Advanced Technology for In-situ Acoustic Sensing of Zooplankton
浮游动物原位声学传感先进技术
基本信息
- 批准号:0728305
- 负责人:
- 金额:$ 44.75万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2007
- 资助国家:美国
- 起止时间:2007-09-15 至 2011-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A basic goal of biological oceanography is to understand the abundance and distribution of organisms in the sea. Although the newest generation of ocean observing systems promise higher spatial and temporal sampling rates than heretofore possible, our capability to sense the ocean, in-situ, especially when considering animals of millimeter to centimeters could certainly be improved upon. Acoustic techniques hold promise for fulfilling this goal, however, when used in the traditional manner to monitor only animal backscatter amplitude suffer from many ambiguities. This proposal requests funds to explore a new option: Sensing the reflected sound from a number of different points of view in order to judge size and shape. The theory of tomographic inversion from multiple views suggests that this approach has potential to succeed. If successful, the project will point the way to a next generation of acoustic sensors with increased specificity over existing ones and help to bridge the gap between our ability to characterize marine populations and our interests.Broader Impacts:There is a nice educational component to this that includes research experiences for high school students and their teacher plus curriculum development. The development of a functional prototype with a path towards commercialization will be of benefit to the community. This technology could revolutionize our ability to remotely assess zooplankton in the ocean. One graduate student will be trained in acoustic theory and technology development and several undergraduate students will be supported.
生物海洋学的一个基本目标是了解海洋中生物的丰度和分布。虽然最新一代的海洋观测系统承诺比以往更高的空间和时间采样率,但我们在现场感知海洋的能力,特别是在考虑毫米到厘米的动物时,肯定可以提高。声学技术有希望实现这一目标,然而,当以传统的方式使用,以监测只有动物的后向散射振幅遭受许多模糊性。该提案要求提供资金,以探索一种新的选择:从许多不同的角度感知反射的声音,以判断大小和形状。从多个角度的层析反演理论表明,这种方法有可能取得成功。如果成功的话,该项目将为下一代声学传感器指明方向,该传感器将比现有传感器具有更高的特异性,并有助于弥合我们描述海洋种群特征的能力与我们的兴趣之间的差距。更广泛的影响:这是一个很好的教育组成部分,包括高中学生和他们的老师的研究经验以及课程开发。开发具有商业化道路的功能原型将有益于社区。这项技术可以彻底改变我们远程评估海洋浮游动物的能力。一名研究生将接受声学理论和技术开发方面的培训,并将支持几名本科生。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Jules Jaffe其他文献
Jules Jaffe的其他文献
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Standard Grant
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$ 44.75万 - 项目类别:
Continuing Grant
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