Active nonreciprocal metamaterial using a spatiotemporal modulation control strategy

A class of active nonreciprocal metamaterial (ANMM) is presented which consists of an acoustic duct with periodically placed active diaphragms that are controlled by a spatiotemporal modulation strategy. The acoustic nonreciprocities can be realized by modulating a system's properties spatiotem...

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Veröffentlicht in:	Applied physics letters 2022-08, Vol.121 (6)
Hauptverfasser:	Zhou, Han, Baz, Amr
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic propagation Acoustic properties Acoustic waves Acoustics Active control Actuators Applied physics Diaphragms Metamaterials Microphones Modulation Reciprocity Wave propagation Waveguides
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