Dual-polarisation reflectarray made of cells with two orthogonal sets of parallel dipoles for bandwidth and cross-polarisation improvement
作者： Rafael Florencio , Jose Encinar , Rafael R. Boix , Gerardo Perez‐Palomino
DOI: 10.1049/IET-MAP.2014.0202
关键词:
摘要: A reflectarray antenna has been proposed to provide broadband operation, low cross-polarisation and independent beamforming in dual linear polarisation. The element consists of two orthogonal sets three coplanar parallel dipoles, where each set dipoles is used for controlling the phase-shift focused beam 40 cm designed, manufactured tested. According experimental results, shows a 27% bandwidth gain 32.9 dBi with variation 1 dB. efficiency better than 60% maximum crosspolar radiation levels are at least 30 dB below main co-polar both polarisations. In addition, it demonstrated that performance maintained when designed separate beams
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