Study on shaded transducer for acoustic scattering system

Wang Qing-chi

doi:10.1007/BF02842716

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Study on shaded transducer for acoustic scattering system

Updated：2023-05-16

- Study on shaded transducer for acoustic scattering system
- Journal of Oceanology and Limnology Vol. 17, Issue 2, Pages: 187-192(1999)
- Affiliations：
  
  Dept. of Oceanography Xiamen University
- Author bio：
- Funds：
- DOI：10.1007/BF02842716
  CLC：
- Published：1999
- Accepted：
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Qing-chi, W. Study on shaded transducer for acoustic scattering system., Chin. J. Ocean. Limnol. 17, 187–192 (1999). https://doi.org/10.1007/BF02842716
DOI：

Qing-chi, W. Study on shaded transducer for acoustic scattering system., Chin. J. Ocean. Limnol. 17, 187–192 (1999). https://doi.org/10.1007/BF02842716 DOI：

摘要

Abstract

This paper introduces a transducer for measuring suspended sand particles

and a shading principle to eliminate the blind point in the near field of sound source axis. By adopting the front matching layer and back liner

the transducer's frequency band becomes 2.1 times wider and the sensitivity 1.6 times higher. The transducer is characterized by simple structure and portability.

关键词

Keywords

references

Desiets, C., Fraser, J., Kino G., 1978. The design of efficient broad-band piezoelectric transducers.IEEE Transation of Sonics and Ultrasonics,25: 115.

Guan Dinghua, 1982. Acoustics and the Ocean. Occean Press, Beijing, 210 p.

He Zuoyong, Zhao Yufang, 1981. Basis of Acoustics Theory. National Defense Industry Press, Beijing, p. 236–240.

Libicki, C., Bedford, K. W., Lynch, J. E., 1989. The interpretation and evaluation of a 3MHz acoustic backscatter device of measuring benthic boundary layer sediment dynamics.J.A.S.A. 85(4): 1501–1511.

Sheng, J., Hay, A. E., 1988. An Examination of the Spherical Scatterer Approximation in Aqueous Suspensions of Sand.J.A.S.A. 83(2): 598–610.

Wilson, G. L., 1976. Computer optimization of directive pattern of transducer array.Translated collection of Underwater Acoustics and Electricity 4:56.

Xu Tianzeng, 1981. Digital cross-correlation accumulation and its application to a shallow water target telesounder.Journal of Xiamen University 20(2):258.

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