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题名: Acoustic Property Reconstruction of a Neonate Yangtze Finless Porpoise's (Neophocaena asiaeorientalis) Head Based on CT Imaging
作者: Wei, Chong1, 2; Wang, Zhitao3, 4; Song, Zhongchang5; Wang, Kexiong3; Wang, Ding3; Au, Whitlow W. L.2; Zhang, Yu1, 6
通讯作者: Wang, D (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China.
刊名: PLOS ONE
发表日期: 2015-04-09
DOI: 10.1371/journal.pone.0121442
卷: 10, 期:4, 页:e0121442
收录类别: SCI
文章类型: Article
部门归属: [Wei, Chong ; Zhang, Yu] Xiamen Univ, Minist Educ, Key Lab Underwater Acoust Commun & Marine Informa, Xiamen 361005, Fujian, Peoples R China ; [Wei, Chong ; Au, Whitlow W. L.] Univ Hawaii, Hawaii Inst Marine Biol, Kaneohe, HI 96744 USA ; [Wang, Zhitao ; Wang, Kexiong ; Wang, Ding] Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China ; [Wang, Zhitao] Univ Chinese Acad Sci, Beijing 100039, Peoples R China ; [Song, Zhongchang] Xiamen Univ, Coll Oceanog & Environm Sci, Xiamen 361005, Peoples R China ; [Zhang, Yu] Xiamen Univ, Coll Ocean & Sci, Xiamen 361005, Peoples R China
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: The reconstruction of the acoustic properties of a neonate finless porpoise's head was performed using X-ray computed tomography (CT). The head of the deceased neonate porpoise was also segmented across the body axis and cut into slices. The averaged sound velocity and density were measured, and the Hounsfield units (HU) of the corresponding slices were obtained from computed tomography scanning. A regression analysis was employed to show the linear relationships between the Hounsfield unit and both sound velocity and density of samples. Furthermore, the CT imaging data were used to compare the HU value, sound velocity, density and acoustic characteristic impedance of the main tissues in the porpoise's head. The results showed that the linear relationships between HU and both sound velocity and density were qualitatively consistent with previous studies on Indo-pacific humpback dolphins and Cuvier's beaked whales. However, there was no significant increase of the sound velocity and acoustic impedance from the inner core to the outer layer in this neonate finless porpoise's melon.
关键词[WOS]: WHALE ZIPHIUS-CAVIROSTRIS ; BAIJI LIPOTES-VEXILLIFER ; DELPHINUS-DELPHIS ; BEAM FORMATION ; SOUND ; PHOCAENOIDES
语种: 英语
WOS记录号: WOS:000352588500019
ISSN号: 1932-6203
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/23830
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Xiamen Univ, Minist Educ, Key Lab Underwater Acoust Commun & Marine Informa, Xiamen 361005, Fujian, Peoples R China
2.Univ Hawaii, Hawaii Inst Marine Biol, Kaneohe, HI 96744 USA
3.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
5.Xiamen Univ, Coll Oceanog & Environm Sci, Xiamen 361005, Peoples R China
6.Xiamen Univ, Coll Ocean & Sci, Xiamen 361005, Peoples R China
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文件名: Acoustic Property Reconstruction of a Neonate Yangtze Finless Porpoise's (Neophocaena asiaeorientalis) Head Based on CT Imaging.pdf
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