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A comparison of micro-Doppler signatures registered using rotor blade modulation (RBM) of helicopters and wheel spoke modulation (WSM) of vehicles
2019
IET radar, sonar & navigation
Jet engine modulation (JEM) are micro-Doppler features obtained from the radar data of aircraft, including jet aircraft and helicopters, and generally viewed as unique phenomenon suitable for identifying aerial targets. The authors demonstrate however, that JEM are not unique, and that the rotating wheel spokes on the wheels of ground vehicles produce a modulation similar to the rotating rotor blades of jet engines and helicopter rotor blades. They also develop a mathematical model to analyse
doi:10.1049/iet-rsn.2019.0210
fatcat:4uxyiksd5zd2phu7uo47k5vp6i