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Review of Underwater Sensing Technologies and Applications

by 1,2, 2,* and 2,3
Zhejiang University-Westlake University Joint Training, Zhejiang University, Hangzhou 310024, China
Key Laboratory of Coastal Environment and Resources of Zhejiang Province (KLCER), School of Engineering, Westlake University, Hangzhou 310024, China
Zhejiang Nektron Intelligent Technology Co., Ltd., Hangzhou 310024, China
Author to whom correspondence should be addressed.
Academic Editor: David Lyzenga
Sensors 2021, 21(23), 7849;
Received: 22 September 2021 / Revised: 8 November 2021 / Accepted: 15 November 2021 / Published: 25 November 2021
(This article belongs to the Section Optical Sensors)
As the ocean development process speeds up, the technical means of ocean exploration are being upgraded. Due to the characteristics of seawater and the complex underwater environment, conventional measurement and sensing methods used for land are difficult to apply in the underwater environment directly. Especially for the seabed topography, it is impossible to carry out long-distance and accurate detection via electromagnetic waves. Therefore, various types of acoustic and even optical sensing devices for underwater applications have come into use. Equipped by submersibles, those underwater sensors can sense underwater wide-range and accurately. Moreover, the development of sensor technology will be modified and optimized according to the needs of ocean exploitation. This paper has made a summary of the ocean sensing technologies applied in some critical underwater scenarios, including geological surveys, navigation and communication, marine environmental parameters, and underwater inspections. In order to contain as many submersible-based sensors as possible, we have to make a trade-off on breadth and depth. In the end, the authors predict the development trend of underwater sensor technology based on the future ocean exploration requirements. View Full-Text
Keywords: ocean sensing; underwater exploration; submersible; sensor technologies ocean sensing; underwater exploration; submersible; sensor technologies
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MDPI and ACS Style

Sun, K.; Cui, W.; Chen, C. Review of Underwater Sensing Technologies and Applications. Sensors 2021, 21, 7849.

AMA Style

Sun K, Cui W, Chen C. Review of Underwater Sensing Technologies and Applications. Sensors. 2021; 21(23):7849.

Chicago/Turabian Style

Sun, Kai, Weicheng Cui, and Chi Chen. 2021. "Review of Underwater Sensing Technologies and Applications" Sensors 21, no. 23: 7849.

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