DO SNAPPING SHRIMP CHORUS IN TIME OR CLUSTER IN SPACE? TEMPORAL-SPATIAL STUDIES OF HIGH-FREQUENCY AMBIENT NOISE IN SINGAPORE WATERS

机译：是否在时间上捕捉虾仁合唱团或在空间中聚集？新加坡高频环境噪声的时空研究

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Snapping shrimp dominate ambient noise over 2―300 kHz in warm shallow water. To investigate spatial & temporal behaviour, a stochastic tomographic inversion experiment & signal-processing algorithm have been designed. The experiment uses a set of directional hydrophones with parabolic acoustic mirrors steered in azimuth and elevation by onboard microprocessor systems with pitch and heading sensors. The hydrophones girdle an area of ～2000 m~2 of seabed in approximately 12m of water depth. Acoustic signals are acquired over 20-80 kHz. An initial deployment was conducted in March 2000. Raw time series clearly show snapping shrimp at all ranges. Horizontal anisotropy is of the order +-3 dB.

机译：在温暖的浅水中，对虾在2至300 kHz的环境噪声中占主导地位。为了研究时空行为，设计了一种随机层析反演实验和信号处理算法。该实验使用了一组定向水听器，并通过带有俯仰和航向传感器的车载微处理器系统控制了抛物面声镜的方位角和仰角。水听器在大约12m的水深中束缚着约2000 m〜2的海床面积。在20-80 kHz范围内采集声音信号。最初的部署是在2000年3月进行的。原始时间序列清楚地显示了所有范围内的鳄梨。水平各向异性约为+ -3 dB。

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来源
《Fifth European Conference on Underwater Acoustics (ECUA 2000) Vol.1 Jul 10-13, 2000 Villeurbanne》|2000年|p.497-502|共6页
会议地点 Villeurbanne(FR);Villeurbanne(FR)
作者
J.R. Potter; T. Beng Koay;
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作者单位

Acoustic Research Laboratory, Tropical Marine Science Institute, NUS, 10 Kent Ridge Crescent, Singapore 119260;

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原文格式 PDF
正文语种 eng
中图分类海洋学;
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1. Seawater Temperature and Wind Speed Dependences and Diurnal Variation of Ambient Noise at the Snapping Shrimp Colony in Shallow Water of Southern Sea of Korea [J] . Seom-Kyu Jung, Bok Kyoung Choi, Bong-Chae Kim, Japanese journal of applied physics . 2012,第7Issue2期

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2. Optimal and Near-Optimal Signal Detection in Snapping Shrimp Dominated Ambient Noise [J] . Chitre M.A., Potter J.R., Ong S.-H. IEEE Journal of Oceanic Engineering . 2006,第期

机译：捕捉虾为主的环境噪声中的最佳和接近最佳的信号检测
3. Snapping shrimp noise detection and mitigation for underwater acoustic orthogonal frequency division multiple communication using multilayer frequency [J] . Jongmin Ahn, Hojun Lee, Yongcheol Kim, International Journal of Naval Architecture and Ocean Engineering . 2020,第1期

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4. DO SNAPPING SHRIMP CHORUS IN TIME OR CLUSTER IN SPACE? TEMPORAL-SPATIAL STUDIES OF HIGH-FREQUENCY AMBIENT NOISE IN SINGAPORE WATERS [C] . J.R. Potter, T. Beng Koay, European Commission, European conference on underwater acoustics . 2000

机译：在空间中捕获虾合唱团或群集吗？新加坡水域高频环境噪声的时间空间研究
5. Studies of ambient noise in shallow water environments off Mexico and Alaska: characteristics, metrics and time-synchronization applications [D] . Guerra, Melania. 2013

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6. Year-round variability of ambient noise in temperate freshwater habitats and its implications for fishes [O] . Sonja Amoser, Friedrich Ladich -1

机译：温带淡水栖息地环境噪声的全年变异及其对鱼类的影响
7. Optimal and nearoptimal signal detection in snapping shrimp dominated ambient noise [O] . Ar A. Chitre, John R. Potter, Senior Member, 2006

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8. Study of Sea Ice Kinematics and Their Relationship to Arctic Ambient Noise. Part 3. Section 1. Ambient Noise. Section 2. Ambient Noise [R] . Lewis, J. K., Denner, W. W. 1986

机译：海冰运动学研究及其与北极环境噪声的关系。第3部分。环境噪声。第2节。环境噪声

DO SNAPPING SHRIMP CHORUS IN TIME OR CLUSTER IN SPACE? TEMPORAL-SPATIAL STUDIES OF HIGH-FREQUENCY AMBIENT NOISE IN SINGAPORE WATERS

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