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Wireless Passive Sensors Interrogation Technique Based on a Three-Dimensional Analysis

Dominique Henry 1 Hervé Aubert 1 Patrick Pons 1
1 LAAS-MINC - Équipe MIcro et Nanosystèmes pour les Communications sans fil
LAAS - Laboratoire d'analyse et d'architecture des systèmes
Abstract : This paper describes a novel wireless passive sensors interrogation technique based on a three-dimensional analysis. Variable impedances acting as passive sensors are remotely read by a 24 GHz bistatic FMCW radar at distances of 2.0 meters and 5.5 meters. The radar performs a mechanical beam scanning to receive the electromagnetic echo level response in a volume. Several estimators are compared to calibrate and quantify the passive sensor input impedance. From this impedance the physical quantity of interest (temperature, pressure, strain …) can be derived.
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https://hal.archives-ouvertes.fr/hal-01396848
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Submitted on : Tuesday, November 15, 2016 - 9:44:01 AM
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  • HAL Id : hal-01396848, version 1

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Dominique Henry, Hervé Aubert, Patrick Pons. Wireless Passive Sensors Interrogation Technique Based on a Three-Dimensional Analysis. European Microwave Week (EuMW), Oct 2016, London, United Kingdom. ⟨hal-01396848⟩

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