A method is proposed for calculating the radiation characteristics of a reflector antenna in the resonant wavelength range. The method uses the solution of the problem of electromagnetic field scattering from a well-conducting non-closed screen of finite thickness. This problem is solved by an E-field integral equation and on approximate boundary conditions by Leontovich, which are applied onto a surface of a well-conducting screen.
Sergey V. Nechitaylo,
"Radiation from Reflector Antenna of Finite Thickness and Conductivity in Resonant Scattering Band," Progress In Electromagnetics Research M,
Vol. 87, 53-62, 2019. doi:10.2528/PIERM19090402
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