Ambient noise near the sea-route |
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| Authors: | Li He ZhengLin Li and ZhaoHui Peng |
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| Institution: | (1) National Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, Beijing, 100190, China;(2) Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, 100029, China;(3) NanHai Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, Haikou, 570206, China |
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| Abstract: | Ambient noise data measured in an experiment conducted in shallow water near a sea-route were analyzed. It was observed that,
at low frequency, the horizontal correlation has an obvious difference from that predicted by the classical ambient noise
model. The theoretical analyses show that this phenomenon is caused by wind noise together with the discrete shipping noise
nearby. An ambient noise model was proposed to include the effects caused by both the noise sources. Data measured at different
times verify that the proposed model can be used to forecast the ambient noise field in shallow water near the sea-route.
Supported by the National Natural Science Foundation of China (Grant No. 10734100), the Knowledge Innovation Program of the
Chinese Academy of Sciences (Grant No. KZCX1-YW-12-2), the National Basic Research Program of China (Grant No. 2007CB209603),
and the Open Foundation of China National Petroleum Corporation Key Laboratory (Grant No. GPKL0804) |
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| Keywords: | ambient noise model horizontal correlation discrete ships |
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