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TerraSAR-X Products and Methods for Surface Currents Retrieval

Rossi, Cristian and Breit, Helko and Fritz, Thomas and Runge, Hartmut (2009) TerraSAR-X Products and Methods for Surface Currents Retrieval. OceanSAR2009, 07-11 Sep. 2009, Herrsching, Germany.

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Abstract

The purpose of this presentation is to investigate about the estimation of surface currents directly on SAR stripmap focused data. The algorithm relies on efficient baseband magnitude-based Doppler centroid estimation: we prevent our estimate from any possible bias, generated by azimuth ambiguities, selecting the portion of the spectrum less affected by them. The Doppler shift generated by currents is computed using the geometric Doppler as reference or, if a land/water mask is provided as input, a homogeneous section of the land. The accuracy of the estimation is predicted and a validation of the algorithm is made with a TerraSAR-X acquisition over the Elbe river estuary. An introduction to the geometric corrections annotated on TerraSAR-X products is also presented; these corrections are useful for many applications like the precise geolocation of objects in SAR scenes or the transformation between geographic and slant range coordinates.

Item URL in elib:https://elib.dlr.de/63865/
Document Type:Conference or Workshop Item (Speech)
Title:TerraSAR-X Products and Methods for Surface Currents Retrieval
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Rossi, Cristiancristian.rossi (at) dlr.deUNSPECIFIED
Breit, HelkoHelko.Breit (at) dlr.deUNSPECIFIED
Fritz, Thomasthomas.fritz (at) dlr.deUNSPECIFIED
Runge, Hartmuthartmut.runge (at) dlr.deUNSPECIFIED
Date:9 September 2009
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 1-5
Status:Published
Keywords:SAR, Doppler Measurement, Surface Currents
Event Title:OceanSAR2009
Event Location:Herrsching, Germany
Event Type:international Conference
Event Dates:07-11 Sep. 2009
Organizer:DLR
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignment
DLR - Research area:Space
DLR - Program:W - no assignment
DLR - Research theme (Project):W - no assignment (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Rossi, Cristian
Deposited On:08 Apr 2010 09:41
Last Modified:05 Apr 2013 09:31

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