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This document summarizes a research article that presents a novel wideband circularly polarized antenna design based on a Vivaldi antenna structure. The proposed antenna consists of four exponentially tapered metal patches arranged in a circular pattern with a feed network. Simulation results show the antenna achieves a 3dB axial ratio bandwidth of 41.4% and 10dB impedance bandwidth of 57.3%, demonstrating wideband circular polarization performance. The compact design reduces the antenna size to 0.97λ×0.97λ

Author

Dr-Gurpreet Kumar

Language

EN