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Modal Acoustic Transmission Loss (MOATL): A Transmission-Loss Computer Program Using a Normal-Mode Model of the Acoustic Field in the Ocean

机译:模态声传输损耗(mOaTL):使用海洋声场的正常模式模型的传输损耗计算机程序

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A FORTRAN program which calculates coherent and incoherent acoustic transmission loss is described. The program is based on normal-mode theory of ocean acoustics. The theory models the ocean as two fluid layers, each with an arbitrary sound-speed profile, which overlay a uniform half-space. The half-space may be a fluid or a shear-supporting solid. The model incorporates losses due to acoustic absorption in all three media and losses due to roughness of the upper and lower boundaries of the upper fluid layer. An acoustic environment changing slowly with range is treated using the adiabatic approximation. (Author)

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