Abstract: This paper presents a novel and insightful approach to beamforming a $2\times 2$ antenna array using the theory of characteristic modes. The array comprises four rectangular patch antenna ...
Abstract: The cross phase (CP) opens up a new horizon for the generation and measurement of vortex beams, and the conversion between Hermite-Gaussian (HG) and Laguerre-Gaussian (LG) modes can be done ...
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