Based on the theory of acoustics, this paper analyzes the character of geometrical spreading loss of finite line sound source on three types of directivity-monopole, intermediate pole and dipole.

根据基本声学理论，分析具有单极子、中间和偶极子三种指向性的有限长线声源的几何发散损失特性。

youdao

Based on the theory of acoustics, this paper analyzes the character of geometrical spreading loss of finite line sound source on three types of directivity-monopole, intermediate pole and dipole.

根据基本声学理论，分析具有单极子、中间和偶极子三种指向性的有限长线声源的几何发散损失特性。

youdao