backscatter radar

backscatter radar

[′bak¦skad·ər ′rā‚där]
(ordnance)
An over-the-horizon radar system designed primarily to detect an enemy missile attack from far beyond the horizon, by detecting radio energy reflected from the ionosphere disturbance created by the missiles.
References in periodicals archive ?
Originally intended for SBInet, these funds have been diverted to buy backscatter radars for Border Patrol checkpoints, vehicle- and aircraft-mounted cameras, thermal imagers, and the mobile surveillance systems.