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Communication Dans Un Congrès Année : 2022

Vibration Sensing using Doppler-modulated Chipless RFID Tags

Résumé

The paper describes how chipless tags attached to non-metal vibrating objects can be utilized to sense the frequency and amplitude of mm-vibration without any calibration process, and to identify the tag from large distances in low microwave frequency band. It is demonstrated that micro-Doppler harmonics induced by vibrating high-resonant scatterers are more detectable than those induced by the vibrating object itself while the scatterers provide great area efficiency. Presented methods for vibration sensing and identification are experimentally validated for sub-millimeter vibrations at distances up to 8 meters.
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Dates et versions

hal-04037017 , version 1 (20-03-2023)

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Ashkan Azarfar, Nicolas Barbot, Etienne Perret. Vibration Sensing using Doppler-modulated Chipless RFID Tags. 2022 IEEE/MTT-S International Microwave Symposium - IMS 2022, Jun 2022, Denver, United States. pp.129-132, ⟨10.1109/IMS37962.2022.9865407⟩. ⟨hal-04037017⟩

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