Research Article

On the Use of Passive Reflecting Surfaces and Compressive Sensing Techniques for Detecting Security Threats at Standoff Distances

Figure 5

Reconstructed images of the person under test using a traditional SAR algorithm at four different ranges: (a)  mm, (b)  mm, (c)  mm, and (d)  mm.
248351.fig.005a
(a)
248351.fig.005b
(b)
248351.fig.005c
(c)
248351.fig.005d
(d)