Robust Contactless Sensor for Real time Vital Signs Monitoring

Written By Kevin K. M. Chan
Robust Contactless Sensor for Real time Vital Signs Monitoring
  • Publsiher : Unknown
  • Release : 12 April 2021
  • ISBN :
  • Pages : 107 pages
  • Rating : /5 from reviews
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Download or read book entitled Robust Contactless Sensor for Real time Vital Signs Monitoring by author: Kevin K. M. Chan which was release on 12 April 2021 and published by Unknown with total page 107 pages . This book available in PDF, EPUB and Kindle Format. Wireless sensing find many biomedical applications due to the benefit and convenience of having no contact with the patients. Low power radio waves, that are biologically safe, can monitor the patient's medical conditions such as the breathing and heart beat rate. Electro-magnetic (EM) waves extract the small movements of the chest and heart via field disturbance phenomena. The patient's breathing and heart beat modulate the radio waves for the vital signs to be monitored in real-time. Ultra-wideband (UWB) radar is an EM scattering technology that has been proven to discriminate targets with less than 30mm range resolution, which is smaller than the average size of a human heart. The UWB radar emits 200ps pulses that occupy a bandwidth from 3 to 10GHz. For linearly polarized radiation, the radar cross-section (RCS) of a moving target having complex shapes such as the thorax section of a human body causes regular fading. The scattering from a complex target rotates the radio wave vector to result in non-optimal signal reception due to polarization losses. The research focuses on the design of a circularly polarized (CP) UWB radar system for contactless vital signs monitoring of a patient. Circular polarization is introduced to address the fading RCS problem thus achieving a more robust system. The same CP UWB radar system with radio waves that penetrate through dielectric objects can be used for time-critical rescue operations in locating survivors buried under collapsed structures or in buildings engulfed in flames where visibility is hampered. Furthermore, by employing material characterization and microwave imaging techniques, it is possible to use the proposed system for other biomedical applications such as tumor localization and damaged tissue identification. The thesis is organized as follows. Firstly, the operation of UWB radar is presented and the research topic addressed. The pulse generator design suited for low pulse repetition rates is then introduced. The design of a decade bandwidth circularly polarized antenna array is described. The methodology and performance of the robust vital signs monitoring system is shown and compared with the linear polarized counterpart. A new method for material characterization using time domain RCS measurements is demonstrated. The future work is finally proposed.

Robust Contactless Sensor for Real time Vital Signs Monitoring

Robust Contactless Sensor for Real time Vital Signs Monitoring
  • Author : Kevin K. M. Chan,University of Alberta. Department of Electrical and Computer Engineering
  • Publisher : Unknown
  • Release Date : 2014
  • Total pages : 107
  • ISBN :
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Summary : Wireless sensing find many biomedical applications due to the benefit and convenience of having no contact with the patients. Low power radio waves, that are biologically safe, can monitor the patient's medical conditions such as the breathing and heart beat rate. Electro-magnetic (EM) waves extract the small movements of the ...

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  • Publisher : Springer
  • Release Date : 2017-06-12
  • Total pages : 1139
  • ISBN :
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Summary : This volume presents the proceedings of the joint conference of the European Medical and Biological Engineering Conference (EMBEC) and the Nordic-Baltic Conference on Biomedical Engineering and Medical Physics (NBC), held in Tampere, Finland, in June 2017. The proceedings present all traditional biomedical engineering areas, but also highlight new emerging fields, such ...

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  • Publisher : Springer Nature
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  • ISBN :
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Summary : Read online Contactless Human Activity Analysis written by Md Atiqur Rahman Ahad, published by Springer Nature which was released on . Download full Contactless Human Activity Analysis Books now! Available in PDF, ePub and Kindle....

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  • Publisher : MDPI
  • Release Date : 2020-11-04
  • Total pages : 312
  • ISBN :
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Summary : This is a collection of recent advances on sensors, systems, and signal/image processing methods for biomedicine and assisted living. It includes methods for heart, sleep, and vital sign measurement; human motion-related signal analysis; assistive systems; and image- and video-based diagnostic systems. It provides an overview of the state-of-the-art challenges ...

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  • Publisher : Springer Science & Business Media
  • Release Date : 2013-11-18
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  • ISBN :
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Summary : This volume presents the processing of the 15th ICMBE held from 4th to 7th December 2013, Singapore. Biomedical engineering is applied in most aspects of our healthcare ecosystem. From electronic health records to diagnostic tools to therapeutic, rehabilitative and regenerative treatments, the work of biomedical engineers is evident. Biomedical engineers work ...

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  • ISBN :
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Summary : Innovation in healthcare is currently a “hot” topic. Innovation allows us to think differently, to take risks and to develop ideas that are far better than existing solutions. Currently, there is no single book that covers all topics related to microelectronics, sensors, data, system integration and healthcare technology assessment in ...

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  • Publisher : Unknown
  • Release Date : 2016
  • Total pages : 212
  • ISBN :
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Summary : As traditional electrodes are perturbing for patients in critical cases such as for burn victims or newborn infants, and even to detect life sign under rubble, a contactless monitoring system for the life signs is a necessity. The aim of this chapter is to present a complete process used in ...

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  • Publisher : Springer Science & Business Media
  • Release Date : 2013-10-16
  • Total pages : 261
  • ISBN :
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Summary : ​ This book investigates the design of devices, systems, and circuits for medical applications using the two recently established frequency bands: ultra-wideband (3.1-10.6 GHz) and 60 GHz ISM band. These two bands provide the largest bandwidths available for communication technologies and present many attractive opportunities for medical applications. The applications of these ...

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Summary : Read online Government Reports Annual Index written by , published by which was released on 1992. Download full Government Reports Annual Index Books now! Available in PDF, ePub and Kindle....

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Summary : Read online The Economist written by , published by which was released on 2011. Download full The Economist Books now! Available in PDF, ePub and Kindle....

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Summary : Read online Far Eastern Economic Review written by , published by which was released on . Download full Far Eastern Economic Review Books now! Available in PDF, ePub and Kindle....

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Summary : Read online U S News World Report written by , published by which was released on 2004. Download full U S News World Report Books now! Available in PDF, ePub and Kindle....

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