Researching | Acoustic scattering properties of underwater corner reflector complexes

Chinese Journal of Ship Research, Volume. 18, Issue 5, 83(2023)

Acoustic scattering properties of underwater corner reflector complexes

Pengcheng CHAI¹, Changxiong CHEN¹, Yan LIU², Fulin ZHOU³, and Zilong PENG¹

Author Affiliations

¹School of Energy and Power, Jiangsu University of Science and Technology, Zhenjiang 212100, China

²Shanghai Research Institute of Material, Shanghai 200437, China

³Key Laboratory of Marine Intelligent Equipment and System of Ministry of Education, Shanghai Jiao Tong University, Shanghai 200240, China

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Fig. 4. The relationship among ， and ，与的关系示意图

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Table 1. Numerical results comparison of target strength by modified PEM and FEM

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Table 1. Numerical results comparison of target strength by modified PEM and FEM

俯仰入射角θ/（°）	计算方法	均值/dB	标准差/dB	总和/dB	最小值/dB	中位数/dB	最大值/dB	计算用时/s
0°	改进PEM	−5.48	2.76	−489.49	−10.19	−5.32	−0.32	547.32
0°	FEM	−5.23	2.23	−476.13	−9.87	−4.82	−2.10	9545.00
45°	改进PEM	−4.36	2.41	−397.11	−8.61	−4.19	0.42	632.71
45°	FEM	−4.20	1.99	−382.32	−7.67	−3.92	−1.32	10 059.00

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Pengcheng CHAI, Changxiong CHEN, Yan LIU, Fulin ZHOU, Zilong PENG. Acoustic scattering properties of underwater corner reflector complexes[J]. Chinese Journal of Ship Research, 2023, 18(5): 83

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Paper Information

Category: Ship Design and Performance

Received: Aug. 23, 2022

Accepted: --

Published Online: Mar. 21, 2025

The Author Email:

DOI:10.19693/j.issn.1673-3185.03056

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology