摘要
海底沉积物的声速和声衰减系数等声学特性参数是影响水下声场空间结构、水声通讯、水声设备使用性能、海底目标探测的重要因素。介绍了最新研制的浅海海底沉积声学原位测量系统的工作原理、结构组成和性能特点,并对系统在黄海和南海海底沉积物声学特性调查中的应用情况进行了总结。最后,对系统在满足深海应用方面的功能拓展进行了讨论和展望。
The acoustic properties such as the sound speed and the attenuation coefficient are important factors which influence the structure of the underwater field,underwater acoustic communication,performances of underwater acoustic equipments,detecting of objects on seafloor and so on.The work principle,structure and performance of the newly developed in situ sediment acoustic measurement system for shallow water are introduced,and its applications to measure the acoustic properties of seafloor sediment are reviewed.Several techniques that are needed for functional extension of this system for deep-sea survey are discussed.
出处
《海洋测绘》
2014年第5期79-82,共4页
Hydrographic Surveying and Charting
基金
国家自然科学基金(41106061
41106030)
国家海洋局青年基金(2012318)
基本科研业务费专项资金(GY0213G24)
海洋公益行业科研专项资金(2014)
关键词
海底沉积物
声速
声衰减系数
原位测量
深海调查
seafloor sediments
sound speed
sound attenuation coefficient
in situ measurement
deep-sea survey
