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Cross-polarization and sidelobe suppression in dual linear polarization antenna arrays

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2 Author(s)
K. Woelder ; Dept. of Electromagnetic Syst., Tech. Univ. Denmark, Lyngby, Denmark ; J. Granholm

In recent years, there has been an increasing interest in dual linear polarization antennas for various purposes, e.g. polarimetric synthetic aperture radar (SAR) imaging. A key design goal for dual polarization antennas is to obtain a high cross-polarization suppression. When using standard techniques for improving the cross-polarization suppression in dual linear polarization antenna arrays undesired sidelobes appear. This paper describes the properties of some known cross-polarization suppression methods and presents a new method for obtaining high cross-polarization suppression and simultaneously avoiding undesired sidelobes

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IEEE Transactions on Antennas and Propagation  (Volume:45 ,  Issue: 12 )