Millimetre-Wave Scanning Radar For The Detection And Remote Reading Of Passive Electromagnetic Sensors
2015 9th European Conference on Antennas and Propagation (EuCAP)(2015)
摘要
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.
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关键词
millimetre-wave scanning radar,passive and chipless electromagnetic sensors
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