| 摘要 |
A broadband antenna including a conductive disc parallel to and spaced from a ground plane with dielectric material therebetween, the disc including a first sector of approximately 270 DEG having a first diameter and the remaining sector having a second diameter different from the first so that the equivalent resonant structure of the antenna is essentially detuned to broaden the bandwidth thereof, and a cylindrical array of such antennas for providing a desired radiation pattern, generally omnidirectional.
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