Calculation of radio engineering characteristics of the radome from the multicomponent material impregnated with water

Abstract

Using for the solution of a problem of passing of a flat wave through a wall of an antenna radome electrodynamic model and representing wall material as multicomponent mix, assessment of influence of water on frequency radio engineering characteristics of the antenna radome system is carried out. Water, having at ultrahigh frequencies high dielectric permeability and big size of dielectric losses in comparison with radome wall material, considerably distorts the field of the falling wave at hit on a surface or in a radome wall body. As material of a wall of a radome the quartz ceramics with the time filled with air was considered. It is experimentally defined that water is in a material time in liquid state. Water was represented how the additional component which is evenly distributed on thickness in a time to quartz ceramics. The carried-out model calculations showed that introduction of water to material of a wall of a radome leads not only to reduction of level of coefficient of passing of an electromagnetic wave through a wall, but also to noticeable shifts on the frequency of radio engineering characteristics of the antenna-radome system.