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Proceedings Paper

Directivity calculation for acoustic transducer arrays with considering mutual radiation impedance
Author(s): Daojiang Li; Hang Chen
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Paper Abstract

A modified method is proposed for acoustic array directivity calculation. In this method, a series of solution for mutual radiation impedance between array elements has been obtained, the radiation sound field of the array is modified considering mutual radiation impedance, and a new formulation for array directivity calculation is derived from that modification. Simulation examples show that there are notable differences between cases of considering and ignoring the mutual radiation impedance in array directivity calculation. The consideration of mutual impedance effects is necessary in acoustic array directivity calculation.

Paper Details

Date Published: 14 March 2013
PDF: 7 pages
Proc. SPIE 8768, International Conference on Graphic and Image Processing (ICGIP 2012), 876864 (14 March 2013); doi: 10.1117/12.2012832
Show Author Affiliations
Daojiang Li, NWPU (China)
Hang Chen, NWPU (China)

Published in SPIE Proceedings Vol. 8768:
International Conference on Graphic and Image Processing (ICGIP 2012)
Zeng Zhu, Editor(s)

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