The authors use the specific acoustic impedance of MPP which needs to be measured beforehand in the approach, and then, the transfer matrix method is employed to predict the sound-absorbing performance of single or multi-layered MPP.

• 采用该方法获得的微孔板吸声性能曲线与实测结果相当接近，能较好地预测各种组合微孔板的吸声性能。