导出了水中透声目标表面边界条件的时域有限差分(FDTD)表达形式，将FDTD在水声学中的应用范围扩大到无切应力的有限声阻抗目标的散射问题。
The proposed finite difference boundary condition expands the scope of application of FDTD to scattering problems of objects with a finite acoustic impedance but without tangential stress.
在透声界面附近运用声学基本方程可导出边界条件的时域有限差分(FDTD)表达式。
From the basic equations in acoustics, boundary condition expressions on penetrable interfaces between media can be derived for the finite difference time domain (FDTD) method.
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