Numerical research of radomes with edge
K. M. Baskov
Applied Electrodynamics Institute of
Russian Academy of Sciences
The paper is received on on December
properties of antenna radomes with an edge are researched. It is shown that
"dark" area in wave front is formed because of the wave refraction while passing
the radome’s wall. It leads to a considerable rising of the side lobe
levels of the antenna pattern in the edge-perpendicular plane. The correction
procedures of this negative effect are suggested. It shows that the edge or other opaque elements of Radom made of a metamaterial with
effective permittivity close to unity, have low level field in the direction of
the shadow scattering. The research results presented in this article have been
reported at the International Conference "Radiation and scattering of
electromagnetic waves" (RSEMW 2015).
radome, edge, dielectric,
radiation pattern, permittivity, metamaterial.