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http://dx.doi.org/10.5515/KJKIEES.2018.29.1.50

Broadband Multi-Layered Radome for High-Power Applications  

Lee, Ki Wook (LIG Nex1 Co., Ltd.)
Lee, Kyung Won (LIG Nex1 Co., Ltd.)
Moon, Bang Kwi (LIG Nex1 Co., Ltd.)
Choi, Samyeul (LIG Nex1 Co., Ltd.)
Lee, Wangyong (LIG Nex1 Co., Ltd.)
Yoon, Young Joong (Department of Electrical and Electronic Engineering, Yonsei University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.29, no.1, 2018 , pp. 50-60 More about this Journal
Abstract
In this paper, we developed a broadband multi-layered radome applicable for high-power applications. In this regard, we presented the wave propagation characteristics of the broadband multi-layered radome with the ABCD matrix and obtained the optimal thickness and the material constant for each layer by an optimization algorithm called "particle swarm optimization," implemented by a commercial numerical modeling tool. Further, we redesigned it in view of mechanical properties to reflect environmental conditions such as wind, snow, and ice. The power transmission property was reanalyzed based on the recalculated data of each layer's thickness to consider the limitations of the fabrication of a large structure. Under the condition of a peak electric field strength that is 10 dB above the critical electric field strength in air breakdown, we analyzed the air breakdown by radio frequency(RF) in the designed radome using the commercial full-wave electromagnetic tool. The radome was manufactured and tested by continuous wave(CW) RF small signal and large signal in an anechoic chamber. The test results showed good agreement with those attained by simulation.
Keywords
Broadband; High-Power; Breakdown; Multi-Layered; Radome;
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Times Cited By KSCI : 1  (Citation Analysis)
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