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Sensors 2017, 17(1), 115; doi:10.3390/s17010115

Software Defined Doppler Radar as a Contactless Multipurpose Microwave Sensor for Vibrations Monitoring

Department of Computer Engineering, Modelling, Electronics, and Systems Science (DIMES), University of Calabria, 87036 Rende, Italy
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Author to whom correspondence should be addressed.
Academic Editors: Changzhi Li, Roberto Gómez-García and José-María Muñoz-Ferreras
Received: 1 August 2016 / Revised: 7 December 2016 / Accepted: 29 December 2016 / Published: 8 January 2017
(This article belongs to the Special Issue Non-Contact Sensing)
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Abstract

A vibration sensor based on the use of a Software-Defined Radio (SDR) platform is adopted in this work to provide a contactless and multipurpose solution for low-cost real-time vibrations monitoring. In order to test the vibration detection ability of the proposed non-contact method, a 1 GHz Doppler radar sensor is simulated and successfully assessed on targets at various distances, with various oscillation frequencies and amplitudes. Furthermore, an SDR Doppler platform is practically realized, and preliminary experimental validations on a device able to produce a harmonic motion are illustrated to prove the effectiveness of the proposed approach. View Full-Text
Keywords: Doppler radar; SDR; vibration monitoring Doppler radar; SDR; vibration monitoring
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Raffo, A.; Costanzo, S.; Di Massa, G. Software Defined Doppler Radar as a Contactless Multipurpose Microwave Sensor for Vibrations Monitoring. Sensors 2017, 17, 115.

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