Fig. 2: Simulation of the WAFLC system.
From: Wireless active feedback loop for backscattering communication

a Radiative part of the loop. b Circuit part with an amplifier gain A = 50 dB. c Evolution over time of the voltage generated at the looped system (probe P1) for two characteristic distances d. d Zoom of signals between 80 and 85 ns. e Evolution of the time \({\tau }_{d}^{0.1{\rm{V}}}\) as a function of distance d.