• DocumentCode
    1031699
  • Title

    Generation of a wide circularly polarised wave from a conical-helix antenna

  • Author

    Nakano, Hisamatsu ; Sato, Mitsuhisa ; Yamauchi, Junji

  • Author_Institution
    Hosei University, College of Engineering, Koganei, Japan
  • Volume
    23
  • Issue
    8
  • fYear
    1987
  • Firstpage
    387
  • Lastpage
    388
  • Abstract
    The optimum pitch and cone angles of a conical-helix antenna are numerically investigated from the viewpoint of widening a circularly polarised beam. It is found that the helices of a cone angle of 5° with pitch angles ranging from 40° to 45° realise a circularly polarised beam over a hemispherical region. It is also found that an antenna height of at least one wavelength is required to maintain a circularly polarised beam of more than 160°.
  • Keywords
    antenna radiation patterns; antenna theory; radiowave propagation; antenna height; cone angles; conical-helix antenna; hemispherical region; pitch angles; radiation patterns; radiowave propagation; wide circularly polarised wave;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19870283
  • Filename
    4257612
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1031699