Electrodynamic Modeling of a Four-Section Phased Antenna Array with a Wide Bandwidth and Provision of this Distributed Power Supply

This article is devoted to promising methods of detection of unmanned aerial vehicles by phased antenna array with a wide bandwidth and providing distributed power supply of this array using a controller in the power supply circuits. Range extension of this phased antenna array is achieved by differentiating the antenna web into sub-bands to which a particular antenna section corresponds. This method allows the antenna to work on aerodynamic targets of different configurations and having different effective scattering surface. In contrast to the modeling described in articles [1], [2] modeling of the proposed antenna was carried out in the frequency range of 1 GHz – 2 GHz. The antenna circuit uses a single power supply and a controller that allows the antenna sections to operate algorithmically depending on the type of target, target acquisition, acquisition reset, etc. The developed antenna can be used both in military and space technology, but when used in space technology, there will be problems, the impact of rocket engine plasma on the electromagnetic radiation of the antenna as it was described in the article [3], but the analysis of the use of short radio pulse [4] shows that this problem is solvable. In this paper, electrodynamic modeling of frequency characteristics of the radiators of a four-section phased antenna array is carried out.