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http://dx.doi.org/10.3796/KSFOT.2022.58.2.130

The first attempt of utilization of a wideband autonomous acoustic system and its general knowledge on analyzing the wideband acoustic data  

KANG, Myounghee (Department of Maritime Police and Production System/Institute of Marine Industry, Gyeongsang National University)
CHO, Youn-Hyoung (Training ship, Gyeongsang National University)
LA, Hyoung sul (Division of Ocean Sciences, Korea Polar Research Institute)
SON, Wuju (Department of Polar Science, University of Science and Technology)
YUN, Hyeju (Department of Marine Police and Production System, Graduate School, Gyeongsang National University)
ADRIANUS, Aldwin (Department of Marine Police and Production System, Graduate School, Gyeongsang National University)
AN, Young-Su (Institute of Marine Industry, Gyeongsang National University)
Publication Information
Journal of the Korean Society of Fisheries and Ocean Technology / v.58, no.2, 2022 , pp. 130-140 More about this Journal
Abstract
Recently, wideband acoustic technology has been introduced and started to be used in fisheries acoustic surveys in various waters worldwide. Wideband acoustic data provides high vertical resolution, high signal-to-noise ratio and continuous frequency characteristics over a wide frequency range for species identification. In this study, the main characteristics of wideband acoustic systems were elaborated, and a general methodology for wideband acoustic data analysis was presented using data collected in frequency modulation mode for the first time in Republic of Korea. In particular, this study described the data recording method using the mission planner of the wideband autonomous acoustic system, wideband acoustic data signal processing, calibration and the wideband frequency response graph. Since wideband acoustic systems are currently installed on many training and research vessels, it is expected that the results of this study can be used as basic knowledge for fisheries acoustic research using the state-of-the-art system.
Keywords
Wideband; Autonomous echosounder; Frequency modulation; Wideband frequency response;
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Times Cited By KSCI : 1  (Citation Analysis)
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