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Detection of Multipath Propagation Effects in SAR-Tomography with MIMO Modes

Rommel, Tobias and Krieger, Gerhard (2016) Detection of Multipath Propagation Effects in SAR-Tomography with MIMO Modes. VDE VERLAG GMBH. European Conference on Synthetic Aperture Radar (EUSAR), 2016-06-06 - 2016-06-09, Hamburg, Germany. ISBN 9783800742288 ISSN 21974403

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Abstract

This paper introduces a Multiple-Input Multiple-Output (MIMO) concept for Synthetic Aperture Radar (SAR) tomography. Basic idea is to localize multipath propagation effects with a combined transmit and receive Digital Beam Forming (DBF) technique. Major part of this paper is attended to the description of a MIMO-radar experiment, conducted for a final proof of concept. For this experiment, a ground-based MIMO-radar was placed on top of a building, while the antenna array was looking downwards to a dihedral scatterer placed on a meadow. In addition, the equivalent phase center of the target was covered with absorbing material to avoid direct reflections. By using an antenna beam configuration, where the transmit and the receive antenna beams are looking to the equivalent phase center of the dihedral scatterer, it was possible to suppress the target. In a repeated processing of the same acquired data set, where each of the antenna beams illuminates one of the two perpendicularly aligned surfaces of the dihedral scatterer, the target appeared in the range compressed data.

Item URL in elib:https://elib.dlr.de/103145/
Document Type:Conference or Workshop Item (Speech)
Title:Detection of Multipath Propagation Effects in SAR-Tomography with MIMO Modes
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Rommel, TobiasUNSPECIFIEDUNSPECIFIED
Krieger, GerhardUNSPECIFIEDUNSPECIFIED
Date:6 June 2016
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 182-186
Publisher:VDE VERLAG GMBH
ISSN:21974403
ISBN:9783800742288
Status:Published
Keywords:synthetic aperture radar, multiple-input multiple-output, tomography
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Hamburg, Germany
Event Type:international Conference
Event Dates:2016-06-06 - 2016-06-09
Organizer:VDE
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
Deposited By: Rommel, Tobias
Deposited On:19 Feb 2016 11:04
Last Modified:31 Jul 2019 20:00

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