Latest advances in through‐wall radar sensing for security applications

Latest advances in through‐wall radar sensing for security applications Purpose – The purpose of this paper is to examine existing radar sensor results, techniques for through‐wall radar and current applications for the technology. Design/methodology/approach – The paper provides information on sensing through a high‐attenuation obstacle and the associated pitfalls and considerations. Results from ultra‐wide‐band (UWB) impulse radar, micro‐Doppler radar, and synthetic aperture radar (SAR) targeted at this area are presented. Discussion of radar clutter classification is given and also observations on presenting a system with a non‐zero false alarm rate to a user to give best confidence and maximum decision capability. Findings – There are significant new requirements for through‐wall radar which a combination of UWB, continuous wave, and SAR techniques with recent signal processing advances and the advent of low‐cost radio and image processing can meet in distributed markets. Risk of a poor user level decision in a non‐zero‐false‐alarm‐rate system can be mitigated by increasing the number of inputs into the decision. Originality/value – The paper lists challenges that have been overcome in the area of through‐wall sensing and presents results from novel radar sensors. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Sensor Review Emerald Publishing

Latest advances in through‐wall radar sensing for security applications

Sensor Review, Volume 28 (3): 7 – Jun 27, 2008

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Publisher
Emerald Publishing
Copyright
Copyright © 2008 Emerald Group Publishing Limited. All rights reserved.
ISSN
0260-2288
DOI
10.1108/02602280810882553
Publisher site
See Article on Publisher Site

Abstract

Purpose – The purpose of this paper is to examine existing radar sensor results, techniques for through‐wall radar and current applications for the technology. Design/methodology/approach – The paper provides information on sensing through a high‐attenuation obstacle and the associated pitfalls and considerations. Results from ultra‐wide‐band (UWB) impulse radar, micro‐Doppler radar, and synthetic aperture radar (SAR) targeted at this area are presented. Discussion of radar clutter classification is given and also observations on presenting a system with a non‐zero false alarm rate to a user to give best confidence and maximum decision capability. Findings – There are significant new requirements for through‐wall radar which a combination of UWB, continuous wave, and SAR techniques with recent signal processing advances and the advent of low‐cost radio and image processing can meet in distributed markets. Risk of a poor user level decision in a non‐zero‐false‐alarm‐rate system can be mitigated by increasing the number of inputs into the decision. Originality/value – The paper lists challenges that have been overcome in the area of through‐wall sensing and presents results from novel radar sensors.

Journal

Sensor ReviewEmerald Publishing

Published: Jun 27, 2008

Keywords: Sensors; Radar; Signal processing; Electromagnetism

References

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