Figure 2
From: Three-dimensional broadband acoustic illusion cloak for sound-hard boundaries of curved geometry

Schematic representation of the 3D object to be cloaked, chosen as a small round table placed in the bowl-like space.
From: Three-dimensional broadband acoustic illusion cloak for sound-hard boundaries of curved geometry
Schematic representation of the 3D object to be cloaked, chosen as a small round table placed in the bowl-like space.