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Acoustic Tonal and Vector Properties...

Matthews, Cameron Anthony.

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Acoustic Tonal and Vector Properties of Red Hind Grouper Vocalizations.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Acoustic Tonal and Vector Properties of Red Hind Grouper Vocalizations./
作者:	Matthews, Cameron Anthony.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2017,
面頁冊數:	163 p.
附註:	Source: Dissertation Abstracts International, Volume: 78-10(E), Section: B.
Contained By:	Dissertation Abstracts International78-10B(E).
標題:	Ocean engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10610489
ISBN:	9781369849219

Acoustic Tonal and Vector Properties of Red Hind Grouper Vocalizations.
Matthews, Cameron Anthony.

Acoustic Tonal and Vector Properties of Red Hind Grouper Vocalizations. - Ann Arbor : ProQuest Dissertations & Theses, 2017 - 163 p.

Source: Dissertation Abstracts International, Volume: 78-10(E), Section: B.

Thesis (Ph.D.)--Florida Atlantic University, 2017.

Vertebrates are the most prodigious vocalizing animals in existence, and the most diverse methods of acoustic communication among vertebrates can be found in the ocean. Relatively many teleost fish are gifted with the ability to communicate acoustically, and the family of serranidae often performs this as a function of the swim bladder. Epinephelus Guttatus (E. guttatus), or more commonly the red hind grouper, is equipped with a drum shaped swim bladder acting as a monopole under typical ocean conditions. This configuration allows for what is understood to be omnidirectional projection of tones approximately centered between 40 and 440 Hz and spanning anywhere from 40 to 200 Hz of bandwidth and modulation effects based on observed data provided by researchers. Prior studies on many other fish show correlation in acoustic communication profile with length, size and sexual identity. In the red hind, sexual dimorphism leads to an inherent female identity in all juvenile fish which converts to male according to environmental factors, recommending at least consistent organs across both sexes be assumed even if not in use. Much research has been performed on male fish vocalization in terms of spectral content. Communication in fish is a complex multi-modal process, with acoustic communication being important for many of the species, particularly those in the littoral regions of the worlds' oceans. If identifying characteristics of the red hind vocalization can be isolated based on detection, classification, tracking and localizing methodologies, then these identifying characteristics may indeed lead to passive feature identification that allows for estimation of individual fish mass. Hypotheses based on vector, cyclostationary and classical tonal mechanics are presented for consideration. A battery of test data collection events, applying pre-recorded fish vocalizations to a geolocated undersea sound source were conducted. The results are supplied with the intent of validating hypothesis in a non-expert system manner that shows how a series of biological metrics may be assessed for detection, classification, localization and mass estimation for an individual vocalizing red hind grouper.

ISBN: 9781369849219Subjects--Topical Terms:

660731
Ocean engineering.

Acoustic Tonal and Vector Properties of Red Hind Grouper Vocalizations.
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