-
1 electron beam
nCHEM, COMP&DP, ELEC, ELECTRON, METALL, NUCL, PARTPHYS, TELECOM, TV haz de electrones m, haz electrónico mWAVE PHYS haz de electrones m, rayo de electrones m, haz electrónico m -
2 focused beam
-
3 laser beam
nELECTRON, NUCL, RAD PHYS, TELECOM, WAVE PHYS haz de láser m, haz lasérico m, rayo láser m -
4 linear-beam backward-wave oscillator
nELECTRON oscilador de onda de retorno con haz lineal mEnglish-Spanish technical dictionary > linear-beam backward-wave oscillator
-
5 electron
n (e) -
6 continuous
-
7 half
1 adjACOUST, MECH ENG medio23 -
8 laser
12 nELECTRON, OPT, PHYS, PRINT, RAD PHYS, WAVE PHYS láser m -
9 sweep
swi:p
1. past tense, past participle - swept; verb1) (to clean (a room etc) using a brush or broom: The room has been swept clean.) barrer2) (to move as though with a brush: She swept the crumbs off the table with her hand; The wave swept him overboard; Don't get swept away by (= become over-enthusiastic about) the idea!; She swept aside my objections.) barrer, limpiar, recoger; arrastrar, llevarse; rechazar, descartar3) (to move quickly over: The disease/craze is sweeping the country.) azotar, asolar, arrasar4) (to move swiftly or in a proud manner: High winds sweep across the desert; She swept into my room without knocking on the door.) deslizarse, pasar rápidamente; pasar majestuosamente
2. noun1) (an act of sweeping, or process of being swept, with a brush etc: She gave the room a sweep.) barrido2) (a sweeping movement: He indicated the damage with a sweep of his hand.) gesto/movimiento amplio3) (a person who cleans chimneys.) deshollinador4) (a sweepstake.) apuesta de caballos•- sweeper- sweeping
- sweeping-brush
- at one/a sweep
- sweep someone off his feet
- sweep off his feet
- sweep out
- sweep the board
- sweep under the carpet
- sweep up
sweep vb1. barrerthe floor is dirty, I'm going to sweep it el suelo está sucio, voy a barrerlo2. arrastrartr[swiːp]1 (with broom) barrido5 (by police, rescuers) peinado, rastreo6 familiar (chimney cleaner) deshollinador,-ra1 (room, floor) barrer; (chimney) deshollinar2 (with hand) quitar de un manotazo3 (move over) azotar, barrer4 (remove by force) arrastrar, llevarse■ the swimmers were swept out to sea by the current la corriente arrastró a los nadadores mar adentro5 (pass over) recorrer6 figurative use (spread through) recorrer, extenderse por7 (touch lightly) rozar, pasar por1 (with broom) barrer2 (move quickly) pasar rápidamente3 (extend) recorrer, extenderse\SMALLIDIOMATIC EXPRESSION/SMALLto sweep somebody off his/her feet hacerle perder la cabeza a alguiento sweep something under the carpet ocultar algoto make a clean sweep of things barrer con todo, hacer tabla rasato sweep the board llevarse todos los premios1) : barrer (el suelo, etc.), limpiar (suciedad, etc.)he swept the books aside: apartó los libros de un manotazosweep vi1) : barrer, limpiar2) : extenderse (en una curva), describir una curvathe sun swept across the sky: el sol describía una curva en el cielosweep n1) : barrido m, barrida f (con una escoba)2) : movimiento m circular3) scope: alcance mn.• barredura s.f.• deshollinador s.m.• escobada s.f.• escobazo s.m.• recorrido s.m.• redada s.f.• turbión s.f.v.(§ p.,p.p.: swept) = abalear v.• copar v.• deshollinar v.• dragar v.• escobar v.• rastrear v.• rozar v.swiːp
I
1) ( act) (no pl) barrido m, barrida fgive it a sweep — dale un barrido or una barrida, bárrelo
2)a) c ( movement)b) c (curve - of road, river) curva fc) ( range) (no pl) alcance m, extensión f3) c ( search) peinado m, rastreo m4) c ( chimney sweep) deshollinador, -dora m,f
II
1.
(past & pp swept) transitive verb1)a) ( clean) \<\<floor/path\>\> barrer; \<\<chimney\>\> deshollinarb) ( remove) \<\<leaves/dirt\>\> barrer; \<\<mines\>\> barrershe swept the leaves into a pile — barrió la terraza (or el patio etc) y amontonó las hojas
to sweep something under the rug o (BrE) carpet — correr un velo sobre algo
2) (touch lightly, brush) \<\<surface\>\> rozar*3)a) (pass over, across)severe storms swept the coast — grandes tormentas azotaron or barrieron la costa
the epidemic is sweeping the country — la epidemia se extiende como un reguero de pólvora por el país
b) ( remove by force) arrastrar4)a) ( scan) recorrerb) ( search) \<\<area\>\> peinar, rastrear
2.
vi1) (+ adv compl)a) ( move rapidly)the car swept by o past — el coche pasó rápidamente
b) ( move proudly)he swept past as if I wasn't there — pasó por mi lado con la cabeza en alto, como si yo no existiera
2) (+ adv compl)a) ( spread)fire swept through the hotel — el fuego se propagó or se extendió por todo el hotel
b) ( extend)•Phrasal Verbs:- sweep up[swiːp] (vb: pt, pp swept)1. VT1) [+ place, area]a) (=clean) [+ floor, room, street] barrer; [+ chimney] deshollinarhave you had your chimney swept lately? — ¿te han deshollinado la chimenea recientemente?
b) (=touch) rozarc) (=spread through) [disease, idea, craze] arrasar; [rumours] correr por, extenderse pord) (=lash) [storm, rain, waves] azotar, barrertorrential storms swept the country — tormentas torrenciales azotaron or barrieron el país
the beach was swept by great waves — olas gigantescas azotaron or barrieron la playa
e) (=scan) [searchlight, eyes] recorrerf) (=search) peinar2) (=move)a) (with brush)•
she was sweeping crumbs into a dustpan — estaba recogiendo las migas con una escoba y un recogedor•
he swept the leaves off the path — barrió las hojas del camino- sweep sth under the carpetb) (with hand, arm)•
she swept her hair back with a flick of her wrist — se echó el pelo hacia atrás con un movimiento rápido de muñeca•
he swept the stamps into a box — recogió los sellos en una cajato sweep sb into one's arms — coger or tomar a algn en brazos
•
I swept the rainwater off the bench with my hand — quité el agua de la lluvia del banco con la manoc) (forcefully)to be swept along by or on a wave of sth — (fig) dejarse llevar por una ola de algo
•
landslides that swept cars into the sea — corrimientos de tierra que arrastraron coches hasta el marthe election which swept Labour into office or power — las elecciones en la que los laboristas arrasaron haciéndose con el poder
•
the water swept him off his feet — la fuerza del agua lo derribó- sweep all before one3) (=win decisively) [+ election] arrasar en- sweep the board2. VI1) (=clean) barrer2) (=spread)a) [violence, disease, storm]•
the violence which swept across Punjab — la violencia que arrasó el Punjab•
the storm which swept over the country — la tormenta que arrasó el país•
plague swept through the country — la peste arrasó el paísb) [fire, smoke]•
the fire swept rapidly through the forest — el fuego se propagó or extendió rápidamente por el bosquethick smoke swept through their home — una densa humareda se propagó or extendió por la casa
c) [emotion]•
a great wave of anger swept over me — me invadió una gran oleada de ira•
panic swept through the city — en la ciudad cundió el pánico3) (=move)a) [crowd, procession]•
an angry crowd swept along the main thoroughfare — una multitud airada avanzaba por la calle principalb) (majestically) [person, car]•
to sweep past/in/out — pasar/entrar/salir majestuosamentec) (quickly) [vehicle, convoy]•
the convoy swept along the road — la caravana pasó por la carretera a toda velocidad- sweep into power4) (=stretch) [land, water]•
the bay sweeps away to the south — la bahía se extiende (majestuosamente) hacia el sursweep up•
the hills/woods sweep down to the sea — las colinas/los bosques bajan (majestuosamente) hacia el mar3. N1) (with broom, brush) barrido m, barrida fthe floor/the kitchen could do with a sweep — al suelo/a la cocina le hace falta un barrido or una barrida
•
to give sth a sweep — darle un barrido or una barrida a algo3) (=movement) [of pendulum] movimiento m ; [of scythe] golpe m ; [of beam] trayectoria f ; (fig) [of events, progress, history] marcha f•
with a sweep of his arm — con un amplio movimiento del brazowith one sweep of his scythe, he cleared all the nettles — con un golpe de guadaña hizo desaparecer todas las ortigas
with a sweep of her hand she indicated the desk — extendió la mano indicando el pupitre con un gesto amplio
4) (=search) (for criminals, drugs) batida f, rastreo mto make a sweep: they made a sweep for hidden arms — dieron una batida or hicieron un rastreo buscando armas ocultas
to make a sweep of sth — (with binoculars, torch) hacer una pasada por algo; (with team of people) rastrear algo
5)•
clean sweep —a) (=change)there will be a clean sweep of all those involved in this cover-up — se hará tabla rasa con todos los que estén involucrados en esta tapadera
b) (in competition, series of competitions)•
to make a clean sweep — arrasar ganándolo todo; (Cards) ganar todas las bazas•
it was the first club to make a clean sweep of all three trophies — fue el primer club que arrasó llevándose or ganando el total de los tres trofeos6) (=curve, line) [of coastline, river] curva f ; [of land] extensión f ; [of staircase] trazado m ; [of long skirt, curtains] vuelo m ; [of wings] envergadura f7) (=range)a) (lit) [of telescope, gun, lighthouse, radar] alcance mwith a sweep of 180° — con un alcance de 180°
b) (fig) [of views, ideas] espectro mrepresentatives from a broad sweep of left-wing opinion — representantes de un amplio espectro de la izquierda
8) (=wave) [of emotion] ola f9) = sweepstake- sweep up* * *[swiːp]
I
1) ( act) (no pl) barrido m, barrida fgive it a sweep — dale un barrido or una barrida, bárrelo
2)a) c ( movement)b) c (curve - of road, river) curva fc) ( range) (no pl) alcance m, extensión f3) c ( search) peinado m, rastreo m4) c ( chimney sweep) deshollinador, -dora m,f
II
1.
(past & pp swept) transitive verb1)a) ( clean) \<\<floor/path\>\> barrer; \<\<chimney\>\> deshollinarb) ( remove) \<\<leaves/dirt\>\> barrer; \<\<mines\>\> barrershe swept the leaves into a pile — barrió la terraza (or el patio etc) y amontonó las hojas
to sweep something under the rug o (BrE) carpet — correr un velo sobre algo
2) (touch lightly, brush) \<\<surface\>\> rozar*3)a) (pass over, across)severe storms swept the coast — grandes tormentas azotaron or barrieron la costa
the epidemic is sweeping the country — la epidemia se extiende como un reguero de pólvora por el país
b) ( remove by force) arrastrar4)a) ( scan) recorrerb) ( search) \<\<area\>\> peinar, rastrear
2.
vi1) (+ adv compl)a) ( move rapidly)the car swept by o past — el coche pasó rápidamente
b) ( move proudly)he swept past as if I wasn't there — pasó por mi lado con la cabeza en alto, como si yo no existiera
2) (+ adv compl)a) ( spread)fire swept through the hotel — el fuego se propagó or se extendió por todo el hotel
b) ( extend)•Phrasal Verbs:- sweep up -
10 transverse
-
11 linear
-
12 single
123 -
13 forward
1 adjAIR TRANSP delanteroWATER TRANSP de proa, proel2 advWATER TRANSP a proa, hacia proa34 vtPRINT poner guardas, recortar -
14 full
1234 -
15 radio
12 -
16 bow
I
1.
verb1) (to bend (the head and often also the upper part of the body) forwards in greeting a person etc: He bowed to the ladies; They bowed their heads in prayer.) inclinar(se), hacer una reverencia2) ((with to) to accept: I bow to your superior knowledge.) ceder ante, transigir con
2. noun(a bowing movement: He made a bow to the ladies.) inclinación, reverencia- bowed
II
1. bəu noun1) (a springy curved rod bent by a string, by which arrows are shot.)2) (a rod with horsehair stretched along it, by which the strings of a violin etc are sounded.) arco3) (a looped knot of material: Her dress is decorated with bows.) arco
2.
noun((often in plural) the front of a ship or boat: The waves broke over the bows.)bow1 n1. arco2. lazobow2 n1. proa2. reverenciabow3 vb1. inclinarse / hacer una reverencia2. inclinartr[baʊ]1 SMALLMARITIME/SMALL proa\SMALLIDIOMATIC EXPRESSION/SMALLa shot across the bows un aviso————————tr[baʊ]1 (with body) reverencia1 inclinar1 (in respect) inclinarse, hacer una reverencia1 figurative use (submit) someterse a\SMALLIDIOMATIC EXPRESSION/SMALLto bow down inclinarseto bow and scrape (to somebody) hacer la pelota (a alguien)————————tr[bəʊ]1 (for arrows) arco2 (of violin) arco3 (knot) lazo1 (cause to bend) arquear, doblar1 (violin) pasar el arco (por las cuerdas)2 (wall) arquearse, combarse\SMALLIDIOMATIC EXPRESSION/SMALLbow saw sierra de arcobow ['baʊ] vi1) : hacer una reverencia, inclinarse2) submit: ceder, resignarse, sometersebow vt1) lower: inclinar, bajar2) bend: doblarbow ['baʊ:] n1) bowing: reverencia f, inclinación f2) : proa f (de un barco)bow ['bo:] vicurve: arquearse, doblarsebow ['bo:] n1) arch, curve: arco m, curva f2) : arco m (arma o vara para tocar varios instrumentos de música)3) : lazo m, moño mto tie a bow: hacer un moñon.• arco s.m. (Ship)n.• proa s.f. (Textile)n.• lazo (Textil) s.m.n.• cortesía s.f.• inclinación s.f.• reverencia s.f.• saludo s.m.v.• acodillar v.• agobiar v.• arquear v.• doblar v.• humillar v.• inclinar v.• inclinarse v.
I baʊ1) ( movement) reverencia fthe actress took a bow — la actriz salió a saludar al público/hizo una reverencia
2) ( of ship) (often pl) proa f
II
1. baʊintransitive verb hacer* una reverenciato bow to somebody — hacerle* una reverencia a alguien, inclinarse ante alguien
to bow to something: we must bow to her experience debemos tratarla con la deferencia que su experiencia merece; they bowed to government pressure — cedieron ante la presión del gobierno
2.
vt \<\<head\>\> inclinar, agacharPhrasal Verbs:- bow down- bow out
III bəʊ1) ( knot) lazo m, moño m (esp AmL)to tie a bow — hacer* un lazo (or moño etc)
to tie something in a bow — hacer* un lazo (or moño etc) con algo
2) ( weapon) arco m3) ( Mus) arco m
IV
1. bəʊintransitive verb \<\<branch/plank\>\> arquearse, doblarse, pandearse (esp AmL)
2.
vt \<\<branch/beam\>\> arquear
I [bǝʊ]1. N1) (=weapon) (also Mus) arco mbow and arrow — arco m y flechas
2) (=knot) lazo m2.CPDbow window N — mirador m, ventana f salediza
II [baʊ]1.N (=greeting) reverencia fto make a bow — inclinarse (to delante de); hacer una reverencia (to a)
to make one's bow — presentarse, debutar
to take a bow — salir a agradecer los aplausos, salir a saludar
2. VT1) (=lower) [+ head] inclinar, bajar2) (=bend) [+ back] encorvar, doblar; [+ branches] inclinar, doblar3)3. VI1) (in greeting) inclinarse (to delante de); hacer una reverencia (to a)- bow and scrape2) (=bend) [branch etc] arquearse, doblarseto bow beneath — (fig) estar agobiado por
3) (fig) (=yield) inclinarse or ceder (to ante)- bow down- bow out
III [baʊ]1.N (Naut) (also: bows) proa fon the port/starboard bow — a babor/estribor
2.CPDbow wave N — ola causada por un barco al desplazarse por el agua
* * *
I [baʊ]1) ( movement) reverencia fthe actress took a bow — la actriz salió a saludar al público/hizo una reverencia
2) ( of ship) (often pl) proa f
II
1. [baʊ]intransitive verb hacer* una reverenciato bow to somebody — hacerle* una reverencia a alguien, inclinarse ante alguien
to bow to something: we must bow to her experience debemos tratarla con la deferencia que su experiencia merece; they bowed to government pressure — cedieron ante la presión del gobierno
2.
vt \<\<head\>\> inclinar, agacharPhrasal Verbs:- bow down- bow out
III [bəʊ]1) ( knot) lazo m, moño m (esp AmL)to tie a bow — hacer* un lazo (or moño etc)
to tie something in a bow — hacer* un lazo (or moño etc) con algo
2) ( weapon) arco m3) ( Mus) arco m
IV
1. [bəʊ]intransitive verb \<\<branch/plank\>\> arquearse, doblarse, pandearse (esp AmL)
2.
vt \<\<branch/beam\>\> arquear -
17 larga
Del verbo largar: ( conjugate largar) \ \
larga es: \ \3ª persona singular (él/ella/usted) presente indicativo2ª persona singular (tú) imperativoMultiple Entries: larga largar
larga sustantivo femeninoa) ( largo plazo):darle largas a algn/algo to put sb/sth off
largar ( conjugate largar) verbo transitivo 1b) (RPl) (soltar, dejar caer) to let … go2 ‹discurso/sermón› to give; ‹palabrota/insulto› to let fly 3 (fam) ( despedir) to fire, to give … the boot (colloq); ‹ novio› to ditch 4 (CS, Méx) (Dep) ‹ pelota› to throw; ‹ carrera› to start largarse verbo pronominala) (fam) ( irse) to beat it (colloq);◊ ¡yo me largo! I'm taking off! (AmE), I'm off! (BrE) (colloq)largase a hacer algo to start to do sth, to start doing sth
largo,-a
I adjetivo
1 (con longitud superior a la normal) long
2 (con duración superior a la normal) long, lengthy: es una película muy larga, it's a very long film
se me hizo larga la espera, the wait dragged
la conferencia duró tres horas largas, the lecture lasted for a good three hours
II sustantivo masculino
1 (longitud) length: ¿cuánto tiene de largo?, how long is it?
2 Natación length
3 Mús largo
III adverbio largo, at length: hablaremos largo (y tendido) de ello, we'll talk at length about it Locuciones: a lo largo de, (longitud) along (tiempo) through
a la larga, in the long run
va para largo, it's going to go on a long time familiar ¡largo (de aquí)!, clear off!
largar verbo transitivo
1 familiar to give
2 fam (expulsar, despedir) to sack ' larga' also found in these entries: Spanish: amortizar - largo - lengua - luz - manga - parrafada - recobrarse - resultar - sombra - cadena - cara - corto - disco - duración - enfermedad - espera - fusta - llamada - noviazgo - ómnibus - onda - trayectoria English: begin - circuitous - face - full-length - hold - involved - leotard - lingering - long wave - long-life - long-sleeved - reel off - run - binoculars - bother - fall - gaze - good - light - line - long - long-distance - shoulder - ultimately -
18 light
-
19 reflected
-
20 radio
'reidiəu
1. plural - radios; noun((an apparatus for) the sending and receiving of human speech, music etc: a pocket radio; The concert is being broadcast on radio; I heard about it on the radio; (also adjective) a radio programme, radio waves.) radio
2. verb(to send (a message) by radio: When someone on the island is ill, we have to radio (to) the mainland for a doctor; An urgent message was radioed to us this evening.) comunicar(se) por radioradio n radio
Del verbo radiar: ( conjugate radiar) \ \
radio es: \ \1ª persona singular (yo) presente indicativo
radió es: \ \3ª persona singular (él/ella/usted) pretérito indicativoMultiple Entries: radiar radio
radio sustantivo masculinoa) (Mat) radius( de organización) area of operations ■ sustantivo femenino or (AmL exc CS) sustantivo masculino escuchar la radio to listen to the radio
radiar verbo transitivo
1 (una emisora) to broadcast
2 Fís to radiate, irradiate
3 Med to treat with X-rays
radio
I sustantivo femenino
1 (transmisión) radio
por radio, on the radio
2 (aparato receptor) radio (set)
II sustantivo masculino
1 Geom radius
2 Quím radium
3 Anat radius
4 (de rueda) spoke
5 (en el espacio) radius, area
radio de acción, field of action, scope (de un barco, avión) operational range ' radio' also found in these entries: Spanish: apagar - aparato - diaria - diario - emisora - expandir - información - programa - programar - programación - radioaficionada - radioaficionado - radiocasete - reportaje - subir - alto - antena - audífono - cabina - cadena - comedia - componer - consultorio - cronista - dar - difundir - encender - enchufar - enterarse - estación - fuerte - jodido - oír - por - prender - prensa - radiocassette - radiodifusora - radiofónico - radionovela - radiooperador - radiopatrulla - receptor - saber - sintonía - teledirigido English: battery - dial - guarantee - lower - over - phone-in - pick up - put on - radio - radio beacon - radio broadcast - radio frequency - radio ham - radio network - radio set - radio station - radio transmitter - radio wave - radius - roundup - spoke - station - surround sound - switch off - talk-show - turn down - two-way - wireless - wireless set - wireless station - blare - broadcaster - editor - go - grape - have - installment - knob - low - monitor - on - pack - part - pirate - put - send - show - transistor - turn - twotr['reɪdɪəʊ]1 radio nombre femenino1 llamar por radio\SMALLIDIOMATIC EXPRESSION/SMALLradio alarm radio-despertador nombre masculinoradio beacon radiobalizaradio frequency radiofrecuenciaradio ham radioaficionado,-aradio programme programa nombre masculino de radioradio station emisora de radioradio telescope radiotelescopioradio ['reɪdi.o:] v: llamar por radio, transmitir por radioadj.• de radio adj.• radiado, -a adj.• radial adj.• radiofónico, -a adj.n.• radio s.f.• radiocomunicación s.f.• rayos x s.m.pl.v.• radiar v.• radiodifundir v.• radiografiar v.'reɪdiəʊ
I
noun (pl -os)1) c ( receiver) radio m (AmL exc CS), radio f (CS, Esp)I heard it on the radio — lo oí por el or (CS, Esp) la radio
2) u (broadcasting, medium) radio f; (before n) <show, announcer> de radio, radiofónicoradio operator — radiotelegrafista mf, radiooperador, -dora m,f (AmL)
radio station — emisora f or (AmL tb) estación f (de radio)
II
1.
(3rd pers sing pres radios; pres p radioing; past & past p radioed) transitive verb \<\<base/person\>\> llamar por radio; \<\<message\>\> transmitir por radio
2.
vi llamar por radio['reɪdɪǝʊ]to radio for help — pedir* ayuda por radio
1. N1) (=set) radio fon the radio — en or por la radio
2) (Telec) radio f, radiofonía f2.VI3.VT [+ information, news] radiar, transmitir por radio4.CPDradio alarm N, radio alarm clock N — radio-reloj m despertador
radio announcer N — locutor(a) m / f de radio
radio beacon N — radiofaro m
radio beam N — radiofaro m
radio broadcast N — emisión f de radio
radio cab N — = radio taxi
radio cassette (player) N (esp Brit), radio cassette recorder N — (Brit) radiocasete m
radio communication, radio contact N — comunicación f por radio
radio engineer N — radiotécnico mf
radio frequency N — frecuencia f de radio
radio ham N — radioaficionado(-a) m / f
radio link N — enlace m radiofónico
radio mast N — torre f de radio
radio network N — cadena f or red f de emisoras
radio operator N — radiotelegrafista mf
radio play N — obra f de teatro para la radio
radio programme, radio program (US) N — programa m de radio
radio silence N — silencio m radiofónico
radio station N — emisora f (de radio)
radio taxi N — radiotaxi m
radio telephone N — radioteléfono m
radio tower N — = radio mast
radio wave N — onda f de radio
* * *['reɪdiəʊ]
I
noun (pl -os)1) c ( receiver) radio m (AmL exc CS), radio f (CS, Esp)I heard it on the radio — lo oí por el or (CS, Esp) la radio
2) u (broadcasting, medium) radio f; (before n) <show, announcer> de radio, radiofónicoradio operator — radiotelegrafista mf, radiooperador, -dora m,f (AmL)
radio station — emisora f or (AmL tb) estación f (de radio)
II
1.
(3rd pers sing pres radios; pres p radioing; past & past p radioed) transitive verb \<\<base/person\>\> llamar por radio; \<\<message\>\> transmitir por radio
2.
vi llamar por radioto radio for help — pedir* ayuda por radio
- 1
- 2
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BEAM robotics — The word beam in BEAM robotics is an acronym for Biology, Electronics, Aesthetics, and Mechanics . This is a term that refers to a style of robotics that primarily uses simple analog circuits, such as comparators, instead of a microprocessor in… … Wikipedia
wave front — Physics. a surface, real or imaginary, that is the locus of all adjacent points at which the phase of oscillation is the same. [1865 70] * * * Imaginary surface that represents corresponding points of waves vibrating in unison. As identical waves … Universalium
beam — biËm n. ray of light; radio wave; broad smile; horizontal support or joist used in building frames; balance beam, gymnastic wooden bar on legs on which women gymnasts stand and perform balancing exercises; full width of a ship v. smile with joy; … English contemporary dictionary
Gaussian beam — In optics, a Gaussian beam is a beam of electromagnetic radiation whose transverse electric field and intensity (irradiance) distributions are well approximated by Gaussian functions. Many lasers emit beams that approximate a Gaussian profile, in … Wikipedia
Backward wave oscillator — A backward wave oscillator (BWO), also called carcinotron (a trade name for tubes manufactured by CSF, now Thales) or backward wave tube, is a vacuum tube that is used to generate microwaves up to the terahertz range. It belongs to the traveling… … Wikipedia
Interference (wave propagation) — Two point interference in a ripple tank. In physics, interference is the phenomenon in which two waves superpose each other to form a resultant wave of greater or lower amplitude. Interference usually refers to the interaction of waves that are… … Wikipedia
Traveling-wave tube — A traveling wave tube (TWT) is an electronic device used to amplify radio frequency signals to high power, usually in an electronic assembly known as a traveling wave tube amplifier (TWTA).The bandwidth of a broadband TWT can be as high as three… … Wikipedia
Gravitational wave — In physics, a gravitational wave is a fluctuation in the curvature of spacetime which propagates as a wave, traveling outward from a moving object or system of objects. Gravitational radiation is the energy transported by these waves. Important… … Wikipedia