Abstract

Vector hydrophone can simultaneously measure the pressure and particle velocity of sound field. It provides new idea for solving underwater acoustic problems using both the information of sound pressure field and particle velocity field. In this paper, the experimental data of sound transmission carried in summer 2009 at Yellow Sea is analyzed. Transmission loss of 460 Hz low frequency sound source was measured by single vector hydrophone in this experiment, then transmission loss of sound pressure and particle velocity was simulated by parabolic approximation (PE) and compared with the experimental results. The results show that the vector acoustic field parameters can be effectively obtained by single vector hydrophone, and can be quickly predicted through the parabolic equation method.

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