Cassegrain-Type Double-Reflector Parabolic Antenna with Transformable Reflector for Small Satellite

The paper considers one of the possible ways of constructing an antenna system for a small satellite. The requirements are formulated, which ensure minimal costs when launching the system into orbit and normal operation of the antenna with high reliability in space conditions. Based on the given requirements, the scheme for constructing the antenna system was selected. The calculation of design dimensions was carried out by the geometrical optics method. Electrodynamic modeling and calculation of the electrical characteristics of the antenna system were carried out using a software suit. Based on the results of the conducted research, the design of a parabolic double-reflector Cassegrain antenna with a transformable reflector is proposed, ensuring the achievement of the required electrical characteristics.