An Inversion Method for Geoacoustic Parameters of Multilayer Seabed in Shallow Water

Abstract To solve the problem of obtaining geoacoustic parameters multi-layer seabed in shallow water, a inversion method based on Bayesian theory is studied this paper. In study, assumed to be horizontal layered elastic medium, and error function established according sound pressure field water layer bayesian theory. The global optimization algorithm used obtain three target wave velocity, density velocity attenuation each seabed. designed can correct process finding solution physical characteristics upper lower layers. simulation results show that greatly improves stability accuracy for model.