UWB array-based sensor for near-field imaging

Yarovoy, A.; Savelyev, T.G.; Aubry, P.J.; Lys, EP; Ligthart, L.P.

UWB array-based sensor for near-field imaging

Journal article (2007)

Authors

A. Yarovoy Microwave Technology and Systems for Radar

T.G. Savelyev Microwave Technology and Systems for Radar

P.J. Aubry Microwave Technology and Systems for Radar

EP Lys International Research Centre for Telecommunication and Radar

L.P. Ligthart Microwave Technology and Systems for Radar

Research Group

Microwave Technology and Systems for Radar

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Published Date

2007

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Research Group

Microwave Technology and Systems for Radar

Abstract

In this paper, the devlopment of ultra-wideband (YWB) 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 3-D images of subsurface by 1-D mechanical scanning. Thee 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 drastic increase in the scanning speed.