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Approach to Velocity and Acceleration Measurement in the Bi-directional SAR Imaging Mode

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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Abstract

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)
Title:Approach to Velocity and Acceleration Measurement in the Bi-directional SAR Imaging Mode
Authors:
AuthorsInstitution or Email of Authors
Mittermayer, JosefUNSPECIFIED
Prats, PauUNSPECIFIED
Wollstadt, SteffenUNSPECIFIED
Baumgartner, StefanUNSPECIFIED
Lopez-Dekker, PacoUNSPECIFIED
Krieger, GerhardUNSPECIFIED
Moreira, AlbertoUNSPECIFIED
Date:June 2012
Journal or Publication Title:Proceedings of IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:Yes
Publisher:IEEE
Status:Published
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
Organizer:IEEE
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
Location: Oberpfaffenhofen
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 15:03
Last Modified:08 May 2014 23:23

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