Characterizing the Electric Field Ripple in Reflector Antennas Using Subsampled Exponential Analysis

Reflector antennas often exhibit frequency ripples in key performance metrics, including aperture efficiency and antenna noise temperature. These ripples stem from corresponding fluctuations in the electric field pattern, due to interference between fields radiated, reflected, or diffracted by the f...

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Veröffentlicht in:	IEEE transactions on antennas and propagation 2024-07, Vol.72 (7), p.5511-5519
Hauptverfasser:	Weideman, Rina-Mari, Cuyt, Annie, de Villiers, Dirk I. L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antenna measurements Antenna noise temperature Aperture antennas aperture efficiency Apertures Computational modeling Diffraction patterns Directive antennas Electric fields Fourier transforms Noise Noise temperature Pattern analysis Performance measurement Reflector antennas Reflectors Ripples Sampling Temperature Temperature measurement
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