UWB Array-Based Sensor for Near-Field Imaging

In this paper, the development of an ultra-wideband (UWB) array-based time-domain radar sensor for near-field imaging is described. The radar sensor is designed to be used within a vehicle-mounted multisensor system for humanitarian demining. The main novelty of the radar lies in the system design w...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2007-06, Vol.55 (6), p.1288-1295
Main Authors: Yarovoy, A.G., Savelyev, T.G., Aubry, P.J., Lys, P.E., Ligthart, L.P.
Format: Article
Language:English
Subjects:
Antennas
Applied sciences
Electronics
Equipments and installations
Exact sciences and technology
Footprints
Ground penetrating radar (GPR)
Image sensors
Imaging
landmine detection
Mechanical sensors
Mobile radiocommunication systems
near-field imaging
Radar
Radar antennas
Radar imaging
Radiocommunications
Radiolocalization and radionavigation
Scanning
Sensor arrays
Sensor phenomena and characterization
Sensor systems
Sensors
Steering
Telecommunications
Telecommunications and information theory
Time domain analysis
Transmitters. Receivers
Ultra wideband radar
Ultra wideband technology
ultra-wideband (UWB) antenna array
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Summary:In this paper, the development of an ultra-wideband (UWB) array-based time-domain radar sensor for near-field imaging is described. The radar sensor is designed to be used within a vehicle-mounted multisensor system for humanitarian demining. The main novelty of the radar lies in the system design with a single transmitter and multichannel receiver. Design of the UWB antenna array is also novel. The radar produces 3D images of subsurface by 1D mechanical scanning. The imaging capability of the radar is realized via electronic steering of the receive antenna footprint in a cross-scan direction and synthetic aperture processing in an along-scan direction. Imaging via footprint steering allows for a drastic increase in the scanning speed.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2007.896791