Abstract
It is of interest to study slot spiral radiators as part of a phased array with structural elements in the form of multi-layer dielectrics that make up a multilayer substrate and a spiral cover, which, by changing the parameters of a multilayer dielectric, can significantly change the frequency properties of the radiator and its overall dimensions. The purpose of the work is to develop a mathematical model for a phased array in the form of a periodic structure with slotted spiral radiators using multilayer dielectrics in the design, and its numerical analysis with the study of its frequency properties when choosing the topology of the spiral, the parameters of the dielectric layered medium, followed by determining the design dimensions of the spiral as an element of the phased antenna arrays. A mathematical model of a phased array is presented in the form of a periodic structure with slotted radiators using multi-layer dielectrics in the design. The method is based on the conversion of the electrodynamic problem of excitation to an integral equation with its subsequent transformation to a one-dimensional Fredholm integral equation of the first kind. The directional and polarization characteristics of the phased antenna arrays element are determined, and a numerical analysis of its frequency properties is carried out.
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