A Multifrequency Radar System for Detecting Humans and Characterizing Human Activities for Short-Range Through-Wall and Long-Range Foliage Penetration Applications
Figure 15
Detection of a human at a range of 213 m (700 ft). (a) No background subtraction; (b) background subtraction implemented; (c) background subtraction and distance correction implemented. Note the suppression of non-target responses and enhancement of target response at longer range.