MIMO RADAR ARRAY FOR TERMITE DETECTION AND IMAGING | Zendy

Nick W. D. Le Marshall | Zendy; Andrew Z. Tirkel | Zendy

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MIMO RADAR ARRAY FOR TERMITE DETECTION AND IMAGING

Author(s) -

Nick W. D. Le Marshall,

Andrew Z. Tirkel

Publication year - 2011

Publication title -

progress in electromagnetics research b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.208

H-Index - 47

ISSN - 1937-6472

DOI - 10.2528/pierb10102802

Subject(s) - mimo , computer science , narrowband , transmitter , beam steering , clutter , array processing , multipath propagation , radar , electronic engineering , telecommunications , signal processing , beamforming , engineering , antenna (radio) , channel (broadcasting)

In this paper, we describe the design of a hybrid 24GHz RADAR array for termite detection and imaging. The array uses MIMO techniques to provide transmit beam steering and null steering in conjunction with the Matrix Enhanced Matrix Pencil (MEMP), which provides direction of arrival processing. We describe the selection of our MIMO orthogonal codes and test their suitability. Simulated results are shown for our array design and MIMO processing in a range of applications MIMO enables us to produce ∞exible nulling and beam steering for our transmitter array as well as reducing multipath re∞ections and narrowband interference. MIMO processing also produces large time savings, enabling longer, more accurate acquisitions which can increase SNR. Transmitter beam- forming, produces an SNR improvement of 18.2dB and can be used to reject clutter by up to 20dB. Flexible nulling can reject interferers still further.

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