Zobrazeno 1 - 10
of 253
pro vyhledávání: '"Yong Bae Park"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract This paper presents a novel single-layer, single-sided, dual-wideband linear-to-circular (LTC) polarsation converter. The unit cell of the polarisation converter comprises two identical diagonally oriented C-shaped metallic strips arranged s
Externí odkaz:
https://doaj.org/article/52c270fa66294a38b407c976a7fe303e
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 24, Iss 4, Pp 331-340 (2024)
This study examined a flexible composite wideband dipole antenna implemented with conductive silver nanoparticle ink having different conductivities. Two identical split ring resonators (SRRs) were designed to encompass each arm of a dipole element,
Externí odkaz:
https://doaj.org/article/9d6b7bb23e6d4404ae0acf3ba5601cef
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract This study presents the design of a uniplanar crossed-dipole antenna with broadband characteristics. The antenna comprises a pair of identical crossed-dipole arms printed on the same plane of a dielectric substrate. The crossed-dipole arms a
Externí odkaz:
https://doaj.org/article/758e27421849403da9e524209b90dd7e
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 6, Pp 1838-1846 (2024)
A wideband ultra-low-profile Yagi-Uda type of solar-cell integrated antenna is presented. The proposed antenna consists of a driver, reflector, and director, and is also designed to function as a solar cell. An ultra-low-profile copper indium gallium
Externí odkaz:
https://doaj.org/article/c63211af2d8647cd86b80ba635624444
Publikováno v:
IEEE Access, Vol 12, Pp 120337-120346 (2024)
This paper presents an ultra-thin, ultra-wideband linear-to-circular (LTC) polarization converter based on the crossed-dipole-shaped metasurface. The unit cell of the crossed-dipole-shaped metasurface is made up of two identical T-shaped dipole arms,
Externí odkaz:
https://doaj.org/article/8678c2818eed4475b3395fedfa312165
Publikováno v:
IEEE Access, Vol 12, Pp 116105-116113 (2024)
This work introduces a refined technique for the estimation of films permittivity within the Ka-band using free-space measurement method. Addressing the challenge of wrong solutions in permittivity estimation, our approach incorporates a frequency-de
Externí odkaz:
https://doaj.org/article/77a5ab3a9e3a4fceaf8b0c5300f1d8ff
Publikováno v:
IEEE Access, Vol 12, Pp 78825-78832 (2024)
In this paper, a method for power distribution control in communication-free multiple-input and multiple-output (MIMO) wireless power transfer (WPT) through load impedance and mutual inductance estimation is proposed. The proposed method intentionall
Externí odkaz:
https://doaj.org/article/3f41474a722f4b07986247cd759a61f0
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 23, Iss 2, Pp 109-121 (2023)
This paper presents a high-gain wideband circularly polarized antenna composed of an end-fire dipole array antenna integrated with a metasurface. The antenna consists of a two-layer cascaded non-uniform metasurface made up of 4 × 4 circular patches
Externí odkaz:
https://doaj.org/article/33eadc4b64cf4f908d19953d4df4bdbb
Autor:
Seokjoo Cho, Hyeonseok Han, Hyunwoo Park, Sung-Uk Lee, Jae-Hwan Kim, Sung Woo Jeon, Mengqiu Wang, Raudel Avila, Zhaoqian Xi, Kabseok Ko, Minsu Park, Jungyup Lee, Myungwoo Choi, Je-Sang Lee, Weon Gi Min, Byeong-Ju Lee, Soyeong Lee, Jungrak Choi, Jimin Gu, Jaeho Park, Min Seong Kim, Junseong Ahn, Osman Gul, Chankyu Han, Gihun Lee, Seunghwan Kim, Kyuyoung Kim, Jeonghyun Kim, Chang-Mo Kang, Jahyun Koo, Sung Soo Kwak, Sungbong Kim, Dong Yun Choi, Seokwoo Jeon, Hyung Jin Sung, Yong Bae Park, Minkyu Je, Young Tae Cho, Yong Suk Oh, Inkyu Park
Publikováno v:
npj Flexible Electronics, Vol 7, Iss 1, Pp 1-15 (2023)
Abstract Individuals who are unable to walk independently spend most of the day in a wheelchair. This population is at high risk for developing pressure injuries caused by sitting. However, early diagnosis and prevention of these injuries still remai
Externí odkaz:
https://doaj.org/article/b918b8b7b3f54da3b4fba32e7e335628
Publikováno v:
IEEE Access, Vol 11, Pp 140815-140825 (2023)
In this paper, we introduce a 3-D printed lattice core for wide-angle scanning radome operating in the X-band. We explain the fundamental design methodology of the sandwich structure for radome and outline the technique to represent the 3-D printed c
Externí odkaz:
https://doaj.org/article/e84f71f6be444465ab70cfb5a3d67683