It is thus concluded that scattering problems can be transformed into specific radiation problems where the radiated source of known distribution is located at infinity.
A frequency extrapolation technique for computing antenna-platform radiation problems
A frequency extrapolation technique is proposed to obtain the broad band radiation patterns of antenna-platform radiation problems.
The algorithm is applied to several 2D and 3D antenna-platform radiation problems.
By applying the radiation-to-scattering transform, the scattering problem can be considered as the specific radiation problems where the radiated source equivalent to the electromagnetic plane wave is located at infinity.
The radiation of a thin linear monopole antenna of any length erected at the tip and along the axis of a metallic spheroid of any length and eccentricity is analized. The monopole is excited at its base. General expressions for the fields are obtained.
In this paper, we carry out the theoretical calculation of line widths and energy shifts of spontaneous emission, the decaying oscillating field is taken instead of the free field as the action field. In the calculation the self consistent requirement is imposed.
Having described shortly the properties of walsh functions and their applications in all respects,it is particularly interested in this paper to analyse the radiation properties of antennas excited by walsh waves.The radiation patterns and directivities of a dipole antenna and antenna arrays excited by sinusoidal and walsh waves are compared.