A new and effective type of air-medium ultrasonic sensor

Zhimin Ma; Xiaohong Zhao; Shao Zhang; Min Wang

doi:10.1117/12.521357

2 September 2003 A new and effective type of air-medium ultrasonic sensor

Zhimin Ma, Xiaohong Zhao, Shao Zhang, Min Wang

Proceedings Volume 5253, Fifth International Symposium on Instrumentation and Control Technology; (2003) https://doi.org/10.1117/12.521357
Event: Fifth International Symposium on Instrumentation and Control Technology, 2003, Beijing, China

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.

Citation Download Citation

Zhimin Ma, Xiaohong Zhao, Shao Zhang, and Min Wang "A new and effective type of air-medium ultrasonic sensor", Proc. SPIE 5253, Fifth International Symposium on Instrumentation and Control Technology, (2 September 2003); https://doi.org/10.1117/12.521357

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