Results 201 to 210 of about 2,160 (243)

Severe Hearing Loss in the World's First Successfully Captive‐Born Yangtze Finless Porpoise: Impact of High Underwater Sound Exposure and Congenital Hearing Disorders

open access: yesIntegrative Zoology, Volume 21, Issue 2, Page 331-342, March 2026.
The audiogram of the world's first successfully captive‐born Yangtze finless porpoise was on average 40 dB higher than conspecifics. Congenital hearing disorders and noise exposure may be the primary cause of porpoise's hearing loss. ABSTRACT Aquariums globally have seen significant growth in recent decades.
Zhitao Wang   +3 more
wiley   +1 more source

Echinoderm stereom gradient structures enable mechanoelectrical perception. [PDF]

open access: yesNature
Chen A   +10 more
europepmc   +1 more source

Underwater acoustic beam dynamics

The Journal of the Acoustical Society of America, 2009
Ray- and mode-based theoretical predictions of the spreads of directionally narrow beams are presented and compared to parabolic-equation-based simulations in deep-ocean environments. Both the spatial and temporal spreads of beams are considered. The environments considered consist of a range-independent deep-ocean background sound channel on which a ...
Francisco J, Beron-Vera   +1 more
openaire   +2 more sources

Directional acoustic underwater thruster

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2011
This study describes a tested prototype for a controllable directional underwater thruster with no moving parts. During operation, a high-intensity acoustic wave creates directional water jets and the device moves itself in the opposite direction. When the underwater thruster moves along a non-vertical angle, it can produce straight backward thrust of ...
Wang, Ziyu   +7 more
openaire   +3 more sources

Underwater Acoustic Channels Characterization for Underwater Cognitive Acoustic Networks

2018 International Conference on Intelligent Transportation, Big Data & Smart City (ICITBS), 2018
This paper focuses on characterizing underwater acoustic (UWA) channels in the view of underwater cognitive acoustic networks. In the most recent years, underwater cognitive acoustic networks have attracted much attention in pace with that “digital ocean” is developing to “smart ocean”.
Anyi Wang, Baiping Li, Yuzhi Zhang
openaire   +1 more source

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