Abstract
The characteristics of multi-beam antennas with a wide angle of view based on planar bifocal two-mirror, mirror-lens and lens systems with optimized parameters are studied using numerical simulation by the finite element method and in the Kirchhoff approximation. The characteristics of a multi-beam antenna based on a three-dimensional dielectric bifocal lens are calculated in the Kirchhoff approximation. The dependence of the gain on the angle of view of a multi-beam antenna prototype based on a planar bifocal dielectric lens has been measured.
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