Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Yong-Hyun Nam"'
Publikováno v:
Sensors, Vol 24, Iss 13, p 4346 (2024)
In this paper, two orthogonally placed Vivaldi antennas with a septum-like polarizer to generate circular polarized (CP) waves are presented. Septum polarizers have garnered attention due to their simple structure and high quality of CP waves. While
Externí odkaz:
https://doaj.org/article/c15b9e96069c4c5d9d256791511b37d8
Publikováno v:
IEEE Access, Vol 11, Pp 6299-6304 (2023)
A hybrid reflectarray antenna (RA) composed of passive and active unit cells that can steer a beam into two selected directions with high aperture efficiencies is designed and experimentally verified. The hybrid RA is implemented by a combination of
Externí odkaz:
https://doaj.org/article/0df4358a4e20481e95bd9e9b0dbb2fc0
Autor:
Ohdo Kwon, Sunghyun Moon, Yeojun Yun, Yong-hyun Nam, Nam-heon Kim, Donghwan Kim, Wonjin Choi, Sungjun Park, Jaejin Lee
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-7 (2023)
Abstract Recently, biocompatible optical sources have been surfacing for new-rising biomedical applications, allowing them to be used for multi-purpose technologies such as biological sensing, optogenetic modulation, and phototherapy. Especially, ver
Externí odkaz:
https://doaj.org/article/fb32d593dfde48ba8f8e67ba25a3e2e0
Publikováno v:
IEEE Access, Vol 10, Pp 103223-103229 (2022)
A wide-angle reconfigurable reflectarray antenna (RRA) utilizing a miniaturized ring patch that can be efficiently controllable with a single bit is designed and experimentally verified. Based on the adoption of miniaturized radiating element and the
Externí odkaz:
https://doaj.org/article/4b811c1f45d84153bbfd1a2db1b24686
Publikováno v:
Sensors, Vol 21, Iss 4, p 1431 (2021)
The development of biomedical devices benefits patients by offering real-time healthcare. In particular, pacemakers have gained a great deal of attention because they offer opportunities for monitoring the patient’s vitals and biological statics in
Externí odkaz:
https://doaj.org/article/33a86df2a56f42e7a84bf04e1da3ae8e
Publikováno v:
2022 International Symposium on Antennas and Propagation (ISAP).
Publikováno v:
2022 International Symposium on Antennas and Propagation (ISAP).
Autor:
Min Ha Hong, Yong Hyun Nam
Publikováno v:
Journal of The Korean Society of Illustration Research. 65:149-158
Autor:
Bum Suk Chai, Yong Hyun Nam
Publikováno v:
Journal of The Korean Society of Illustration Research. 65:101-110
Autor:
Mei Tong Li, Yong Hyun Nam
Publikováno v:
Journal of The Korean Society of Illustration Research. 64:57-66