The TanDEM-X Mission: Earth Observation in 3D

TitleThe TanDEM-X Mission: Earth Observation in 3D
Publication TypeConference Paper
Year of Publication2013
AuthorsBräutigam, Benjamin, Manfred Zink, Irena Hajnsek, and Gerhard Krieger
Refereed DesignationRefereed
Conference NameGeomorphometry 2013
Date Published2013
Conference LocationNanjing, China
Abstract

TanDEM-X is an innovative radar mission which encompasses two formation flying satellites. Its primary goal is the generation of a global Digital Elevation Model (DEM) of unprecedented accuracy. The baseline between the satellites can be flexibly adjusted for single-pass SAR interferometry. The DEMs are produced by cross-track interferometry. Their high performance will be achieved by combining at least two global coverages into a homogenous mosaic of a global DEM. The final DEM consists of geo cells with 1° by 1° size. Delivery of DEM products to registered scientific and commercial users will commence in 2014. Furthermore, the secondary mission goals of TanDEM-X exploit the versatility of the two SAR instruments. Along-track SAR interferometry as well as bistatic and multi-channel SAR techniques are possible, providing unique capabilities for scientific researches in the field of remote sensing. This paper gives a status summary of the TanDEM-X mission with respect to the DEM generation and actual performance, its output products, and an outlook on future mission steps.

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