Wireless interrogation of passive antenna sensors

@inproceedings{Deshmukh2010WirelessIO,
  title={Wireless interrogation of passive antenna sensors},
  author={Srikar Deshmukh and Hongliang Huang},
  year={2010}
}
Recently, we discovered that the resonant frequency of a microstrip patch antenna is sensitive to mechanical strains or crack presence in the ground plane. Based on this principle, antenna sensors have been demonstrated to measure strain and detect crack in metallic structures. This paper presents a wireless method to remotely interrogate a dual-frequency antenna sensor. An interrogation horn antenna was used to irradiate the antenna sensor with a linear chirp microwave signal. By implementing… CONTINUE READING

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