Research Article

Tracking of Noncooperative Airborne Targets Using ADS-B Signal and Radar Sensing

Figure 1

Surveillance principles and concepts for ADS-B and ADS-B radar. (a) ADS-B: communication between equipped aircraft and ATC. (b) ADS-B radar: able to detect both equipped and nonequipped aircraft.
521630.fig.001a
(a)
521630.fig.001b
(b)