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A synoptic study of different superdirective endfire array concepts

Eine synoptische Betrachtung verschiedener Konzepte für Längsstrahler mit Optimalgewinn

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Contents

Under a synoptic viewpoint end-fire array concepts are presented by using Chebyshev and Legendre polynomials. The arrays are designed by different combinations of their coefficients. Directivity and half power beamwidth (HPBW) versus the array spacing as well as versus the side lobe level are given. Finally several examples for the Chebyshev and Legendre arrays and arrays based on products of Chebyshev as well as Legendre polynomials are presented.

Übersicht

Unter synoptischen Gesichtspunkten werden verschiedene Konzepte für Längsstrahler mit Über-Richtgewinn unter Verwendung von Tschebyschew-und Legendre-Polynomen vorgestellt. Die Gruppen ergeben sich hierbei mittels unterschiedlicher Kombinationen ihrer Koeffizienten. Es werden Richtgewinn und Halbwertsbreite (HPBW) in Abhängigkeit vom Elementabstand einerseits und vom Nebengipfelverhalten andererseits angegeben. Abschließend werden einige Beispiele vorgestellt sowohl für Tschebyschew-und Legendre-Arrays als auch für die Gruppen, die auf Produkten von Tschebyschew-sowie Lengendre-Polynomen basieren.

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Authors and Affiliations

  1. Dept. of Electrical Engineering, Democritus University of Thrace, 67100, Xanthi, Greece

    M. Chryssomallis

  2. Dept. of Physics, University of Thessaloniki, 54006, Thessaloniki, Greece

    J. N. Sahalos

Authors
  1. M. Chryssomallis
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  2. J. N. Sahalos
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Chryssomallis, M., Sahalos, J.N. A synoptic study of different superdirective endfire array concepts. Archiv f. Elektrotechnik 76, 469–476 (1993). https://doi.org/10.1007/BF01576027

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  • DOI: https://doi.org/10.1007/BF01576027

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