作者: M. Ettorre , S. Bruni , G. Gerini , A. Neto , N. Llombart
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摘要: This letter proposes a new topology of antenna based on the use planar circularly symmetric electromagnetic band gap (PCS-EBG) with different periodicities. These periodicities are used to impose propagation velocities dominant surface waves zones same dielectric substrate. The control dispersion characteristics guides design together definition centered feed suitable excite waves. One prototype has been designed, manufactured and tested prove concept.