The Theory of Thin Antennas and Its Use in Antenna Engineering

New Methods of Analysis

Author(s): Boris Levin

Pp: 68-100 (33)

DOI: 10.2174/9781608057733113010006

* (Excluding Mailing and Handling)


Additional methods of analysis are considered. It is shown that reducing three-dimensional conic problem to the two-dimensional one and using the complex potential method enables one to calculate the capacitance per unit length and the wave impedance for a dipole with inclined arms and also the same for an infinite long line and a metal radiator of two convergent filaments or conic shells. The theory of electrically coupled lines permits analyzing multiple-wire structures of antennas and cables. The mathematical programming method allows selecting the loads to create an antenna with the characteristics as close to the given one as possible. The compensation method is proposed to protect living organisms and electronic devices from strong electromagnetic fields in the near region of an antenna.

Keywords: Additional radiator, Complex potential method, Dipole with inclined arms, Efficiency, Electrically coupled lines, Electrodynamic wave impedance, Electrostatic wave impedance, In-phase current distribution, Inverse problem of the radiators theory, Long line, Metal radiator of two convergent shells, Mathematical programming method, Objective function, Pattern factor, Phase step in a signal reradiating, Protecting devices against irradiation, Protecting living organisms against irradiation, Required current distribution, Required electrical characteristics, Selection of loads, Three-dimensional problem, Transformation of variables, Transition from a cone to a cylinder, Travelling wave ratio, Two convergent charged shells.

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