radar identification unit

См. также в других словарях:

• Radar MASINT — is one of the subdisciplines of Measurement and Signature Intelligence (MASINT) and refers to intelligence gathering activities that bring together disparate elements that do not fit within the definitions of Signals Intelligence (SIGINT),… …   Wikipedia

• Identification friend or foe — An IFF Test Set used for testing transponders on aircraft …   Wikipedia

• Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …   Wikipedia

• radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …   Universalium

• Automatic Identification System — The Automatic Identification System (AIS) is a system used by ships and Vessel Traffic Services (VTS) principally for identification and locating vessels. AIS provides a means for ships to electronically exchange ship data including:… …   Wikipedia

• SCR-270 radar — and was deployed around the world. It is also known as the Pearl Harbor Radar, as it was a SCR 270 set that saw the incoming raid about half an hour before the attack commenced.Two versions were produced, the mobile SCR 270, and the fixed SCR 271 …   Wikipedia

• Automatic Radar Plotting Aid — A maritime radar with Automatic Radar Plotting Aid (ARPA) capability can create tracks using radar contacts. The system can calculate the tracked object s course, speed and closest point of approach (CPA), thereby knowing if there is a danger of… …   Wikipedia

• Air traffic control radar beacon system — The air traffic control radar beacon system (ATCRBS) is a system used in air traffic control (ATC) to enhance radar monitoring and separation of air traffic. ATCRBS assists ATC radars by acquiring information about the aircraft being monitored,… …   Wikipedia

• History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …   Wikipedia

• Automatic Identification System — Système d identification automatique Pour les articles homonymes, voir SIA et AIS. Le Système d identification automatique (SIA) ou Automatic Identification System (AIS) en anglais est un système d’échanges automatisés de messages entre navires… …   Wikipédia en Français

• Systeme d'identification automatique — Système d identification automatique Pour les articles homonymes, voir SIA et AIS. Le Système d identification automatique (SIA) ou Automatic Identification System (AIS) en anglais est un système d’échanges automatisés de messages entre navires… …   Wikipédia en Français