IEE Colloquium on HF Antennas Systems

3-3 Dec. 1992

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  • IEE Colloquium on 'HF Antennas Systems' (Digest No.225)

    Publication Year: 1992
    IEEE is not the copyright holder of this material | PDF file iconPDF (22 KB)
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  • HF antennas on vehicles-a characteristic modal approach

    Publication Year: 1992, Page(s):2/1 - 2/4
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (186 KB)

    Mobile antenna systems have always presented engineers with a challenge. This is particularly true at HF where the physical size and the orientation of the antenna are severely constrained by practical considerations, yet both are key factors in ensuring effective HF communications. The authors present an entirely new approach to the analysis and synthesis of HF antennas on vehicles with dimension... View full abstract»

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  • Some examples of the calculation of near-field dependent parameters for aircraft HF antennas

    Publication Year: 1992, Page(s):3/1 - 3/4
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (260 KB)

    Moment methods are necessarily used for calculation of the characteristics of HF antennas mounted upon aircraft. Whilst it is possible to obtain reasonable estimates of parameters which depend upon the far-field using a relatively coarse discretization of the airframe, this will not generally suffice for calculation of those which are determined by the near-field. Finer discretization is necessary... View full abstract»

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  • Antenna gain modelling for HF radio sky-wave system performance predictions

    Publication Year: 1992, Page(s):4/1 - 4/4
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (218 KB)

    The accurate estimation of HF radio system performance requires knowledge of antenna gain at both transmitter and receiver. The best quality of service is achieved when the optimum antenna is used for the required area of reception location. However, the choice may also be constrained by cost and by the fact that every transmitting antenna is a potential source of interference to other transmissio... View full abstract»

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