passive reflector

passive reflector

[′pas·iv ri′flek·tər]
(electromagnetism)
A flat reflector used to change the direction of a microwave or radar beam; often used on microwave relay towers to permit placement of the transmitter, repeater, and receiver equipment on the ground, rather than at the tops of towers. Also known as plane reflector.
References in periodicals archive ?
This three-layer fabric will be available in new colors and include RECCO[TM], a passive reflector integrated into the jacket and pants to help ski areas, heli-ski operators, and search and rescue teams detect subjects wearing the reflector.
The US Navy and Army, Sandia, Boeing, Vox Populi, Lockheed Martin, Cambridge University, RPM Productura, and others have all chosen active marker systems to increase their productivity while reducing marker swap problems suffered by the older, lower resolution and lower speed passive reflector systems.
Change of radar reflex surface of a target--by certain coatings or passive reflectors radar reflex surface of a target or environment can be increased or decreased.