radar beam
21beam — Synonyms and related words: AM signal, CRT spot, DM display, Doppler signal, FM signal, H beam, I beam, IF signal, IF video signal, IM display, RF amplifier, RF echoes, RF signal, RF stage, TV band, X ray, abutment, actinic ray, actinism,… …
22Radar sensor — Radio detection and ranging (radar) is used to sense angle, range and velocity of (moving) scatterers in the environment [Skolnik, M. I.: Introduction to Radar Systems, 3rd Ed. . McGraw Hill, 2005] [Stimson, G. W.: Introduction to Airborne Radar …
23radar resolution — The ability to distinguish between two closely spaced targets. The distance between two resolvable targets must be defined in each of the dimensions of measurement, which typically for a radar are range, azimuth, elevation, and velocity. Range… …
24beam width — The full angular interval in the horizontal plane between the points at which the power radiated from the antenna has fallen to half its maximum value. In practice, the effective beam width may be less than this value and may be altered by use of …
25radar — noun ADJECTIVE ▪ enemy, police ▪ airborne, ground, ground based ▪ long range VERB + RADAR ▪ …
26beam — n. & v. n. 1 a long sturdy piece of squared timber or metal spanning an opening or room, usu. to support the structure above. 2 a a ray or shaft of light. b a directional flow of particles or radiation. 3 a bright look or smile. 4 a a series of… …
27beam resolution — The ability of a radar to distinguish between two targets that are at the same range but different azimuths. Radar resolution in azimuth is a function of beam width. The narrower the beam, the better the resolution …
28beam — noun 1》 a long sturdy piece of squared timber or metal used horizontally in building to support a load above. ↘a narrow horizontal length of squared timber used for balancing exercises in gymnastics. 2》 a horizontal beam supporting the deck… …
29beam — I (New American Roget s College Thesaurus) v. shine, glow; smile. n. ray, gleam; joist, timber. See light, support. II (Roget s IV) n. 1. [A relatively long, stout bar] Syn. timber, brace, rafter, stringer, stud, two by four, scantling, strut,… …
30radar signature — The shape and size of the radar blip received from an aircraft or flying object. The radar signature is a function of target size and its range, aspect, geometric shape, materials, and surface texture. The most vital element of the radar… …
