The transducer adopts nature cooling method, and there should be some radiation space around.
此变频器采用自然冷却，周围应有一定散热空间。
2
In this paper, a method of measuring the input mechanical impedance of the array element (longitudinal vibrating transducer) with square radiation head by using impulse sound tube is proposed.
本文提出了以声脉冲管测量辐射头为方形的一种阵元(纵向振动换能器)的输入力阻抗的方法。
3
And the analytic calculation method of the self radiation impedance and mutual radiation impedance of the transducer array is studied.