What is IFF (Identification, Friend or Foe)?

Introduction Identification, friend or foe (IFF) is a radar-based identification system designed for command and control. It uses a transponder that listens for an interrogation signal and then sends a response that identifies the broadcaster. It enables military and civilian air traffic control interrogation systems to identify aircraft, vehicles or forces as friendly and to… Read More


What is Automatic Target Recognition?

Introduction Automatic target recognition (ATR) is the ability for an algorithm or device to recognise targets or other objects based on data obtained from sensors. Target recognition was initially done by using an audible representation of the received signal, where a trained operator who would decipher that sound to classify the target illuminated by the… Read More