| 摘要 |
An antenna structure includes an omnidirectional broadband planar dipole antenna including a first electrically conductive disc defining a first dipole antenna element, and a second electrically conductive disc defining a second dipole antenna element in parallel with and spaced apart from the first dipole antenna element. A dual-line antenna feed structure may be connected to the planar dipole antenna and includes a first conductor electrically connected to the first conductive disc adjacent a peripheral edge thereof, and a second conductor electrically connected to the second conductive disc adjacent a peripheral edge thereof. The planar antenna may provide vertical polarization transmission and reception, and it may not require a ground plane. The antenna may use printed circuit construction like microstrip patch antennas. Operation may provide a single band antenna of broad bandwidth, a multiple band antenna, or any combination thereof. Responses may include single, multiple, or the Chebyshev polynomial tuning.
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