Spatial Spectrum-Based Imaging for UWB Through-the-Wall MIMO Arrays

Figure 4

Three different support areas of the spatial spectrum and the corresponding target images: (a) rectangle, (b) isosceles trapezoid, (c) gapped rectangle, (d) target image for Figure 4(a), (e) target image for Figure 4(b), and (f) target image for Figure 4(c).

(a)

(b)

(c)

(d)

(e)

(f)