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Broadband Rotary Joint Concept for High-Power Radar Applications
被引：0
作者：
Daniel Haas
Manfred Thumm
John Jelonnek
机构：
[1] Karlsruhe Institute of Technology (KIT),IHM
[2] Karlsruhe Institute of Technology (KIT),IHE
来源：
Journal of Infrared, Millimeter, and Terahertz Waves
|
2021年
/
42卷
关键词：
High-power microwave;
Corrugated waveguide;
Transmission line;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
To allow antenna movements in azimuth and elevation in high-power radar applications, rotary joints are essential. They allow the rotation of a transmission line and therefore are important transmission line components. In the present paper, a broadband rotary joint concept for high-power W-band radar applications is proposed. To avoid a twist of the polarization plane of a linearly polarized mode, like HE11, a combination of two broadband polarizer is used. A cross polarization of Xpol ≤ − 20 dB can be achieved within the considered frequency range from 90 GHz to 100 GHz. This corresponds to a suitable value for radar applications.
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页码：107 / 116
页数：9
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