Vibration transmission and underwater acousticradiationcharacteristics experiment of floating raft system has an important technical application prospect.
对浮筏系统的振动传递及水下声辐射特性进行试验研究有其重要的工程应用前景。
2
The results show that the annular array in different combination and excitation condition has radiationcharacteristics of monopole, dipole and quadrupole of acoustic logging.
实验结果表明，在不同组合和激励条件下，圆弧阵具有声波测井的单极子、偶极子和四极子声源的辐射特征。
3
The finite element model of underwater structure with shafting is built by ANSYS. The characteristics of structural acousticradiation are investigated by the direct boundary element method.