Abstract: The physical phenomenon of the perturbation on the water surface caused by underwater acoustic signals has been analyzed in this paper. A laser probe detection system in laboratory with a semiconductor laser to measure signal underwater from the water surface was developed. Meanwhile, the synchronous measurement utilized a $MIN@200dB standard hydrophone was also done.The signal frequencies from 200Hz to 10KHz was measured and the results have been given. The experimental results show that the system is available. !3
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机译：摘要：分析了水下声信号在水面上产生扰动的物理现象。开发了一种实验室激光探测系统，该系统使用半导体激光器测量水下水面信号。同时，还使用$ MIN @ 200dB标准水听器进行了同步测量，测量了200Hz至10KHz的信号频率并给出了结果。实验结果表明该系统是可行的。 ！3
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