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Analysis of directional characteristics of offset reflector antennas

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4 Author(s)
Gorobets, N.N. ; Karazin Kharkov Nat. Univ., Ukraine ; Kijko, V.I. ; Gorobets, Ju.N. ; Movchan, O.S.

Radiation characteristics (DC, aperture efficiency (AEF), SLL, width pattern) of the offset reflector antenna as a cutting from a paraboloid of rotation was investigated in dependence on cutting displacement from top of a paraboloid. Researches will be carried out on the basis of mathematical model of a parabolic mirror antenna with use of a method of physical optics and with taking account of a shadowing of a mirror with the block of an irradiator. It is shown, that at the fixed mirror aperture size for obtaining maximum DC and AEF the displacement of a mirror should be little less than in the case, when requirement of the complete unshadowing of a mirror with the irradiator is ensured.

Published in:

Antenna Theory and Techniques, 2005. 5th International Conference on

Date of Conference:

24-27 May 2005