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系统地探索和研究我国海洋声场的分布与变化规律,开发海洋的声速垂直结构模式,了解水声传播的状况等,除为国防服务外,还可直接为渔业生产服务。本文以国民经济应用为出发点,阐述了北黄海区声速的垂直结构模式,在此基础上,对SK-3型鱼探仪的作用距离作了估算,并给出了它在该海区内的作用距离分布图。
To systematically explore and study the distribution and variation of ocean sound field in our country, to develop the vertical structure model of ocean sound velocity and to understand the status of underwater acoustic transmission. Apart from the national defense service, fishery production services can also be directly provided. Based on the application of national economy, this paper expounds the vertical structure model of sound velocity in the North Yellow Sea. On this basis, the operating distance of SK-3 fish finder is estimated and its role in the sea area is given Distance map.