ICAR Research Data Repository for Knowledge Management
How biological (fish) noise affects the performance of shallow water passive array system
DRS at CSIR-National Institute of Oceanography
View Archive Info| Field | Value | |
| Title |
How biological (fish) noise affects the performance of shallow water passive array system
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| Creator |
Fernandes, W.A.
Chakraborty, B. Haris, K. Vijayakumar, K. Sundar, D. Luis, R.A.A. Mahanty, M.M. Latha, G. |
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| Subject |
OCEANOGRAPHY AND LIMNOLOGY
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| Description |
Passive acoustic data off Grand Island, Goa were acquired using a single wideband hydrophone system deployed at the water depth of ~20.5 m during the month of April, 2014. The 4- elements hydrophone array with an aperture of 1.5 m having design frequency equivalent to 1.5 kHz was also moored at 10 m below the water surface. The analyses carried out reveals fish chorus belonging to the family Terapontidae. Significant beampattern degradation was observed particularly in the presence of fish chorus using delay and sum beamforming. Spatially interpolated virtual hydrophone element enhancement provides improved beamforming even in the presence of fish choruses
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| Date |
2015-07-10T10:53:09Z
2015-07-10T10:53:09Z 2015 |
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| Type |
Conference Article
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| Identifier |
Proceedings of the International Symposium on Underwater Technology (UT-2015), 23-25 February 2015. ; National Institute of Ocean Technology, Chennai; India; 2015; UT15-122
http://drs.nio.org/drs/handle/2264/4730 |
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| Language |
en
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| Rights |
Copyright [2015]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository.
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| Publisher |
NIOT, Chennai
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