detection and warning system
блок сповіщувальних сигналів
блок сповіщувальних сигналів
automated target detection, tracking, co-ordinate finding and interceptor guidance system
Airborne Warning and Control System (AWACS)
fire extinguishing system sprinkler system and fire alarm system
attitude-and-heading reference system / attitude and heading reference system (AHRS)
radar (radio detection and ranging)
RADIAC ('radioactivity, detection, indication and computation')
radio detection and ranging (radar)
fire detection and extinguishing
coherent echo modulation and detection