Search Results for author: Steven Ellingson

Found 2 papers, 0 papers with code

Open and Closed-Loop Weight Selection for Pattern Control of Paraboloidal Reflector Antennas with Reconfigurable Rim Scattering

no code implementations30 Aug 2023 R. Michael Buehrer, William W. Howard, Steven Ellingson

Second, since in many cases these weights require gains other than one, we develop a technique for determining unit-modulus weights so as to allow for surfaces which merely modify the phase of the scattered field, while substantially reducing the gain at arbitrary angles.

Design of Rim-Located Reconfigurable Reflectarrays for Interference Mitigation in Reflector Antennas

no code implementations29 May 2023 Jordan Budhu, Sean V. Hum, Steven Ellingson, R. Michael Buehrer

The design of a reflectarray which can be used to reconfigure a radio telescopes radiation pattern by driving a null to the angle of incoming interference is presented.

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