Unit cell with flexible transmission phase slope for ultra-wideband transmitarray antennas
作者： S.H. Ramazannia Tuloti , P. Rezaei , F. Tavakkol Hamedani
DOI: 10.1049/IET-MAP.2018.5288
关键词:
摘要: Having studied the transmitarray antennas, it is found that cells depending on their location antenna aperture should have a specific slope in transmission phase diagram terms of frequency. The central cell has most negative slope, and as long centre farther away, frequency reduced. Therefore, ability to change unit essential. To validate proposed approach, by providing suitable cell, typical X-band with an size 20.55λ 0 2 at 10 GHz been designed, fabricated, tested. In order evaluate effect transmit array aperture, gain enhancement value calculated maximum 5.9 dBi 10.5 GHz 29.71% 1 dB bandwidth achieved.
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