A simulation of temperature influence on echolocation click beams of the Indo-Pacific humpback dolphin (Sousa chinensis)

被引：7
|
作者：
Song, Zhongchang [1 ]
Zhang, Yu [1 ]
Wang, Xianyan [2 ]
Wei, Chong [3 ]
机构：
[1] Xiamen Univ, Coll Ocean & Earth Sci, Key Lab Underwater Acoust Commun & Marine Informa, Minist Educ, Xiamen 361005, Peoples R China
[2] State Ocean Adm, Inst Oceanog 3, Lab Marine Biol & Ecol, Xiamen 361005, Peoples R China
[3] Natl Univ Singapore, Trop Marine Sci Inst, Acoust Res Lab, 12 A Kent Ridge Rd, Singapore 119222, Singapore
来源：
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2017年 / 142卷 / 04期
基金：
美国国家科学基金会;
关键词：
WHALE ZIPHIUS-CAVIROSTRIS; SOUND-VELOCITY; SPERM-WHALE; TRANSMISSION; HEAD;
D O I：
10.1121/1.5006204
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A finite element method was used to investigate the temperature influence on sound beams of the Indo-Pacific humpback dolphin. The numerical models of a dolphin, which originated from previous computed tomography (CT) scanning and physical measurement results, were used to investigate sound beam patterns of the dolphin in temperatures from 21 degrees C to 39 degrees C, in increments of 2 degrees C. The -3dB beam widths across the temperatures ranged from 9.3 degrees to 12.6 degrees, and main beam angle ranged from 4.7 degrees to 7.2 degrees for these temperatures. The subsequent simulation suggested that the dolphin's sound beam patterns, side lobes in particular, were influenced by temperature. (C) 2017 Acoustical Society of America
引用
收藏
页码：EL381 / EL387
页数：7
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