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Open AccessArticle

Review-Microwave Radar Sensing Systems for Search and Rescue Purposes

Department of Mechanical and Electrical Engineering, SFAT., Massey University, Manawatu Private Bag 11 222, Palmerston North 4442, New Zealand
Electronics Faculty, Hanoi University of Industry, Number 298, Cau Dien Street, Bac Tu Liem District, Ha Noi 100000, Vietnam
Electrical Engineering Department, College of Engineering and Engineering Technology, Northern Illinois University, DeKalb, IL 60115-2854, USA
School of Electronics and Telecommunications, Hanoi University of Science and Technology, Hanoi 100000, Vietnam
School of Engineering, MQ Centre for Smart Green Cities, Macquarie University, New South Wales, NSW 2109, Australia
Author to whom correspondence should be addressed.
Sensors 2019, 19(13), 2879;
Received: 4 June 2019 / Revised: 21 June 2019 / Accepted: 24 June 2019 / Published: 28 June 2019
(This article belongs to the Special Issue Radar and Radiometric Sensors and Sensing)
This paper presents a survey of recent developments using Doppler radar sensor in searching and locating an alive person under debris or behind a wall. Locating a human and detecting the vital signs such as breathing rate and heartbeat using a microwave sensor is a non-invasive technique. Recently, many hardware structures, signal processing approaches, and integrated systems have been introduced by researchers in this field. The purpose is to enhance the accuracy of vital signs’ detection and location detection and reduce energy consumption. This work concentrates on the representative research on sensing systems that can find alive people under rubble when an earthquake or other disasters occur. In this paper, various operating principles and system architectures for finding survivors using the microwave radar sensors are reviewed. A comparison between these systems is also discussed. View Full-Text
Keywords: vital signals; finding survivors; Doppler radar; heartbeat; breathing signal; detection probability vital signals; finding survivors; Doppler radar; heartbeat; breathing signal; detection probability
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Thi Phuoc Van, N.; Tang, L.; Demir, V.; Hasan, S.F.; Duc Minh, N.; Mukhopadhyay, S. Review-Microwave Radar Sensing Systems for Search and Rescue Purposes. Sensors 2019, 19, 2879.

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