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In this paper, we propose the use of multiple passive microwave sensors to monitor several environmental parameters simultaneously. The system can be easily integrated into a chipless RFID system to obtain sensing and identification in a single, simple tag, which is also inexpensive, completely passive, suitable for harsh environments and easy to fabricate. We demonstrate the capability to detect humidity, NO2, ozone and ammonia. The main challenges, related to the selection of suitable sensing materials and the detection system, are also discussed, together with possible directions for future work.

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Multiparametric Microwave Sensor for Environmental Measurements

  • 会议论文

  • 发表日期：

    2025年

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  • V. Mulloni,
  • G. Marchi,
  • L. Lorenzelli,
  • A. Gaiardo,
  • M. Valt,
  • M. Donelli,
  • C. Duc,
  • S. Vassaux

摘要

In this paper, we propose the use of multiple passive microwave sensors to monitor several environmental parameters simultaneously. The system can be easily integrated into a chipless RFID system to obtain sensing and identification in a single, simple tag, which is also inexpensive, completely passive, suitable for harsh environments and easy to fabricate. We demonstrate the capability to detect humidity, NO2, ozone and ammonia. The main challenges, related to the selection of suitable sensing materials and the detection system, are also discussed, together with possible directions for future work.