Local ultrasound array focusing method based on multiarray synthetic aperture

被引：0
|
作者：
Chen J. [1 ]
Yu F. [1 ]
Lin L. [1 ]
Sun M.-H. [2 ]
机构：
[1] College of Communication Engineering, Jilin University, Changchun
[2] College of Computer Science and Technology, Jilin University, Changchun
来源：
Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition) | 2022年 / 52卷 / 10期
关键词：
aerial tactile; communication and information system; ultrasound tactile; ultrasound transducer array;
D O I：
10.13229/j.cnki.jdxbgxb20210263
中图分类号：
学科分类号：
摘要：
Increasing the size of transducer array can improve the accuracy of focusing, but it also brings the increase of power consumption and focusing noise. To solve this problem, a local ultrasound array focusing method based on multi array synthetic aperture was proposed. The number of focused transducer was determined by proposed method according to the radiation angle of transducer, and power consumption and noise were reduced by reducing the number of transducer working at the same time. The focusing accuracy and power consumption of local array focusing method and full array focusing method are tested. The results show that, compared with the full array focusing method, the focusing accuracy of the proposed method is slightly improved, the focusing intensity is reduced by 5%, but the power consumption is reduced by 31%. © 2022 Editorial Board of Jilin University. All rights reserved.
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页码：2447 / 2455
页数：8
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