The numerical values of the radar cross sections of combat ships presented in an earlier report are supplemented by measured values on ships of other types. The measurements are examined to determine the way in which they vary with frequency for a ship of given type and aspect. It is found that the far-zone radar cross sections increase roughly with the fourth or fifth power of the frequency. Abnormal propagation conditions have been observed to increase the far-zone radar cross section by 10 decibels. The reflections from the antennas of air-search radars have been measured on some of the larger ships. Because of its elevated position, the reflections from the antenna in its broadside aspect predominate when the ship is partially below the horizon, although not at closer ranges. (RH)


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    Titel :

    Radar Cross Section of Ship Targets. 3


    Beteiligte:
    W. S. Ament (Autor:in) / M. Katzin (Autor:in) / F. C. MacDonald (Autor:in)

    Erscheinungsdatum :

    1944


    Format / Umfang :

    40 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





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