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Advanced Buried Object Detection by Multichannel, UAV/Drone Carried Synthetic Aperture Radar

Schreiber, Eric and Heinzel, Andreas and Peichl, Markus and Engel, Marius (2019) Advanced Buried Object Detection by Multichannel, UAV/Drone Carried Synthetic Aperture Radar. In: European Conference on Antennas and Propagation, EuCAP 2009, Proceedings. European Conference on Antennas and Propagation (EuCAP), 2019-03-31 - 2019-04-05, Krakau, Polen.

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The great innovations of Synthetic Aperture Radar (SAR) technology during the past years stimulated new applications in several areas. While in the past SAR was primarily operated for airborne and spaceborne applications, novel operations for quite low altitude like surveillance of cities, local agricultural applications, or even buried object detection, are of new interest. For such operations the well-known and established SAR system concepts should apply similarly, while the technology has to be transferred to the state of the art and new platforms like unmanned aerial vehicles (UAVs) or drones. The paper addresses the special concept for a SAR to detect buried mines. It combines a novel DLR approach based on multistatic observation with the capability to create nearly arbitrary azimuth sampling trajectories. By providing very high resolution it is possible to even identify man-made objects like landmines in the SAR image by their spatial radar-cross section (RCS) distribution. These capabilities allow advanced detection capabilities and satisfy the ultimate demand for buried object identification, both being great improvement in landmine detection and related activities. Beside this concept the paper addresses an idea on robust high-precision positioning, which is indispensable for a successful SAR system. It is based on a photogrammetric method providing the trajectory, the orientation of the UAV and the three-dimensional (3D) ground surface as a side effect as well. Measurement results are shown confirming the feasibility of the proposed approach.

Item URL in elib:https://elib.dlr.de/125998/
Document Type:Conference or Workshop Item (Speech)
Title:Advanced Buried Object Detection by Multichannel, UAV/Drone Carried Synthetic Aperture Radar
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Schreiber, Ericeric.schreiber (at) dlr.deUNSPECIFIED
Heinzel, AndreasAndreas.Heinzel (at) dlr.deUNSPECIFIED
Peichl, MarkusMarkus.Peichl (at) dlr.dehttps://orcid.org/0000-0003-0226-9786
Engel, MariusMarius.Engel (at) dlr.deUNSPECIFIED
Date:April 2019
Journal or Publication Title:European Conference on Antennas and Propagation, EuCAP 2009, Proceedings
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:synthetic aperture radar, SAR, UAV, drone, ground penetrating radar, landmine, detection, buried object, photogrammetry, 3D, GPS RTK, trajectory, positioning system
Event Title:European Conference on Antennas and Propagation (EuCAP)
Event Location:Krakau, Polen
Event Type:international Conference
Event Dates:2019-03-31 - 2019-04-05
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Security-relevant Earth Observation
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Reconnaissance and Security
Deposited By: Schreiber, Eric
Deposited On:17 Jan 2019 08:32
Last Modified:15 Jan 2020 09:56

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