Space wave radiation efficiency of a wraparound antenna and the effect of surface wave radiation due to the dielectric substrate truncation

A theoretical study of the problem of excitation of surface waves in wraparound microstrip antennas is presented. The surface waves are obtained by using a contour integral in the complex plane. The surface-wave energy loss in the antenna truncation region is partially radiated and interfaces with t...

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Veröffentlicht in:	IEEE transactions on antennas and propagation 1990-06, Vol.38 (6), p.934-938
Hauptverfasser:	Soares, A.J.M., Fonseca, S.B.A., Giarola, A.J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic scattering Antennas Antennas and propagation Applied sciences Electromagnetic scattering Exact sciences and technology Filtering Interference suppression Multiple signal classification Radiocommunications Signal processing algorithms Signal resolution Spatial resolution Surface waves Telecommunications Telecommunications and information theory
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Zusammenfassung:	A theoretical study of the problem of excitation of surface waves in wraparound microstrip antennas is presented. The surface waves are obtained by using a contour integral in the complex plane. The surface-wave energy loss in the antenna truncation region is partially radiated and interfaces with the space wave. The radiation efficiency and the effect of the dielectric substrate truncation of the antenna radiation pattern are shown as functions of antenna dimensions and for two values of substrate dielectric constants.< >
ISSN:	0018-926X 1558-2221
DOI:	10.1109/8.55594