Remote Characterization of Small Antennas Using Waveguide

被引：0
|
作者：
Hasani, Hamed [1 ]
机构：
[1] Sivantos GmbH, Erlangen, Germany
来源：
2020 14TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP 2020) | 2020年
关键词：
small antennas; waveguide; radiation efficiency; input impedance; IMPEDANCE;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new method is introduced for remote (i.e., cable-less, indirect) estimation of radiation efficiency and input impedance of electrically small antennas (ESA) by placing them inside a rectangular waveguide with dominant TE 10 mode. The estimation is carried out using the scattered field from ESA when it is terminated with three different impedances. Input impedance and radiation efficiency are then calculated using the obtained complex scattering values. In addition, the paper discusses the relationship between the obtained ESA parameters inside the waveguide to those in free-space. The method has been verified by simulations on two different ESAs in the frequency range of 2 to 3 GHz.
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页数：4
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