Impact of unequal distances among acoustic sensors on cross-correlation based fisheries stock assessment technique

Abstract Cross-correlation based fisheries stock assessment technique utilized array of multiple acoustic sensors which were equidistant pair. However, at practical implementation of this technique, equal distances among acoustic sensors is sometimes challenging due to different practical phenomenon...

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Autores principales:	Shaik Asif Hossain, Monir Hossen
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c834a5ed12904deb95a66a37a2aa0d04
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spelling	oai:doaj.org-article:c834a5ed12904deb95a66a37a2aa0d042021-12-02T18:51:14ZImpact of unequal distances among acoustic sensors on cross-correlation based fisheries stock assessment technique10.1038/s41598-020-73079-z2045-2322https://doaj.org/article/c834a5ed12904deb95a66a37a2aa0d042020-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-73079-zhttps://doaj.org/toc/2045-2322Abstract Cross-correlation based fisheries stock assessment technique utilized array of multiple acoustic sensors which were equidistant pair. However, at practical implementation of this technique, equal distances among acoustic sensors is sometimes challenging due to different practical phenomenon. Therefore, in this study, we work on this issue and investigated the impact of unequal distances among the acoustic sensors. We found that cross-correlation based technique proved its effectiveness even for the unequal spacing among acoustic sensors. We considered chirp generating species of fish and mammals, i.e., damselfish (Dascyllus aruanus), humpback whales (Megaptera novaeangliae), dugongs (Dugong dugong), etc., species, and three acoustic sensors array for simulation purposes. Some limitations including negligence of multipath interference, assuming the delays to be integer were compromised during simulations.Shaik Asif HossainMonir HossenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-10 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Shaik Asif Hossain Monir Hossen Impact of unequal distances among acoustic sensors on cross-correlation based fisheries stock assessment technique
description	Abstract Cross-correlation based fisheries stock assessment technique utilized array of multiple acoustic sensors which were equidistant pair. However, at practical implementation of this technique, equal distances among acoustic sensors is sometimes challenging due to different practical phenomenon. Therefore, in this study, we work on this issue and investigated the impact of unequal distances among the acoustic sensors. We found that cross-correlation based technique proved its effectiveness even for the unequal spacing among acoustic sensors. We considered chirp generating species of fish and mammals, i.e., damselfish (Dascyllus aruanus), humpback whales (Megaptera novaeangliae), dugongs (Dugong dugong), etc., species, and three acoustic sensors array for simulation purposes. Some limitations including negligence of multipath interference, assuming the delays to be integer were compromised during simulations.
format	article
author	Shaik Asif Hossain Monir Hossen
author_facet	Shaik Asif Hossain Monir Hossen
author_sort	Shaik Asif Hossain
title	Impact of unequal distances among acoustic sensors on cross-correlation based fisheries stock assessment technique
title_short	Impact of unequal distances among acoustic sensors on cross-correlation based fisheries stock assessment technique
title_full	Impact of unequal distances among acoustic sensors on cross-correlation based fisheries stock assessment technique
title_fullStr	Impact of unequal distances among acoustic sensors on cross-correlation based fisheries stock assessment technique
title_full_unstemmed	Impact of unequal distances among acoustic sensors on cross-correlation based fisheries stock assessment technique
title_sort	impact of unequal distances among acoustic sensors on cross-correlation based fisheries stock assessment technique
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/c834a5ed12904deb95a66a37a2aa0d04
work_keys_str_mv	AT shaikasifhossain impactofunequaldistancesamongacousticsensorsoncrosscorrelationbasedfisheriesstockassessmenttechnique AT monirhossen impactofunequaldistancesamongacousticsensorsoncrosscorrelationbasedfisheriesstockassessmenttechnique
_version_	1718377471292735488

Impact of unequal distances among acoustic sensors on cross-correlation based fisheries stock assessment technique

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