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Theoretical analysis of VHF-UHF propagation through air-vegetation-ground media

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3 Author(s)
Matthews, P.A. ; Dept. of Electron. & Electr. Eng., Leeds Univ., UK ; Hu, Y.F. ; Ahmed, K.M.

The electromagnetic radiation from a vertical electric dipole in three electrically different layers: air, vegetation and the ground is analysed. Starting with Maxwell's field equations, a rigorous analysis of the electromagnetic fields is carried out and an integral representation of the field components in the problem with two semi-infinite media is obtained. Using Debye's steepest descent method for asymptotic expansions of the contour integrals a set of formulas are derived for evaluation of different field components in air, vegetation and ground media

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Microwaves, Antennas and Propagation, IEE Proceedings  (Volume:141 ,  Issue: 5 )