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http://dx.doi.org/10.7236/JIIBC.2018.18.6.69

Effects of Mesh Structure Variations of Meshed Ground on Microstrip Comb Array Antenna  

Ki, Hyeon-Cheol (Dept. of Electronic Engineering, Gachon University)
Publication Information
The Journal of the Institute of Internet, Broadcasting and Communication / v.18, no.6, 2018 , pp. 69-74 More about this Journal
Abstract
In this paper, We investigated the effects of mesh structure variations of meshed ground on MCAA(Microstrip Comb Array Antenna). First, we designed MCAA in 24GHz ISM band and we investigated the variations of the gain and the SLL(Side Lobe Level) of the MCAA as we varied the mesh structure of the meshed ground. We varied two variables, mesh size and unfilled rato, which is defined as no metal area ratio in mesh for the investigation. We investigated two types of MCAA. Those are flat MCAA composed of flat radiator and tapered MCAA composed of tapered radiator. Both the antenna gains of flat MCAA and tapered MCAA are decreased as the unfilled rato increased. However, increase of mesh size made more dramatic decrease in antenna gain than increase of unfilled rato. The antenna SLL showed similar trend. But tapered MCAA affected more severely by variation of mesh size than flat MCAA.
Keywords
meshed conductor; meshed GND; MCAA; array antenna; side lobe;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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