文献类型： 外文期刊
作者： He, Ruilin 1 ; Dai, Yang 1 ; Liu, Siyi 5 ; Yang, Yuhao 1 ; Wang, Yingdong 5 ; Fan, Wei 1 ; Zhang, Shengmao 1 ;
作者机构： 1.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Fisheries Remote Sensing, Shanghai 200090, Peoples R China
3.Dalian Univ Ocean, Sch Nav & Naval Architecture, Dalian 116023, Peoples R China
4.Laoshan Lab, Qingdao 266237, Peoples R China
5.BeiDou Applicat & Res Inst Co Ltd, Norinco Grp, Shanghai 200438, Peoples R China
关键词： wavelet transform; short-time Fourier transform; hydrophone; Cetacean; acoustic signal; signal detection; click; whistle; burst pulse
期刊名称：APPLIED SCIENCES-BASEL （ 影响因子：2.7； 五年影响因子：2.9 ）
ISSN：
年卷期： 2023 年 13 卷 7 期
页码：
收录情况： SCI
摘要： Cetaceans are an important part of the ocean ecosystem and are widely distributed in seas across the world. Cetaceans are heavily reliant on acoustic signals for communication. Some Odontoceti can perceive their environments using their sonar system, including the detection, localization, discrimination, and recognition of objects. Acoustic signals are one of the most commonly used types of data for Cetacean research, and it is necessary to develop Cetacean acoustic signal detection methods. This study compared the performance of a manual method, short-time Fourier transform (STFT), and wavelet transform (WT) in Cetacean acoustic signal detection. The results showed that WT performs better in click detection. According to this research, we propose using STFT for whistle and burst-pulse marking and WT for click marking in dataset building. This research will be helpful in facilitating research on the habits and behaviors of groups and individuals, thus providing information to develop methods for protecting species and developing biological resources.
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