Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Cheol-Min Seong"'
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 26:758-764
Autor:
Dong-Chul Park, Cheol-Min Seong
Publikováno v:
Microwave and Optical Technology Letters. 57:1173-1176
Investigations on an enhanced adaptive genetic algorithm (EAGA) for pattern synthesis of a conformal array are presented. The proposed algorithm uses the advantages of the adaptive genetic algorithm (AGA) and the invasive weed optimization so that it
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 25:592-600
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 23:661-668
In this paper, a dual-fed small ICS repeater antenna with high isolation is designed, fabricated, and measured. Bandwidth and gain are optimized by changing the stub lengths near main patch and power divider, and also by changing the size of parasiti
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 23:652-659
Shielding effectiveness(SE) of metallic rectangular enclosure with rectangular slit apertures at horizontal polarization (HP) and vertical polarization(VP) is investigated. The magnetic polarizability of the rectangular slit apertures and the resonan
Autor:
Dong-Chul Park, Cheol-Min Seong
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 21:1121-1127
This paper describes the equivalent circuit of layer, one of , , and phase shift layers, which are needed for X-band Radant lens 4-bit phase shifter. The equivalent circuit is extracted by comparing the CST`s MWS results with the Agilent`s ADS result
Publikováno v:
2013 Asia-Pacific Microwave Conference Proceedings (APMC).
Investigations on conformal phased array pattern synthesis using adaptive genetic algorithm are presented. The array antenna is assumed to be located on a curved surface with quadratic function. In order to get a desired pattern with low sidelobe lev
Autor:
Cheol Min Seong, Dong-Chul Park
Publikováno v:
Proceedings of 2012 5th Global Symposium on Millimeter-Waves.
In this paper, the design procedure of the 2–18 GHz and the 18–40 GHz cavity-backed spiral antenna is described. By varying the antenna parameters the VSWR and the axial ratio characteristics of the antenna are investigated. For the 2–18 GHz sp