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Millimetre-wave Scanning Radar for the Detection and Remote Reading of Passive Electromagnetic Sensors

Abstract : This communication reports the latest developments in Frequency-Modulated Continuous-Wave (FMCW) radar interrogation technique for chipless and wireless sensors. For the first time a millimetre-wave scanning radar is used for detecting and reading passive and chipless electromagnetic sensors. Measurement results show that, with a 24 cm depth resolution and a 2 degrees angular resolution, it is possible to localize and distinguish two passive sensors separated by 5 cm at a distance of 3 meters from a FMCW radar operating at 30GHz. Sensing modes visualization derived from the millimetre-wave radar scanning of a scene makes possible the separation length measurement with an accuracy of 1cm. Index Terms—millimetre-wave scanning radar, passive and chipless electromagnetic sensors. Measurement results show that, with a 24 cm depth resolution and a 2 degrees angular resolution, it is possible to localize and distinguish two passive sensors separated by 5 cm at a distance of 3 meters from a FMCW radar operating at 30GHz. Sensing modes visualization derived from the millimetre-wave radar scanning of a scene makes possible the separation length measurement with an accuracy of 1cm.
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https://hal.laas.fr/hal-01838463
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Submitted on : Friday, July 13, 2018 - 1:47:42 PM
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  • HAL Id : hal-01838463, version 1

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Dominique Henry, Ayoub Rifai, Patrick Pons, Hervé Aubert. Millimetre-wave Scanning Radar for the Detection and Remote Reading of Passive Electromagnetic Sensors. European Conference on Antennas & Propagation (EuCAP 2015), Apr 2015, Lisbon, Portugal. 5p. ⟨hal-01838463⟩

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