A broad-band U-slot rectangular patch antenna on a microwave substrate

A broad-band U-slot rectangular patch antenna on a microwave substrate

A broad-band U-slot rectangular patch antenna printed on a microwave substrate is investigated. The dielectric constant of the substrate is 2.33. The antenna is fed by a coaxial probe. The characteristics of the U-slot patch antenna are analyzed by the finite-difference time-domain (FDTD) method. Ex...

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Veröffentlicht in:IEEE transactions on antennas and propagation 2000-06, Vol.48 (6), p.954-960
Hauptverfasser: Kin-Fai Tong, Kwai-Man Luk, Kai-Fong Lee, Lee, R.Q.
Format: Artikel
Sprache:eng
Schlagworte:
Antenna radiation patterns
Antennas
Bandwidth
Coaxial components
Dielectric constant
Dielectric substrates
Finite difference method
Finite difference methods
Finite difference time domain method
Impedance
Mathematical analysis
Mathematical models
Microwaves
Patch antennas
Probes
Time domain analysis
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Beschreibung
Zusammenfassung:A broad-band U-slot rectangular patch antenna printed on a microwave substrate is investigated. The dielectric constant of the substrate is 2.33. The antenna is fed by a coaxial probe. The characteristics of the U-slot patch antenna are analyzed by the finite-difference time-domain (FDTD) method. Experimental results for the input impedance and radiation patterns are obtained and compared with numerical results. The maximum impedance bandwidth achieved is 27%, centered around 3.1 GHz, with good pattern characteristics.
ISSN:0018-926X
1558-2221
DOI:10.1109/8.865229