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首页> 美国卫生研究院文献>Sensors (Basel Switzerland) >New Insights into the Design and Application of a Passive Acoustic Monitoring System for the Assessment of the Good Environmental Status in Spanish Marine Waters
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New Insights into the Design and Application of a Passive Acoustic Monitoring System for the Assessment of the Good Environmental Status in Spanish Marine Waters

机译：新见解探讨了被动声监测系统的设计与应用以评估西班牙海水良好环境状况

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摘要

Passive acoustic monitoring systems allow for non-invasive monitoring of underwater species and anthropogenic noise. One of these systems has been developed keeping in mind the need to create a user-friendly tool to obtain the ambient noise indicators, while at the same time providing a powerful tool for marine scientists and biologists to progress in studying the effect of human activities on species and ecosystems. The device is based on a low-power processor with ad-hoc electronics, ensuring that the system has efficient energy management, and that the storage capacity is large enough to allow deployments for long periods. An application is presented using data from an acoustic campaign done in 2018 at El Gorguel (Cartagena, Spain). The results show a good agreement between theoretical maps created using AIS data and the ambient noise level indicators measured in the frequency bands of 63 Hz and 125 Hz specified in the directive 11 of the EU Marine Strategy Framework Directive. Using a 2D representation, these ambient noise indicators have enabled repetitive events and daily variations in boat traffic to be identified. The ship noise registered can also be used to track ships by using the acoustic signatures of the engine propellers’ noise.
机译：被动声学监测系统允许对水下物种和人为噪声的非侵入性监测。这些系统中的一个已经开发了牢记，需要创建一个用户友好的工具来获得环境噪声指示器，同时为海洋科学家和生物学家提供强大的工具，以研究人类活动的影响物种和生态系统。该器件基于具有ad-hoc电子的低功耗处理器，确保系统具有有效的能量管理，并且存储容量足够大，以便长时间允许部署。使用2018年在El Gorguel（Cartagena，Spain）中的声学活动中的数据提供了一个申请。结果表明，在欧盟海洋战略框架指令的指令11中指定的63Hz频段和125Hz中测量的环境噪声水平指示器之间的理论地图之间的良好一致性。使用2D表示，这些环境噪声指示器使得能够识别船舶流量的重复事件和日常变化。登记的船舶噪声也可用于通过使用发动机螺旋桨噪声的声学签名来跟踪船舶。

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