Guided wave beam steering from omni-directional transducer arrays

被引：0
|
作者：
Wilcox, P [1 ]
机构：
[1] Univ Bristol, Dept Mech Engn, Bristol BS8 1TR, Avon, England
来源：
REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 22A AND 22B | 2003年 / 20卷
关键词：
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The paper describes beam steering algorithms for processing data from omni-directional guided wave transducer arrays for the rapid inspection of plate structures. A basic phased addition algorithm is presented that can be applied to any array geometry, but which only produces acceptable results for arrays with a large number of elements. An improved algorithm that includes deconvolution in the angular domain is presented that enables good results to be obtained from arrays with far fewer elements. Both algorithms are applied to experimental data and the results compared.
引用
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页码：761 / 768
页数：8
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