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A compressed sensing approach for detection of explosive threats at standoff distances using a Passive Array of Scatters

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5 Author(s)
Martinez-Lorenzo, J.A. ; Dept. of Homeland Security, Northeastern Univ. Boston (MA), Boston, MA, USA ; Rodriguez-Vaqueiro, Y. ; Rappaport, C.M. ; Lopez, O.R.
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This work presents a new radar system concept, working at millimeter wave frequencies, capable of detecting explosive related threats at standoff distances. The system consists of a two dimensional aperture of randomly distributed transmitting/receiving antenna elements, and a Passive Array of Scatters (PAS) positioned in the vicinity of the target. In addition, a novel norm one minimization imaging algorithm has been implemented that is capable of producing super-resolution images. This paper also includes a numerical example in which 7.5 mm resolution is achieved at the standoff range of 40 m for a working frequency of 60 GHz.

Published in:

Homeland Security (HST), 2012 IEEE Conference on Technologies for

Date of Conference:

13-15 Nov. 2012