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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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.
|Document Type:||Conference or Workshop Item (Speech)|
|Title:||TerraSAR-X Products and Methods for Surface Currents Retrieval|
|Date:||09 September 2009|
|Page Range:||pp. 1-5|
|Keywords:||SAR, Doppler Measurement, Surface Currents|
|Event Location:||Herrsching, Germany|
|Event Type:||international Conference|
|Event Dates:||07-11 Sep. 2009|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W - no assignement|
|DLR - Research area:||Space|
|DLR - Program:||W - no assignement|
|DLR - Research theme (Project):||W -- no assignement|
|Institutes and Institutions:||Remote Sensing Technology Institute > SAR Signal Processing|
|Deposited By:||Cristian Rossi|
|Deposited On:||08 Apr 2010 09:41|
|Last Modified:||05 Apr 2013 09:31|
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