- frequency-modulation radar
- A radar in which range is measured by interference beat frequencies between the transmitter and received frequency-modulated waves.
Aviation dictionary. 2014.
Aviation dictionary. 2014.
frequency-modulated radar — moduliuotojo dažnio radaras statusas T sritis radioelektronika atitikmenys: angl. frequency modulated radar vok. Frequenzmodulationsradar, n; frequenzmoduliertes Radar, n rus. радиолокационная станция с частотной модуляцией, f pranc. radar à… … Radioelektronikos terminų žodynas
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
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 signal characteristics — A Radar System uses a Radio Frequency electromagnetic signal reflected from a target to determine information about that target. In any radar system, the signal transmitted and received will exhibit many of the characteristics described below.The … 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
Radar Doppler — Un radar Doppler est un radar qui utilise l effet Doppler Fizeau de l écho réfléchi par une cible pour mesurer sa vitesse radiale. Le signal micro onde émis par l antenne directionnelle du radar est réfléchi par la cible et comparé en fréquence… … Wikipédia en Français
Radar altimeter — A radar altimeter, radio altimeter, low range radio altimeter (LRRA) or simply RA measures altitude above the terrain presently beneath an aircraft or spacecraft. This type of altimeter provides the distance between the plane and the ground… … Wikipedia
radar à modulation de fréquence — moduliuotojo dažnio radaras statusas T sritis radioelektronika atitikmenys: angl. frequency modulated radar vok. Frequenzmodulationsradar, n; frequenzmoduliertes Radar, n rus. радиолокационная станция с частотной модуляцией, f pranc. radar à… … Radioelektronikos terminų žodynas
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 — 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