WordNet
n. an electronic signal that has been reflected back to the radar antenna; contains information about the location and distance of the reflecting object
Usage examples of "radar echo".
Freed of the wire connecting it to the Galveston, the torpedo went to active homing, sending out a stream of sharp pings that reflected from the hull of its slow-moving target and returned like a radar echo, guiding the ADCAP torp toward its prey.
Floyd picked up the radar echo as soon as Bill Tee flattened out at the end of its second leap across Europa.
The buoy would dynamically generate a radar echo in response to any incident radar pulse.
Even this was merely an educated guess, based upon the strength of the radar echo.
The first was rebuilt to broadcast a radar echo like the Cienfuegos.
Target-seeking missiles can lock onto the radar echo from a coasting ship, or one going at its highest speed because their computers predict where their target, traveling at constant speed, can be intercepted.