- passive radar
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A receive-only radar that uses ambient radio signals for search, tracking, surveillance, identification, guidance and mapping.
Wikipedia foundation.
Wikipedia foundation.
Passive radar — systems (also referred to as passive coherent location and passive covert radar) encompass a class of radar systems that detect and track objects by processing reflections from non cooperative sources of illumination in the environment, such as… … Wikipedia
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
Radar passif — Un radar passif est un radar qui peut détecter et suivre un objet en utilisant les réflexions de sources étrangères au système telles que des stations de radiodiffusion ou de radiocommunication. C est un cas particulier du radar bistatique qui… … Wikipédia en Français
Radar detector — A radar detector, sometimes called a fuzz buster, is a passive electronic device used by motorists to determine if their speed is being monitored by law enforcement agencies via a radar unit, and thereby, potentially avoiding prosecution for… … Wikipedia
Radar tracker — A radar tracker is a component of a radar system, or an associated command and control (C2) system, that associates consecutive radar observations of the same target into tracks. It is particularly useful when the radar system is reporting data… … Wikipedia
passive mode — Refers to radar that is operating in the receiving mode only. The transmitter is either on stand by or in the switched off mode. Sometimes called passive radar … Aviation dictionary
RADAR — Pour les articles homonymes, voir Radar (homonymie). Cette antenne radar longue portée, connue sous le nom ALTAIR, est utilisée pour détecter et pister les objets spatiaux … Wikipédia en Français
Radar embarqué — Radar Pour les articles homonymes, voir Radar (homonymie). Cette antenne radar longue portée, connue sous le nom ALTAIR, est utilisée pour détecter et pister les objets spatiaux … Wikipédia en Français
Radar cross section — (RCS) is a measure of how detectable an object is with a radar. For example a stealth aircraft (which is designed to be undetectable) will have design features that give it a low RCS, as opposed to a passenger airliner that will have a high… … Wikipedia
Radar astronomy — is a technique of observing nearby astronomical objects by reflecting microwaves off target objects and analyzing the echoes. This research has been conducted for four decades. Radar astronomy differs from radio astronomy in that the latter is a… … Wikipedia