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Proceedings Paper

A new and effective type of air-medium ultrasonic sensor
Author(s): Zhimin Ma; Xiaohong Zhao; Shao Zhang; Min Wang
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Paper Abstract

The vibration modes of air-medium ultrasonic sensor with a multi-vibration disc and the counteraction effect of the two phase-reversal regions of the disc are analyzed in this paper. A new air-medium type of ultrasonic sensor, with a resonant air gap of λ/2, is proposed. The operation theory and the experimental results of the sensor are also presented.

Paper Details

Date Published: 2 September 2003
PDF: 4 pages
Proc. SPIE 5253, Fifth International Symposium on Instrumentation and Control Technology, (2 September 2003); doi: 10.1117/12.521357
Show Author Affiliations
Zhimin Ma, Wuhan Univ. (China)
Xiaohong Zhao, Wuhan Univ. (China)
Shao Zhang, Wuhan Univ. (China)
Min Wang, Wuhan Univ. (China)


Published in SPIE Proceedings Vol. 5253:
Fifth International Symposium on Instrumentation and Control Technology

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