Research of the matching layer influence on the characteristics of scanning antenna based on multilayer dielectric
Stankovsky A. V.1, Strigova E. A.1, Polenga S. V.1, Salomatov Yu. P.1
1Siberian Federal University, Krasnoyarsk, Russia
Email: stankovskiy_a@mail.ru
The paper presents the results of studying the influence of matching layers on reflection coefficient S11 of a scanning antenna based on multilayer dielectric structures. In view of minimizing return losses, the use of different matching layers in the scanning antenna is considered. It is shown that the two-layer structure provides a wider matching bandwidth than the single-layer one (by 7.4% at the S11 level no more than -13 dB). The S11 level is not higher than -13 dB in the frequency band of 10.7-12.7 GHz for the deflecting structure with two matching layers and not higher than -17 dB for the scanning antenna. Keywords: antenna system, matching layer, mechanoelectrical scanning, artificial dielectric.
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