JCQ depurant-muffler is adopted on 49ZQ engine using small rare-earth element balls as catalyst and took the method of quadrature frequency band optimization to opetmize the configuration parameters.
用于492Q发动机JCQ
声器采用稀土小球为催
剂,用正交频带加权优
法优选
声器结构参数,取得良好
声、
性能。