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3 results

  1. ENVIRONMENT · PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations|technical regulations · SCIENCE|natural and applied sciences|applied sciences · SCIENCE|natural and applied sciences|physical sciences

    #585840

    IATE #3557338
    treoireacht Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Direktivität | Richtwirkung | Gerichtetheit
    de
    directivity
    en
    Definition measure of the directional characteristic of a sound source indicating how much of the total energy from the source is radiating in a particular direction Reference COM-Term. Coord., based on:McSquared System Design Group, Inc., Directivity http://www.mcsquared.com/directvt.htm [6.6.2014] ; and Wikipedia, Directivity http://en.wikipedia.org/wiki/Directivity#In_other_fields [6.6.2014]
    Comment Directivity is often expressed as a (dimensionless) directivity factor, Q, describing the angular dependence of the sound intensity, or as a directivity index, the expression of the directivity factor in decibels (dB)
    directivité
    fr
    Definition direction de rayonnement acoustique d’une source sonore Reference COM-FR, d’après un document de l'INRS, «La série de normes EN ISO 1120 – Détermination du niveau de pression acoustique d’émission au poste de travail des machines industrielles», J. Jacques, http://www.inrs.fr/inrs-pub/inrs01.Nsf/26DD4B1C6BB892A4C125701F00413868/$File/nd2035.pdf [5.9.2014]
  2. EDUCATION AND COMMUNICATIONS|communications|communications systems

    #555901

    IATE #1371506
    léaráid radaíochta Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Strahlungsdiagramm | Richtdiagramm
    de
    Definition Darstellung der richtungsabhängigen Verteilung der Strahlungsstärke und der Empfangsempfindlichkeit Reference nach Wikipedia > Antennendiagramm, https://de.wikipedia.org/wiki/Antennendiagramm (5.2.2018)
    radiation diagram | directivity pattern | radiation pattern | directive radiation pattern
    en
    Definition diagram relating power flux density at a constant distance from an antenna to direction relative to the antenna main beam axis Reference European Telecommunications Standards Institute, Fixed Radio Systems; Point-to-point Antennas; Antennas for point-to-point fixed radio systems operating in the frequency band 3 GHz to 60 GHz, European Standard (Telecommunications series), ETSI EN 300 833 V1.3.1 (2001-08), http://www.etsi.org/deliver/etsi_en/300800_300899/300833/01.03.01_60/en_300833v010301p.pdf [12.1.2017]
    Comment See also: 'Radiation pattern', Wikipedia, https://en.wikipedia.org/wiki/Radiation_pattern [12.1.2017]
    diagramme de directivité | diagramme de rayonnement
    fr
    Definition lieu géométrique des extrémités des rayons vecteurs dont les longueurs représentent les valeurs de la force cymomotrice d'une antenne dans les différentes directions d'un plan(d'un cône)spécifié ;Réprésentation graphique de l'énergie émise ou reçue par une antenne en fonction de la direction Reference VEI 60-32-135 ;Larousse électr.,I,p.433
  3. ENVIRONMENT · SCIENCE|natural and applied sciences|applied sciences · TRANSPORT|air and space transport|air transport

    #585966

    IATE #3557713
    treo cliathánach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    laterale Richtwirkung | seitliche Richtwirkung
    de
    lateral directivity
    en
    Definition non-uniform directionality of sound radiated laterally about the roll axis of the aircraft Reference Lee J. et al., Noise Exposure Contours for Stansted Airport 2012, Civil Aviation Authority http://www.stanstedairport.com/media/896215/2012-dft-noise-contour-stansted.pdf [2.7.2014]
    Comment Aircraft noise modellingroll axis [ IATE:1348965 ]
    directivité latérale
    fr
    Definition rayonnement latéral de l’énergie acoustique lié aux effets d’installation des moteurs Reference COM-FR
    Comment Voir aussi:- directivité [IATE:3557338 ]- effet d’installation [IATE:3557817 ]- énergie acoustique [IATE:1107685 ]