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In this article we make an analogy between Electromagnetic and Acoustic transmission-line modelling. Then we use this to introduce acoustic transmission-line metamaterials and finally we introduce the acoustic leaky-wave antenna on the basis of previous steps. The proposed acoustic leaky-wave antenna has the frequency scanning capability like its electromagnetic counterpart and its directivity depends on the length of the antenna.
Olivier Martin, Andrei Kiselev
Romain Christophe Rémy Fleury, Amir Jafargholi