Active control approach to temporal acoustic cloaking

We propose a realization of transformation-based acoustic temporal cloak using an active closed-loop control approach to equivalent electromagnetic problem. Unlike the more common spatial cloaks, goal which is hiding fixed objects from detection, occurrence events during finite period time. In systems, in represent, for example, leakage signals transmission lines or optical fibers, cloaking solutions usually rely on nonlinear phenomena related fibers properties modulating propagation medium itself. particular, solution requires constitutive parameters both space and event may represent object crossing channel temporarily blocking it. Our fully linear, where required change programmed into controllers created by external actuators real-time. This system keeps physical unchanged enables re-programing upon request. demonstrate our simulation one-dimensional water channel.