Theoretical and experimental study of pl
โ
P. Masson; M. Amram; G. Ostiguy
๐
Article
๐
1995
๐
Elsevier Science
๐
English
โ 949 KB
A first type of acoustical waveguide filter, made of identical cavities, was developed and studied thoroughly. The noise control performance of that device was limited to a narrow frequency band. A new type of waveguide filter, made of rectangular cavities of different sizes, is proposed in order to