Design and Analysis of an Axisymmetric Phased Array Fed Gregorian Reflector System for Limited Scanning
MIT Lincoln Laboratory Lexington United States
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An axisymmetric phased array fed confocal parabolic Gregorian reflector system is explored. The antenna utilizes a planar phased array located near the vertex of the primary reflector. Numerical electromagnetic simulations based on the multilevel fast multipole method MLFMM were used to analyze and optimize the antenna parameters for limited scanning. Simulations of the scanning performance of a dual reflector system with a 2 meter diameter primary reflector operating at Ku band are presented.
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