TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

ANTENNA SPACING [5 records]

Record 1 2010-07-27

English

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

French

Domaine(s)
  • Transmission (Télécommunications)
  • Émission et réception radio

Spanish

Campo(s) temático(s)
  • Transmisión (Telecomunicaciones)
  • Radiotransmisión y radiorrecepción
DEF

Distancia entre los centros de un par de antenas específico en un radiogoniómetro de antenas separadas.

OBS

Esta distancia se expresa a menudo en términos de la longitud de onda en uso.

Save record 1

Record 2 2010-01-29

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
CONT

The Adcock antenna array is typical of a narrow-aperture DF system and suffers from the disadvantages of low speed and/or accuracy... There are many variations of the basic Adcock design, most of which employ more than four elements with the objective of increasing aperture without increasing spacing error.

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie

Spanish

Campo(s) temático(s)
  • Guía radárica, radioguía y radiogoniometría
Save record 2

Record 3 2003-03-04

English

Subject field(s)
  • Telecommunications Facilities
  • Satellite Telecommunications
CONT

In most all of my antenna modeling experiments, I use a 3 degree angular spacing between points. The only other possible choice(which would be more accurate) is 2 degree spacing.

OBS

Antennas.

French

Domaine(s)
  • Installations de télécommunications
  • Télécommunications par satellite
CONT

Dans la mesure du possible, les emplacements des stations d'émission du service fixe ou du service mobile dont les puissances isotropes rayonnées équivalentes (p.i.r.e.) ont des valeurs maximales supérieures à celles indiquées dans le tableau ci-après dans les bandes de fréquences mentionnées, seront choisis de telle manière que la direction du rayonnement maximal d'une antenne quelconque ait un écart angulaire par rapport à l'orbite des satellites géostationnaires au minimum égal à celui indiqué dans le tableau compte tenu des effets de la réfraction atmosphérique [...]

Spanish

Save record 3

Record 4 2002-09-17

English

Subject field(s)
  • Radio Transmission and Reception
DEF

Any one of a class of antennas having a structural geometry such that its impedance and radiation characteristics repeat periodically as the logarithm of frequency.

DEF

A type of directional antenna that achieves its wideband properties by geometric iteration. The radiating elements and the spacing between elements have dimensions that increase logarithmically from one end of the array to the other so that the ratio of element length to element spacing remains constant.

OBS

log periodic antenna: term and first definition standardized by IEEE.

French

Domaine(s)
  • Émission et réception radio
DEF

Antenne à très large bande composée d'une suite d'éléments rayonnants semblables dont les espacements et les fréquences propres de résonance sont en progression géométrique.

OBS

antenne log-périodique : Terme et définition normalisés par l'AFNOR.

Spanish

Campo(s) temático(s)
  • Radiotransmisión y radiorrecepción
DEF

Antena de banda ancha que consiste en una lámina de metal con dos cortes cuneiformes, cada uno con dientes en sus radios a lo largo de arcos circulares.

OBS

Las características se repiten a un número de frecuencias que están espaciadas de igual modo en la escala logarítmica.

Save record 4

Record 5 1989-06-13

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Radio Transmission and Reception
DEF

A lobe, other than the main lobe, produced by an array antenna when the interelement spacing is sufficiently large to permit the in-phase addition of radiated fields in more than one direction.

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
  • Émission et réception radio

Spanish

Save record 5

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