The complex sound field distribution of the focused transducers was calculated by the coordinate transform method, and the acoustic power was measured.
该文应用坐标变换法对该聚焦换能器的复杂声场分布进行了数值计算，并测定了其声功率。
2
The multi polar coordinate and complex function are used to put forward an approximate analysis method for scattering of steady P wave around a circular lining in half space.