Offset spherical dual-reflector antenna |
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Authors: | Brown RC Clarricoats PJB Ramanujam P |
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Affiliation: | Queen Mary College, Department of Electrical & Electronic Engineering, London, UK; |
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Abstract: | The dual offset spherical reflector antenna offers the advantage of a circularly symmetric main reflector together with a subreflector possessing an axis of symmetry. These features could lead to significant cost reductions in manufacture compared to existing offset designs. Initial results of a parametric study, using physical optics, show that 64% efficiency is possible with a peak crosspolar level below ?35 dB, together with very low sidelobes. |
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