The probe-fed zonal slot antenna cut onto a cylindrical conducting cavity

A zonal slot antenna cut onto a cylindrical cavity is investigated in this paper. An L-probe is placed inside the cavity to feed the antenna efficiently. Ansoft HFSS is used to simulate the input impedance, radiation pattern, and antenna gain of the antenna. It is found that design of the antenna is...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2005-12, Vol.53 (12), p.3949-3952
Main Authors: Leung, Kwok Wa, Chan, Lai Yin
Format: Article
Language:English
Subjects:
Antenna measurements
Antenna radiation patterns
Antennas
Antennas and propagation
Applied sciences
Cylindrical cavity
Dielectric resonator antennas
Engine cylinders
Exact sciences and technology
Feeds
Frequency estimation
Impedance
L-probe
Radiocommunications
Resonant frequency
slot antenna
Slot antennas
Telecommunications
Telecommunications and information theory
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Summary:A zonal slot antenna cut onto a cylindrical cavity is investigated in this paper. An L-probe is placed inside the cavity to feed the antenna efficiently. Ansoft HFSS is used to simulate the input impedance, radiation pattern, and antenna gain of the antenna. It is found that design of the antenna is very easy and simple. The resonant frequency is predominantly controlled by the cavity radius, whereas the impedance match can easily be obtained by varying the cavity height and/or the parameters of the L-probe. Measurements were carried out to verify the simulations, and reasonable agreement between them is found.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2005.859997