通过对轴对称抗式消声器进行有限元分析，建立其数学模型，对传递损失编制程序计算。结果证明，其理论计算值同实验值有较好的一致性。 Through the finite element analysis of the axial symmetrical resisting muffler, the mathematical model of the muffler is established, and the transmission loss is calculated and programmed. The results show that the theoretical calculated value is in good agreement with the experimental value.