海水声速的测量方法研究综述
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摘要
海水中的声速是一个取决于介质中许多声传播特性的重要海洋学变量,它随着深度、季节、地理位置和在固定位置上的时间而变化。在水声研究和海洋工程中,广泛地需要测量海水声速,测量声速的方法一直是水声研究的基本问题。本文首先介绍了海水声速测量方法的研究背景和意义,然后详细列举了目前国际上普遍采用的一些直接获取海洋声速剖面的基本方法,重点介绍了本单位实际海上试验过程中使用的不同声速测量设备的具体工作原理和设备参数,并对不同测量方法的优越性进行了探讨。研究结果对促进海水声速测量技术的发展具有参考价值。
Sound velocity in seawater is a medium depends on the acoustic characteristic of many important oceanographic variables, It varies with depth, season, location and time in a fixed position. In underwater acoustic research and ocean engineering, Widely we need to measure the water speed of sound, The method of measuring the speed of sound has been a fundamental problem of underwater acoustic research. This paper introduces the background and significance of seawater sound speed measurement methods, and detailed lists some basic ways direct access to the ocean sound speed profile of the current international commonly used. It focuses on the specific parameters of different equipment works and sound velocity measurement device in actual units used during the sea trials, and the superiority of the different measurement methods were discussed. The results have reference value for promoting the development of seawater sound speed measurement technology.
引文
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