Gaois

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  1. EDUCATION AND COMMUNICATIONS|communications · EDUCATION AND COMMUNICATIONS|information technology and data processing

    #554077

    IATE #1346721
    aeróg chomhsheicint Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Cosecans-Antenne
    de
    cosec antenna
    en
    Definition 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.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 Reference Multilingual Aeronautical Dict,AGARD,1980
    antenne cosécante
    fr