To provide a method that can be used to predict single or multi-layered Microperforated Panel (MPP) performance precisely, especially when the MPP has holes of different diameter and irregular shape.

• 摘要提出用实验测得含不同孔径孔的微孔板声阻抗率来预测由其形成的单层或多层微孔板的吸声特性，并用传递矩阵法来预测该微孔板的各种组合结构的整体吸声性能。