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POL-InSAR Forest Techniques and Applications by means of TanDEM-X new Results and Experiments

Kugler, Florian and Torano-Caicoya, Astor and Papathanassiou, Kostas and Hajnsek, Irena (2013) POL-InSAR Forest Techniques and Applications by means of TanDEM-X new Results and Experiments. In: Proceedings of the IEEE International Geoscience and Remote Sensing Symposium (IGARSS). IEEE. IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2013-07-21 - 2013-07-26, Melbourne, Australia.

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Polarimetric Synthetic Aperture Radar Interferometry (Pol-InSAR) has been proven to be a powerful radar remote sensing technique for the investigation of natural volume scatterers. The coherent combination of single- or multi-baseline interferograms acquired at different polarisations provides sensitivity to the vertical distribution of scattering processes and allows their characterisation by using the associated (volume) interferometric coherences. However, in repeat-pass spaceborne implementations, the inherent presence of temporal decorrelation is biasing the interferometric coherence estimates degrading the sensitivity to vertical scattering structure and limiting the performance of Pol-InSAR inversion techniques. This is the main reason why polarimetric space-borne missions could not contribute essential neither with respect to large scale demonstration of Pol-InSAR techniques nor for the development of new Pol-InSAR applications areas [6]. TanDEM-X – successfully launched in June 2010 – forms together with TerraSAR-X the first single-pass polarimetric interferometer in space. This allows for the first time the acquisition and analysis of Single-, Dual-, and Quad-Pol-InSAR data without the disturbing effect of temporal decorrelation. Even if X-band has - when compared to lower frequencies - a reduced penetration capability recent airborne experiments demonstrated several cases where a rather surprising penetration into natural volume scatterers - as vegetation and ice - could be proven. In this sense, the investigation of the Tandem-X Pol-InSAR data sets will strongly contribute to our understanding of scattering processes at X-band and potential new Pol-InSAR applications.

Item URL in elib:https://elib.dlr.de/86658/
Document Type:Conference or Workshop Item (Speech)
Title:POL-InSAR Forest Techniques and Applications by means of TanDEM-X new Results and Experiments
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:26 July 2013
Journal or Publication Title:Proceedings of the IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Synthetic Aperture Radar, Interferometry, Polarimetric SAR Interferometry, X-band, TerraSAR-X, TanDEM-X, Forest, Forest Parameter, Forest Height
Event Title:IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Melbourne, Australia
Event Type:international Conference
Event Dates:2013-07-21 - 2013-07-26
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 > Radar Concepts
Microwaves and Radar Institute
Deposited By: Kugler, Florian
Deposited On:12 Dec 2013 11:05
Last Modified:27 May 2014 13:33

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