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COBERTURA HAZ [4 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2010-01-29

English

Subject field(s)
  • Radio Transmission and Reception
  • Telecommunications Facilities
DEF

A radio beam having an elliptically shaped cross section in which the ratio of the major to minor axes usually exceeds 3 to 1.

OBS

The beam is broad in the vertical plane and narrow in the horizontal plane.

French

Domaine(s)
  • Émission et réception radio
  • Installations de télécommunications
DEF

Faisceau d'ondes étroit dans un plan et large dans l'autre pour balayer l'espace en tournant autour d'un axe situé dans le second plan.

Spanish

Campo(s) temático(s)
  • Radiotransmisión y radiorrecepción
  • Instalaciones de telecomunicaciones
DEF

Diagrama de radiación del haz de radar que es ancho en dos dimensiones cartesianas y estrecho en la tercera.

OBS

Antenas para aviones y embarcaciones en sistemas de comunicación por satélite; por ejemplo, un diagrama de haz con cobertura horizontal estrecha y vertical amplia. Se utiliza normalmente con radares de vigilancia.

Save record 1

Record 2 2003-09-15

English

Subject field(s)
  • Signalling and Illumination (Air Transport)
CONT

These beam coverages allow for displacement of the cockpit from the centre line up to distances of the order of 12 m (40 ft) and are intended for use before and after curves.

OBS

beam coverage: term officially approved by the International Civil Aviation Organization (ICAO).

French

Domaine(s)
  • Signalisation (Transport aérien)
CONT

Ces ouvertures de faisceau permettent un décalage, du poste de pilotage par rapport à l'axe de la voie de circulation pouvant atteindre environ 3 m (10 pieds).

OBS

ouverture de faisceau : terme uniformisé par l'Organisation de l'aviation civile internationale (OACI).

Spanish

Campo(s) temático(s)
  • Señales e iluminación (Transporte aéreo)
OBS

cobertura del haz : término aceptado oficialmente por la Organización de Aviación Civil Internacional(OACI).

Save record 2

Record 3 2002-08-14

English

Subject field(s)
  • Radio Transmission and Reception
  • Telecommunications Facilities
DEF

An antenna which gives a narrow vertical fan-shaped beam such that the power flux density radiated (and received) in any direction, within a certain angular range, is proportional to the square of the cosecant of the angle above or below the horizontal plane through the origin of the beam.

OBS

Commonly used in airborne reconnaissance radar because it gives approximately uniform signal intensity for echoes received from near and distant targets on the Earth's surface and within the azimuthal coverage of the beam.

French

Domaine(s)
  • Émission et réception radio
  • Installations de télécommunications

Spanish

Campo(s) temático(s)
  • Radiotransmisión y radiorrecepción
  • Instalaciones de telecomunicaciones
DEF

Antena que proporciona un haz estrecho vertical en forma de abanico en el que la intensidad de campo radiada (y recibida) en cualquier dirección dentro de una cierta gama angular es proporcional al cuadrado de la cosecante del ángulo superior o inferior al plano horizontal a través del origen del haz.

OBS

Utilizada comunmente en radar aerotransportado de reconocimiento porque proporciona intensidad de señal casi uniforme para los ecos recibidos desde objetivos cercanos y lejanos en la superficie terrestre dentro de la cobertura en acimut del haz.

Save record 3

Record 4 2001-04-10

English

Subject field(s)
  • Telecommunications
  • Astronautics
  • Air Traffic Control
DEF

Satellite antenna directivity whose main lobe encompasses the entire earth's surface that is within line-of-sight view of the satellite.

OBS

global beam: term and definition officially approved by the International Civil Aviation Organization (ICAO).

French

Domaine(s)
  • Télécommunications
  • Astronautique
  • Circulation et trafic aériens
DEF

Faisceau d'antenne de satellite dont le lobe principal couvre toute la surface de la Terre qui se trouve en visibilité directe depuis le satellite.

OBS

faisceau mondial; faisceau à couverture mondiale : termes et définition uniformisés par l'Organisation de l'aviation civile internationale (OACI).

Spanish

Campo(s) temático(s)
  • Telecomunicaciones
  • Astronáutica
  • Control de tránsito aéreo
DEF

Directividad de una antena de satélite cuyo lóbulo principal abarca toda la superficie de la tierra que está dentro del alcance óptico del satélite.

OBS

haz de cobertura global; haz global : términos y definición aceptados oficialmente por la Organización de Aviación Civil Internacional(OACI).

Save record 4

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