A Transient UWB Antenna Array Used with Complex Impedance Surfaces

A Transient UWB Antenna Array Used with Complex Impedance Surfaces

The conception of a novel Ultra-Wideband (UWB) antenna array, designed especially for transient radar applications through the frequency band (300 MHz–3 GHz), is proposed in this paper. For these applications, the elementary antenna must be compact and nondispersive, and the array must be able to st...

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Veröffentlicht in:International Journal of Antennas and Propagations 2010-01, Vol.2010 (2010), p.1-8
Hauptverfasser: Brishoual, M., Guillerey, R., Godard, A., Couderc, V., Jecko, B., Lalande, M., Desrumaux, L., Bertrand, V., Andrieu, J.
Format: Artikel
Sprache:eng
Schlagworte:
Antenna arrays
Antennas
Arrays
Beam steering
Fourier transforms
Frequency bands
Impedance
Radar
Spectrum allocation
Two dimensional
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Beschreibung
Zusammenfassung:The conception of a novel Ultra-Wideband (UWB) antenna array, designed especially for transient radar applications through the frequency band (300 MHz–3 GHz), is proposed in this paper. For these applications, the elementary antenna must be compact and nondispersive, and the array must be able to steer in two dimensions. The geometry of the elementary antenna and its radiation characteristics are presented. The array beam steering is analyzed and a technique making the increase of the transient front-to-back ratio possible is described.
ISSN:1687-5869
1687-5877
DOI:10.1155/2010/243145