger, GerhardUNSPECIFIED
Zink, ManfredUNSPECIFIED
Schrank, DirkUNSPECIFIED
Schwerdt, MarcoUNSPECIFIED
Date:September 2012
Journal or Publication Title:ISPRS Journal of Photogrammetry and Remote Sensing
Refereed publication:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:73
DOI:10.1016/j.isprsjprs.2012.05.008
Page Range:pp. 3-11
Publisher:Elsevier
ISSN:0924-2716
Status:Published
Keywords:bistatic, radargrammetry, interferogram, phase, calibration, TanDEM-X, synthetic aperture radar, digital elevation model, height accuracy
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 - Projekt TanDEM-X (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Microwaves and Radar Institute
Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Jaime Hueso Gonzalez
Deposited On:17 Jan 2012 16:43
Last Modified:12 Dec 2013 21:33

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