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1 beam
A n1 (of light, torch, laser) rayon m ; (of vehicle lights, lighthouse, searchlight) also Phys faisceau m ; on full beam GB Aut, on high beam US Aut en (pleins) phares ; on low beam US Aut en code ;2 Constr poutre f ;3 ( in gymnastics) poutre f ;5 Aviat, Naut ( radio or radar course) faisceau m de guidage ; to be off beam GB, to be off the beam US être sorti du faisceau ; fig être à côté de la plaque ○ ;6 Naut ( cross-member) traverse f ; ( greatest width) largeur f ; on the port beam à bâbord ; on the starboard beam à tribord ;7 ( smile) grand sourire m.B vtr1 [radio, satellite] transmettre [programme, signal] ; the concert was beamed all over the world le concert a été diffusé partout dans le monde ;2 fig his father beamed his congratulations son père, rayonnant, l'a félicité.C vi1 [sun, moon] rayonner ; the sun beamed down on us le soleil rayonnait au-dessus de nous ;2 ( smile) rayonner.to be broad in the beam ○ être fort des hanches. -
2 beam
beam [bi:m]1. nouna. (in roof, gym) poutre fb. ( = smile) she beamed son visage s'est épanoui en un large sourire• beaming with pride, she showed them her ring rayonnante de fierté, elle leur a montré sa baguec. ( = transmit) soon we will be beaming into your homes via the Astra satellite bientôt nos émissions vous parviendront chez vous grâce au satellite Astraa. [+ message] émettre ; [+ radio broadcast] diffuserb. "welcome" she beamed « bienvenue » dit-elle d'un air radieux* * *[biːm] 1.1) (of light, torch, laser) rayon m; (of car lights, lighthouse) also Physics faisceau mon full GB ou high US beam — Automobile en (pleins) phares
on low beam — US Automobile en code
2) ( piece of wood) poutre f3) ( central shaft) ( of weighing scales) fléau m; ( in mechanics) balancier m4) Aviation, Nautical ( radio or radar course) faisceau m de guidageto be off beam — GB
to be off the beam — US lit être sorti du faisceau; fig être à côté de la plaque (colloq)
6) ( smile) grand sourire m2.transitive verb [radio, satellite] transmettre [programme, signal]3.intransitive verb lit, fig rayonner••to be broad in the beam — (colloq) être fort des hanches
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3 beam
[bi:m] 1. noun1) (a long straight piece of wood, often used in ceilings.) poutre2) (a ray of light etc: a beam of sunlight.) rayon3) (the greatest width of a ship or boat.) largeur2. verb1) (to smile broadly: She beamed with delight.) rayonner2) (to send out (rays of light, radio waves etc): This transmitter beams radio waves all over the country.) diffuser -
4 угловая ширина пучка излучения
угловая ширина пучка излучения
расходимость пучка излучения
Плоский или телесный угол, характеризующий направленность излучения.
[Сборник рекомендуемых терминов. Выпуск 75. К вантовая электроника. Академия наук СССР. Комитет научно-технической терминологии. 1984 г.]Тематики
Обобщающие термины
Синонимы
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Русско-французский словарь нормативно-технической терминологии > угловая ширина пучка излучения
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5 ширина линии электронно-лучевого прибора
ширина линии электронно-лучевого прибора
Ширина видимого или регистрируемого следа, создаваемого электронным пятном электронно-лучевого прибора при его перемещении по экрану или мишени.
[ ГОСТ 17791-82]Тематики
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Русско-французский словарь нормативно-технической терминологии > ширина линии электронно-лучевого прибора
См. также в других словарях:
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 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
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
