On–Board X–Band Antenna Array

At present, there is a need for on-board antenna of radio date communication of target information. This is actually for all types of spacecrafts, including small spacecrafts. An overview of the using types of on-board antennas of radio date communication of target information is presented. Advantages and disadvantages are shown. In this paper a scheme for constructing an antenna array of polarizers with a linear partition is proposed, which provides the required energy and polarization characteristics of the antenna array of radio date communication of target information installed on-board the spacecraft. Numerical modeling of the element and the antenna array is carried out. The influence of the element design parameters on the directional characteristics and frequency characteristics is determined. The methods of synthesis of the radiation pattern of a multi-element antenna array and the issues of its practical implementation are considered.