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A novel planar ultra‐wideband antenna with hybrid shapes of the patch and the ground is presented. Simulation and measurement have been performed. A much wider impedance bandwidth has been achieved by the hybrid design for potential application in future UWB. The measured radiation patterns show good omnidirectional performance across the operation bandwidth. The modulation and distortion of the transmitted pulse are also shown.
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Pei et al. (2007) studied this question.
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