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Measurement of bistatic sea surface scattering with a parametric acoustic source

Measurement of bistatic sea surface scattering with a parametric acoustic source
Measurement of bistatic sea surface scattering with a parametric acoustic source

This work presents the results from a series of bistatic sea surface scattering experiments conducted in shallow water using a parametric acoustic array as a source and a receiver comprising a horizontal linear array. The experiments measured scattering at three frequencies (4, 8, and 15 kHz) and at three incident grazing angles (13º, 20º, and 30º). The measurements were made over a 5 day period during which a variety of environmental conditions were encountered. This paper provides an outline of the experiments and presents some results for the forward scattering strength. The results show that the wave direction has a significant effect on the surface forward scattering. At each incident grazing angle, the fluctuations of scattering strength due to environmental conditions decreases as the frequency increases.

0001-4966
2474-2485
Yang, Zhiguo
2aaced91-a197-41ea-b39e-472a021e60bc
Liu, Baohua
d9852f6a-01cd-49de-b470-88e237fc7d42
Qi, Lehua
d6c3d1f8-2884-4d51-9da2-0dd69d48b6df
White, Paul
2dd2477b-5aa9-42e2-9d19-0806d994eaba
Li, Jianghui
1bb43f69-b148-4f64-bfbb-6c3ada9dd7af
Kan, Guangmin
73481f90-39bf-471c-a54e-125b906fea29
Yu, Shengqi
fdfde461-a752-4876-964b-537877c3da4a
Yang, Zhiguo
2aaced91-a197-41ea-b39e-472a021e60bc
Liu, Baohua
d9852f6a-01cd-49de-b470-88e237fc7d42
Qi, Lehua
d6c3d1f8-2884-4d51-9da2-0dd69d48b6df
White, Paul
2dd2477b-5aa9-42e2-9d19-0806d994eaba
Li, Jianghui
1bb43f69-b148-4f64-bfbb-6c3ada9dd7af
Kan, Guangmin
73481f90-39bf-471c-a54e-125b906fea29
Yu, Shengqi
fdfde461-a752-4876-964b-537877c3da4a

Yang, Zhiguo, Liu, Baohua, Qi, Lehua, White, Paul, Li, Jianghui, Kan, Guangmin and Yu, Shengqi (2022) Measurement of bistatic sea surface scattering with a parametric acoustic source. The Journal of The Acoustical Society of America, 151 (4), 2474-2485. (doi:10.1121/10.0010160).

Record type: Article

Abstract

This work presents the results from a series of bistatic sea surface scattering experiments conducted in shallow water using a parametric acoustic array as a source and a receiver comprising a horizontal linear array. The experiments measured scattering at three frequencies (4, 8, and 15 kHz) and at three incident grazing angles (13º, 20º, and 30º). The measurements were made over a 5 day period during which a variety of environmental conditions were encountered. This paper provides an outline of the experiments and presents some results for the forward scattering strength. The results show that the wave direction has a significant effect on the surface forward scattering. At each incident grazing angle, the fluctuations of scattering strength due to environmental conditions decreases as the frequency increases.

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Accepted/In Press date: 24 March 2022
Published date: 11 April 2022
Additional Information: Funding Information: The authors would like to thank Professor Eric I. Thorsos and Dajun Tang based at the Applied Physics Laboratory of University of Washington for providing advice on the experiments and analysis of the scattering data, and Professor Victor Humphrey based at the University of Southampton for his insight into the parametric array calibration. This research was supported by the National Natural Science Foundation of China (NSFC) (Grants Nos. 41527809, 41706066, and 41676055); the Opening Fund of Qingdao National Laboratory for Marine Science and Technology (Grant No. QNLM2016ORP0209); the Shandong Provincial Key Research and Development Program, China (Grant No. 2016GSF115033); and the Taishan Scholar Project Funding (Grant No. tspd20161007). Publisher Copyright: © 2022 Acoustical Society of America.

Identifiers

Local EPrints ID: 456850
URI: http://eprints.soton.ac.uk/id/eprint/456850
DOI: doi:10.1121/10.0010160
ISSN: 0001-4966
PURE UUID: 0530dfe1-dca2-4135-a301-373c66ecb28c
ORCID for Paul White: ORCID iD orcid.org/0000-0002-4787-8713

Catalogue record

Date deposited: 12 May 2022 16:57
Last modified: 12 Jul 2024 01:33

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Contributors

Author: Zhiguo Yang
Author: Baohua Liu
Author: Lehua Qi
Author: Paul White ORCID iD
Author: Jianghui Li
Author: Guangmin Kan
Author: Shengqi Yu

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