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Simultaneous identification of multiple signals from phase modulation-coded transmitters for acoustic biotelemetry of fish school

机译:同时识别用于鱼群声学生物遥测的相位调制编码发射机的多个信号

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摘要

Multiple signals must be identified from different fish simultaneously to observe group behavior using acoustic biotelemetry. We demonstrated simultaneous identification of multiple signals using a new phase modulation-coded telemetry system. We deployed eight transmitters with a 1.28-s signal transmitting interval at the same location, and two receivers that were 18.5 m and 38.0 m away from the transmitters. The detection rates of the two receivers during 15 min of recording were 77.0% and 73.0%. These results show that multiple signals from several transmitters were detected simultaneously by the receivers and were discriminated at high resolution (<2 s). This new telemetry system will be useful in studies on fish schooling behavior, aggregation, and predator-prey interactions.
机译:必须同时从不同的鱼类中识别出多个信号,才能使用声学生物遥测法观察群体行为。我们演示了使用新的相位调制编码遥测系统同时识别多个信号。我们在同一位置部署了八个发送器,每个发送器的信号发送间隔为1.28-s,两个接收器分别距离发送器18.5 m和38.0 m。在记录的15分钟内,两个接收器的检测率分别为77.0%和73.0%。这些结果表明,来自多个发射器的多个信号被接收器同时检测到,并以高分辨率(<2 s)被识别。这种新的遥测系统将对鱼类的放养行为,聚集和捕食者与猎物之间的相互作用进行研究。

著录项

  • 来源
    《海洋理工学会誌》 |2016年第2期|5-9|共5页
  • 作者单位

    Graduate School of Informatics, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan;

    Field Science Education and Research Center, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan,CREST, Japan Science and Technology Agency, Gobancho, Chiyoda-ku, Tokyo 102-0076, Japan;

    Field Science Education and Research Center, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan,CREST, Japan Science and Technology Agency, Gobancho, Chiyoda-ku, Tokyo 102-0076, Japan;

    CREST, Japan Science and Technology Agency, Gobancho, Chiyoda-ku, Tokyo 102-0076, Japan,Tokyo University of Marine Science and Technology, Konan, Minato-ku, Tokyo 108-0075, Japan;

    CREST, Japan Science and Technology Agency, Gobancho, Chiyoda-ku, Tokyo 102-0076, Japan,Tokyo University of Marine Science and Technology, Konan, Minato-ku, Tokyo 108-0075, Japan;

    National Research Institute of Far Seas Fisheries, Fisheries Research and Education Agency, Orido, Shimizu-ku, Shizuoka 424-8633, Japan;

    National Research Institute of Far Seas Fisheries, Fisheries Research and Education Agency, Orido, Shimizu-ku, Shizuoka 424-8633, Japan;

    Center for Field Science of the Seto Inland Sea, Hiroshima University, Minatomachi, Takehara, Hiroshima 725-0024, Japan;

    Graduate School of Informatics, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan,CREST, Japan Science and Technology Agency, Gobancho, Chiyoda-ku, Tokyo 102-0076, Japan;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Coded transmitter; phase modulation; acoustic biotelemetry; school; shoal;

    机译:编码发射机调相;声学生物遥测学校;浅滩;

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