| 摘要 |
An energy feed structure includes a first tube having an open end and a closed end, a second tube to pierce the closed end, and a solid dielectric material to cover the open end. An apparatus comprises a resonant element located in a first plane, a ground plane located in a second plane (typically spaced apart from and substantially parallel to the first plane), and an energy feed structure. A system comprises an apparatus, including a resonant element, a ground plane, and an energy feed structure, as well as a radio frequency connector having a center conductor electrically coupled to the feed structure. A method includes forming a ground plane, forming a planar resonant element, and forming an energy feed structure capable of passing through the ground plane and being capacitively coupled to the resonant element.
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