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Proceedings Paper

The distributed surface acoustic wave strain sensing system based on FPGA
Author(s): Dandan Zhu; Zhiquan Li; Yan Li; Yaping Li; Zhongchao Li
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Paper Abstract

The distributed surface acoustic wave (SAW) strain sensing system based on FPGA was presented in this paper. Equal strength beam SAW strain sensor was adopted. Through special device sealing, it not only protected the surface electrode but also did not influence the sensitivity of the sensor. Equal precision frequency meter based on FPGA realized the frequency measurement of measuring signal. Equal precision frequency meter had high measuring precision. It can keep constant measuring precision during the whole frequency domain. Measuring frequency ranged from 0.1 to 100MHz. Relative error was 1 ppm.

Paper Details

Date Published: 28 October 2006
PDF: 5 pages
Proc. SPIE 6358, Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation, 635802 (28 October 2006); doi: 10.1117/12.717480
Show Author Affiliations
Dandan Zhu, Yanshan Univ. (China)
Zhiquan Li, Yanshan Univ. (China)
Yan Li, Beijing Univ. of Aeronautics and Astronautics (China)
Yaping Li, Yanshan Univ. (China)
Zhongchao Li, Yanshan Univ. (China)


Published in SPIE Proceedings Vol. 6358:
Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation
Jiancheng Fang; Zhongyu Wang, Editor(s)

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