The radiated sound field of traffic circle radial transducer is researched.After analyzing the pressure distribution of the sound field

it concludes that the pressure distribution of the traffic circle radial transducer is not radial but vertical

and the broader the ring size is

the more sidelobes there are

the sharper the mainlobe is.By discussing the near sound field distribution

it shows that there is a critical pole between the near field and the far field

and the variation of the critical p...