| 1. | 2 ) in order to solve the scattering and diffraction of sound radiation , in this dissertation , based on helmholtz equation and its boundary equations , modeling of three - dimensional fem is given for computing low frequency sound transfer function in small enclosures 2 )为解决声音在传播过程中所发生的散射和衍射现象,本文基于有源helmholtz方程及其边界条件,建立了求解小尺度封闭空间内低频声传递函数的三维有限元模型。 |