A. S. Raevskij – Dr.Sc. (Phys.-Math.), Professor, Head of Department of Physics and Technology of Optical Communication, Nizhny Novgorod State Technical University n.a. R.E. Alekseev

E-mail: physics@nntu.ru

V. V. Shcherbakov – Ph.D. (Eng.), Associate Professor, Department of Physics and Technology of Optical Communication,

Nizhny Novgorod State Technical University n.a. R.E. Alekseev

S. A. Vorobiev – Master, Department of Physics and Technology of Optical Communication, Nizhny Novgorod State Technical University n.a. R.E. Alekseev

The influence of the mirror metal corrosion on the characteristics of the mirror antennas has been described. The examples of calculation of the characteristics of a horn-parabolic antenna in the case of an aluminum mirror have been given. The technique has been proposed for calculating the effect of corroded sections of a mirror with arbitrary shape on the characteristics of a horn-parabolic antenna.

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