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an yong sheng xue ce bo yi
Pages: 4-27
Year: Issue:  1
Journal: Ocean Technology

Abstract: <正> 一、概述岸用声学测波仪是一种定时或随时自动记录近岸海浪健高及周期的水文仪器。可供沿海各台站长期观测波浪要素用,亦可在港工建筑和水下作业等方面做为波浪观测仪器。该仪器以图示形式记录波浪,在仪器机箱后面板上附有一个数码输出插座,以便用数字计算机进行数据处理。本仪器的基本工作原理为声纳测距。超声波换能器用支架固定于被测点的海底,发射信号与回波信号通过水下电缆传递;电子线路与记录部分都放在岸边观察室内,可以随时获得
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