Novel reflectarray element with variable phase characteristics

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Novel reflectarray element with variable phase characteristics

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The paper describes a novel dipole reflectarray element with variable reflection phase. The element is described and array waveguide simulator measurement data demonstrating its phase shifting properties is presented. The element was developed originally as a mechanism for antenna pattern tuning of a fixed-beam crossed-dipole reflectarray. However, it might also be applied, using small electric motors, to achieve electronic scanning or active beam reshaping. These potential applications are discussed briefly.

Inspec keywords: phase shifters; antenna radiation patterns; dipole antenna arrays; scanning antennas; waveguide antenna arrays

Other keywords: array waveguide simulator measurement data; variable phase characteristics; antenna pattern tuning; dipole reflectarray element; fixed-beam crossed-dipole reflectarray; variable reflection phase; electronic scanning; phase shifting properties; active beam reshaping; reflectarray element

Subjects: Antenna arrays

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