Locating the position of objects in non-line-of-sight based on time delay estimation

Wang Xue-Feng^{1, 2}, Wang Yuan-Qing^{1, †,}, Su Jin-Shan^{1, 2}, Yang Xing-Yu^{1, 2}

Received signals from hidden object by one APD. (a) the received signals from three random points of the hidden object, the upper signals are separated for three points; the lower signal is detected by APD; (b) the light transmission process of the laser to one APD.