Through comparison, it shows that at the same value of frequency and size, the far field of hexagonal piston is more uniform than that of circular piston.

• 结果表明，与圆形、方形活塞的辐射远场相比，在声波频率、活塞面积相同条件下，六边形活塞声源的辐射远场相对比较均匀。