- beam width
- The angle between the directions, on either side of the axis, at which the intensity of the radio frequency field drops to one-half the value it has on the axis.
Military dictionary. 2000.
Look at other dictionaries:
beam|width — «BEEM WIHDTH, WIHTTH», noun. the angular width of a radio or radar beam … Useful english dictionary
beam 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 … Aviation dictionary
beam width — pluošto plotis statusas T sritis fizika atitikmenys: angl. beam width vok. Bündelbreite, f rus. ширина пучка, f pranc. largeur de faisceau, f … Fizikos terminų žodynas
beam width error — An azimuthal distortion of a radar display caused by the width of the radar beam. Point target T distorted in azimuth to show as AB … Aviation dictionary
Beam search — is a heuristic search algorithm that is an optimization of best first search that reduces its memory requirement. Best first search is a graph search which orders all partial solutions (states) according to some heuristic which attempts to… … Wikipedia
Beam diameter — The beam diameter or beam width of an electromagnetic beam is the diameter along any specified line that is perpendicular to the beam axis and intersects it. Since beams typically do not have sharp edges, the diameter can be obtained in many… … Wikipedia
Beam parameter product — In laser science, the beam parameter product (BPP) is the product of a laser beam s divergence angle (half angle) and the radius of the beam at its narrowest point (the beam waist).cite web|url=http://www.rp photonics.com/beam parameter… … Wikipedia
beam 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 … Aviation dictionary
Beam — (b[=e]m), n. [AS. be[ a]m beam, post, tree, ray of light; akin to OFries. b[=a]m tree, OS. b[=o]m, D. boom, OHG. boum, poum, G. baum, Icel. ba[eth]mr, Goth. bagms and Gr. fy^ma a growth, fy^nai to become, to be. Cf. L. radius staff, rod, spoke of … The Collaborative International Dictionary of English
Beam center — Beam Beam (b[=e]m), n. [AS. be[ a]m beam, post, tree, ray of light; akin to OFries. b[=a]m tree, OS. b[=o]m, D. boom, OHG. boum, poum, G. baum, Icel. ba[eth]mr, Goth. bagms and Gr. fy^ma a growth, fy^nai to become, to be. Cf. L. radius staff, rod … The Collaborative International Dictionary of English