Gaois

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4 results

  1. EDUCATION AND COMMUNICATIONS|communications

    #648026

    IATE #3540583
    comhrian éifeachtach neartúcháin aeróige an léis satailíte instiúrtha Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    effective antenna gain contour of a steerable satellite beam
    en
    Definition envelope of antenna gain contours resulting from moving the boresight of a steerable satellite beam along the limits of the effective boresight area Reference "Art. 1 § 1.176 of Radio Regulations (2004), International Telecommunication Union, http://www.itu.int/ITU-R/index.asp?redirect=true&category=information&rlink=terminology-database&lang=en&adsearch=&SearchTerminology=effective%20antenna%20gain%20contour&collection=normative§or=all&language=all&part=abbreviationterm&kind=anywhere&StartRecord=1&NumberRecords=50#lang=en [24.2.2012]"
  2. EDUCATION AND COMMUNICATIONS|communications

    #648016

    IATE #3540529
    neartú aeróige Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Antennengewinn
    de
    gain of an antenna | antenna gain
    en
    Definition ratio, usually expressed in decibels, of the power required at the input of a loss-free reference antenna to the power supplied to the input of the given antenna to produce, in a given direction, the same field strength or the same power flux-density at the same distance Reference "International Telecommunication Union, Radio Regulations (29.6.2021), Art. 1 § 1.160, p. 22"
    Comment When not specified otherwise, the gain refers to the direction of maximum radiation. The gain may be considered for a specified polarization. Depending on the choice of the reference antenna a distinction is made between) absolute or isotropic gain (Gi), when the reference antenna is an isotropic antenna isolated in space; b)gain relative to a half-wave dipole (Gd), when the reference antenna is a half-wave dipole isolated in space whose equatorial plane contains the given direction; c) gain relative to a short vertical antenna (Gv), when the reference antenna is a linear conductor, much shorter than one quarter of the wavelength, normal to the surface of a perfectly conducting plane which contains the given direction.
    gain directionnel | gain d'une antenne | gain directif
    fr
    Definition Quotient, en décibels, de la puissance rayonnée par une antenne omnidirectionnelle de référence, etde la puissance rayonnée par l'antenne en question, toutes deux créant dans la direction privilégiée et à une même distance le même champ électromagnétique Reference Larousse électr., I, p. 432
  3. EDUCATION AND COMMUNICATIONS|communications

    #632686

    IATE #1613563
    neartú i gcoibhneas le gearraeróg ingearach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    gain relative to a short vertical antenna | gain relative to a short vertical aerial | gain in relation to a short vertical antenna | Gv
    en
    Definition ratio, generally expressed in decibels, of the partial gain of an antenna, in a given direction and for a specified linear polarization, to the maximum absolute gain of an antenna consisting of a linear conductor, much shorter than one quarter of the wavelength, normal to the surface of a perfectly conducting plane, and oriented in a direction parallel to the electric flux density vector characterizing the specified polarization in the given direction Reference "IEV 713-09-24. International Electrotechnical Commission: Electropedia (Electrotechnical Vocabulary), http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=713-09-24 [1.3.2012]"
    Gv | gain par rapport à une antenne verticale courte
    fr