Account of effects of the irradiator's near zone in mathematical model of reflector antenna


  • Nikolay N. Gorobets Karazin Kharkiv National University, Ukraine
  • S. S. Vyazmitinova Kharkiv National University, Ukraine
  • Anna I. Vyazmitinova Usikov Institute of Radiophysics and Electronics of the National Academy of Sciences of Ukraine, Ukraine



The method of physical optics is employed to analyze the major electrodynamics characteristics of a reflector antenna in a form of a parabolic cylinder, which is irradiated by the field of a filament of an in phase magnetic current, and a spherical reflector, which is irradiated by the field of a Hertzian horizontal dipole. The irradiator field is written in an explicit form and can be calculated with a prescribed accuracy in an arbitrary space point, including the case of small electrical dimensions of the focal distance. Proceeding from the above, an influence of the effects of the irradiator's near zone on the results of calculating the radiation pattern of a reflector antenna was analyzed.


Marcov, G.T.; Petrov, B.M.; Grudinskaya, G.P. Electrodynamics and Wave Propagation.Мoscow: Sov. Radio, 1979, 376 p. [in Russian].

Handbook of Mathematical Functions with Formulas, Graphs and Mathematical Tables. Мoscow: Nauka, 1979, 832 p. [in Russian, trans. by M. Abramowitz, I. Stegun)].

Gorobets, N.N. Characteristic properties of the wave processes in the near zone of sensors of electric and magnetic field. Methods and Equipment of Measurements in the Field of Electromagnetic Compatibility. Vinnitsa, 1991, pp. 95-100 [in Russian].

Vyazmitinov, I.A. Diffraction of the concentrated source fields at an open spherical screen with the axial symmetry. Abstract of theses for Ph.D. in Physics and Mathematics. Rostov-na-Donu, 1990, 23 p. [in Russian].