A Novel Wireless Passive SAW Temperature Sensor Structure Design and Simulation

Tian Li Li; Jiang Wang; Gang Xu; Li Cun Fang

doi:10.4028/www.scientific.net/AMM.590.604

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 590A Novel Wireless Passive SAW Temperature Sensor...

A Novel Wireless Passive SAW Temperature Sensor Structure Design and Simulation

Abstract:

It's not easy to achieve high-precision and wide range for the SAW temperature sensor. The multi-reflector reuse method is proposed in this paper based on the SAW delay-line theory. A pair of RF pulse query signals with difference query width are sent sequentially to the novel SAW sensor in a query period, the phase different of the RF pulse echo signal is analyzed based on the position factor. The novel method is used in the SAW sensor design, the SAW sensor can achieve the high accuracy and the well range at the same time.

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Periodical:

Applied Mechanics and Materials (Volume 590)

Pages:

604-608

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.590.604

Citation:

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Online since:

June 2014

Authors:

Tian Li Li, Jiang Wang, Gang Xu*, Li Cun Fang

Keywords:

Delay-Line, Multi-Reflector Reuse, SAW Sensor, Temperature

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* - Corresponding Author

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