Mittermayer, Josef and Prats, Pau and Wollstadt, Steffen and Baumgartner, Stefan and Lopez-Dekker, Paco and Krieger, Gerhard and Moreira, Alberto (2012) Approach to Velocity and Acceleration Measurement in the Bi-directional SAR Imaging Mode. In: Proceedings of IEEE International Geoscience and Remote Sensing Symposium (IGARSS) . IEEE. IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2012-07-22 - 2012-07-27, Munich, Germany.
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This paper presents an initial analysis of the possibilities for velocity and acceleration measurement with the Bi-Directional (BiDi) SAR imaging mode. The analysis comprises single satellite single path acquisitions as well as one path of a constellation of two satellites. The translational velocity components into azimuth and range directions are simulated for TerraSAR-X parameters. Image examples show velocity and acceleration effects on ships in the Singapore harbor area acquired with the TerraSAR-X (TSX) and TanDEM-X (TDX) satellites. Special attention is given to interferometric fringes observed on anchoring ships after the subtraction of the surface related phase component. A first approach into the understanding of rotational effects was achieved by the simulation of a rotating ship which resulted in a similar fringe pattern as observed in the interferogram.
|Document Type:||Conference or Workshop Item (Speech, Paper)|
|Title:||Approach to Velocity and Acceleration Measurement in the Bi-directional SAR Imaging Mode|
|Journal or Publication Title:||Proceedings of IEEE International Geoscience and Remote Sensing Symposium (IGARSS)|
|Keywords:||BiDirectional SAR (BiDi), Synthetic Aperture Radar (SAR), Velocity Measurement, TerraSAR-X|
|Event Title:||IEEE International Geoscience and Remote Sensing Symposium (IGARSS)|
|Event Location:||Munich, Germany|
|Event Type:||international Conference|
|Event Dates:||2012-07-22 - 2012-07-27|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||Earth Observation|
|DLR - Research area:||Raumfahrt|
|DLR - Program:||R EO - Erdbeobachtung|
|DLR - Research theme (Project):||R - Vorhaben Entwicklung eines Mini-SAR|
|Institutes and Institutions:||Microwaves and Radar Institute > Radar Concepts|
Microwaves and Radar Institute
Microwaves and Radar Institute > SAR Technology
|Deposited By:||Dr.-Ing. Josef Mittermayer|
|Deposited On:||26 Jun 2012 13:03|
|Last Modified:||09 Aug 2012 13:53|
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