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Investigations on the Nature of Persistent Scatterers Based on Simulation Methods

Auer, Stefan and Gernhardt, Stefan and Bamler, Richard (2011) Investigations on the Nature of Persistent Scatterers Based on Simulation Methods. In: Proceedings of JURSE 2011 - Joint Urban Remote Sensing Event, pp. 61-64. JURSE 2011, 11.-13. Apr. 2011, München, Deutschland. ISBN 978-1-4244-8658-8.

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Abstract

Using long-time coherent scatterers in SAR data, called Persistent Scatterers (PSs), the deformation signal of objects can be measured from space. However, the nature of the corresponding image signatures is not known in detail. Methods focused on the simulation of highly detailed object models help to understand the origin of PSs. In this paper, simulated SAR data are geometrically linked to PSs for one test site. Thereafter, single PSs are selected and identified in the simulated 3D model. The case study indicates that a high number of PSs lack of geometrical correspondence to building features. Moreover, it is shown that the often observed occurance of PSs located below ground level is not due to processing errors but is a systematic effect caused by fivefold reflection.

Document Type:Conference or Workshop Item (Speech)
Title:Investigations on the Nature of Persistent Scatterers Based on Simulation Methods
Authors:
AuthorsInstitution or Email of Authors
Auer, StefanStefan.Auer@bv.tum.de
Gernhardt, StefanStefan.Gernhardt@bv.tu-muenchen.de
Bamler, RichardRichard.Bamler@dlr.de
Date:2011
Journal or Publication Title:Proceedings of JURSE 2011 - Joint Urban Remote Sensing Event
Refereed publication:Yes
In ISI Web of Science:No
Page Range:pp. 61-64
ISBN:978-1-4244-8658-8
Status:Published
Keywords:SAR simulation, TerraSAR-X, persistent scatterer, scatterer analysis, reflection phenomena, raytracing
Event Title:JURSE 2011
Event Location:München, Deutschland
Event Type:international Conference
Event Dates:11.-13. Apr. 2011
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:other
DLR - Research area:Raumfahrt
DLR - Program:R - no assignement
DLR - Research theme (Project):R -- no assignement
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Stefan Gernhardt
Deposited On:23 Jan 2012 16:14
Last Modified:31 Mar 2014 10:27

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