Acoustic beam control in biomimetic projector via velocity gradient
Gao, Xiaowei1; Zhang, Yu1,2; Cao, Wenwu3,4; Dong, Erqian1; Song, Zhongchang1; Li, Songhai5; Tang, Liguo1,2; Zhang, Sai1,6; Yu Zhang
2016-07-04
发表期刊APPLIED PHYSICS LETTERS
卷号109期号:1
摘要

A biomimetic projector (BioP) based on computerized tomography of pygmy sperm whale's biosonar system has been designed using gradient-index (GRIN) material. The directivity of this BioP device was investigated as function of frequency and the velocity gradient of the GRIN material. A strong beam control over a broad bandwidth at the subwavelength scale has been achieved. Compared with a bare subwavelength source, the main lobe pressure of the BioP is about five times as high and the angular resolution is one order of magnitude better. Our results indicate that this BioP has excellent application potential in miniaturized underwater sonars. Published by AIP Publishing.

文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1063/1.4955179
收录类别SCI
语种英语
关键词[WOS]ECHOLOCATION ; TRANSMISSION ; SIMULATION ; DOLPHINS
WOS类目Physics, Applied
WOS记录号WOS:000379587000039
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.idsse.ac.cn/handle/183446/1595
专题深海科学研究部_深海生物学研究室_海洋哺乳动物与海洋生物声学研究组
通讯作者Yu Zhang
作者单位1.Xiamen Univ, Minist Educ, Key Lab Underwater Acoust Commun & Marine Informa, Xiamen 361005, Peoples R China
2.Xiamen Univ, State Key Lab Marine Environm Sci, Xiamen 361005, Peoples R China
3.Penn State Univ, Dept Math, University Pk, PA 16802 USA
4.Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA
5.Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Sanya Key Lab Marin Mammal & Marine Bioacoust, Sanya 57200, Peoples R China
6.Jiangsu Univ, Fac Sci, Zhenjiang 212013, Peoples R China
推荐引用方式
GB/T 7714
Gao, Xiaowei,Zhang, Yu,Cao, Wenwu,et al. Acoustic beam control in biomimetic projector via velocity gradient[J]. APPLIED PHYSICS LETTERS,2016,109(1).
APA Gao, Xiaowei.,Zhang, Yu.,Cao, Wenwu.,Dong, Erqian.,Song, Zhongchang.,...&Yu Zhang.(2016).Acoustic beam control in biomimetic projector via velocity gradient.APPLIED PHYSICS LETTERS,109(1).
MLA Gao, Xiaowei,et al."Acoustic beam control in biomimetic projector via velocity gradient".APPLIED PHYSICS LETTERS 109.1(2016).
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