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1D acoustic velocity-independent DOA estimation method with arbitrary arrays

Authors
Ning, Geng XinXie, LiangLi, Xiao PengZhang, Jun
Issue Date
Jun-2020
Publisher
Posts & Telecom Press Co., Ltd.
Keywords
Acoustic velocityindependent method; Arbitrary intersecting uniform linear array; Underwater DOA estimation
Citation
Journal of Communications and Information Networks, v.5, no.2, pp 121 - 129
Pages
9
Indexed
SCI
SCOPUS
Journal Title
Journal of Communications and Information Networks
Volume
5
Number
2
Start Page
121
End Page
129
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/115924
ISSN
2096-1081
2509-3312
Abstract
The performance of conventional direction of arrival (DOA) method is greatly affected by the uncertainty of wave velocity in underwater environment. To solve this problem, an acoustic velocity-independent method is proposed to estimate the underwater DOA using two arbitrary intersecting uniform linear arrays in this study. By introducing the additional array compared to the conventional DOA methods, the proposed algorithm can make its performance independent of the acoustic velocity through the geometric relationship between those two arrays. The simulation results demonstrate that the proposed method is more accurate and robust than other methods in an unknown sound velocity. © 2020, Posts and Telecom Press Co Ltd. All rights reserved.
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ERICA 공학대학 (SCHOOL OF ELECTRICAL ENGINEERING)
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