Portable and Easily-Deployable Air-Launched GPR Scanner

Portable and Easily-Deployable Air-Launched GPR Scanner

In recent years, Unmanned Aerial Vehicles (UAV)-based Ground Penetrating Radar (GPR) systems have been developed due to their advantages for safe and fast detection of Improvised Explosive Devices (IEDs) and landmines. The complexity of these systems requires performing extensive measurement campaig...

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Bibliographic Details
Published in:Remote sensing (Basel, Switzerland) Vol. 12; no. 11; p. 1833
Main Authors: García-Fernández, María, Álvarez López, Yuri, De Mitri, Alessandro, Castrillo Martínez, David, Álvarez-Narciandi, Guillermo, Las-Heras Andrés, Fernando
Format: Journal Article
Language:English
Published: Basel MDPI AG 01-06-2020
Subjects:
Air launching
Airborne sensing
Autonomy
Data processing
Explosive devices
Explosives
Explosives detection
Ground penetrating radar
imaging
Land mines
landmine
Landmines
Mine detection
Mobile communications networks
Portability
Remote sensing
Sandy soils
Scanners
Sensors
Software
synthetic aperture radar
Unmanned aerial vehicles
Weather
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Summary:In recent years, Unmanned Aerial Vehicles (UAV)-based Ground Penetrating Radar (GPR) systems have been developed due to their advantages for safe and fast detection of Improvised Explosive Devices (IEDs) and landmines. The complexity of these systems requires performing extensive measurement campaigns in order to test their performance and detection capabilities. However, UAV flights are limited by weather conditions and battery autonomy. To overcome these problems, this contribution presents a portable and easily-deployable measurement setup which can be used as a testbed for the assessment of the capabilities of the airborne system. In particular, the proposed portable measurement setup replicates fairly well the conditions faced by the airborne system, which can hardly be reproduced in indoor GPR measurement facilities. Three validation examples are presented: the first two analyze the capability of the measurement setup to conduct experiments in different scenarios (loamy and sandy soils). The third example focuses on the problem of antenna phase center displacement with frequency and its impact on GPR imaging, proposing a simple technique to correct it.
ISSN:2072-4292
2072-4292
DOI:10.3390/rs12111833