Abstract
We propose a technique for exact calculation of the effective scattering area (ESA) of a two-dimensional, parabolic-reflector antenna with a dielectric radome. This technique is based on an iterative approach in which the general problem is reduced to a successive solution of the diffraction problem for separately the antenna and its radome. These two problems are formulated in terms of Fredholm integral equations of the first and second kinds, and are solved numerically. Convergence of the iterative procedure is studied. We numerically calculate the ESA of an antenna having a cylindrical radome and fed from an open-ended planar waveguide. The obtained ESAs of the antenna and the antenna-radome system are compared with the results of calculations based on the physical-optics approximation.
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Additional information
5th Central Testing Institute of the Ministry of Defense of the Russian Federation, Voronezh, Russia. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 42, No. 9, pp. 879–885, September, 1999.
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Mikhailov, G.D., Kutishchev, S.N. & Kiryanov, O.E. Effective scattering area of a reflector antenna with a dielectric radome. Radiophys Quantum Electron 42, 773–779 (1999). https://doi.org/10.1007/BF02676863
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DOI: https://doi.org/10.1007/BF02676863