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首页> 外文期刊>ICES Journal of Marine Science >In situ calibration of observatory broadband echosounders
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In situ calibration of observatory broadband echosounders

机译:原位校准天文台宽带回声

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摘要

Today, numerous scientific echosounders are used as continuously monitoring systems in ocean observatories. These echosounders are usually calibrated in shallow water, either in laboratory tanks or at random ocean docks before deployments. If the systems are used for quantitative measurements by the observatories, they should be calibrated at the operating depths to consider the environmental effects on the calibration parameters. In this article, a simple in situ calibration method is presented, which was recently applied to one of the nodes of the Norwegian Lofoten-Vesteralen ocean observatory, when the research vessel with dynamic positioning system suspended and moved the calibration sphere between the vessel and the transducer. The calibration results of a 70-kHz split-beam echosounder demonstrate that this method can be applied to the cabled observatories.
机译:如今,许多科学回声ouders被用作海洋观测者中的连续监测系统。这些回声鸟通常在浅水中校准,无论是在实验室坦克或在部署之前的随机海洋码头。如果该系统用于通过观察者定量测量,则应在操作深度校准它们以考虑对校准参数的环境影响。在本文中,提出了一种简单的原位校准方法,该方法最近应用于挪威洛弗敦 - 留胸甲 - 前海洋观测台的一个节点,当研究容器悬挂并移动了船舶之间的校准球和移动传感器。 70 kHz分离束回波器的校准结果证明了该方法可以应用于有线观察者。

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