Research Article

Design and Analysis of Ultra-Wideband Split Transmit Virtual Aperture Array for Through-the-Wall Imaging

Figure 4

Comparison of the PSFs between the STVA array and its virtual array with focal point at 8 m. (a) STVA array. (b) Virtual array. (c) Peak amplitude pattern in azimuth angle.
934509.fig.004a
(a)
934509.fig.004b
(b)
934509.fig.004c
(c)