The expression of the equivalent mass and equivalent impedance on a side of the transducer are educed, moreover, the expression of mechanical quality factor and band wide are obtained .

• 推导出在同一参考面穿孔换能器的等效质量、等效电阻的表达式,进一步得到换能器的机械品质因数和带宽的表达式,得到穿孔尺寸与这些参数之间的关系,从而设计出宽频带换能器。