Zobrazeno 1 - 10
of 183
pro vyhledávání: '"Jong Hwa Kwon"'
Autor:
Jong Hwa Kwon, Hyun Ho Park
Publikováno v:
AIP Advances, Vol 14, Iss 1, Pp 015050-015050-5 (2024)
This paper proposes a multilayered panel consisting of conducting and absorbing layers to improve the shielding performance of conducting panels, which is severely reduced by unintentional openings or gaps in the conducting plates of shielding enclos
Externí odkaz:
https://doaj.org/article/610aad5080d44354842dbb61b14a6e92
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 23, Iss 3, Pp 266-274 (2023)
In this paper, an equivalent circuit model of a double-exponential pulse generator is proposed for use as a time-domain noise source in high-altitude electromagnetic pulse (HEMP) conducted disturbance immunity testing. The analytic relationship betwe
Externí odkaz:
https://doaj.org/article/4f12d1175f7f41f48560d5e6e0f78a4f
Autor:
Han-Hee Lee, Jung-Hwan Lim, Jae Wook Lee, Jong Hwa Kwon, Jung-Hwan Hwang, Chang Hee Hyoung, Hyun Ho Park
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 23, Iss 3, Pp 212-223 (2023)
In this paper, we propose a theoretical approach to estimate the power level of electromagnetic waves radiated into a structure by a specific external source. The target structure is a multistory building on a university campus that is used primarily
Externí odkaz:
https://doaj.org/article/eab01743d74e41b6ab885cbd13792adf
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 20, Iss 1, Pp 45-52 (2020)
In this paper, electromagnetic wave analysis was performed efficiently in a large structure using the theoretical method. While taking into consideration the important assumptions of the employed theoretical method, we created an environment for meas
Externí odkaz:
https://doaj.org/article/b4dd24a9ee814cc780dee2db5558cbcd
Autor:
Kyung-Hwa Choi, Mina Ha, Eunae Burm, Eun-Hee Ha, Hyesook Park, Yangho Kim, Ae-Kyoung Lee, Jong Hwa Kwon, Hyung-Do Choi, Nam Kim
Publikováno v:
International Journal of Occupational Medicine and Environmental Health, Vol 29, Iss 6, Pp 959-972 (2016)
Objectives: To evaluate prenatal exposure to radiofrequency radiation (RFR) from telecommunication using a mobile phone questionnaire, operator data logs of mobile phone use and a personal exposure meter (PEM). Material and Methods: The study include
Externí odkaz:
https://doaj.org/article/314402e47bc541d09a1858f1b72fb95e
Autor:
Yong Min Cho, Hee Jin Lim, Hoon Jang, Kyunghee Kim, Jae Wook Choi, Chol Shin, Seung Ku Lee, Jong Hwa Kwon, Nam Kim
Publikováno v:
Environmental Health and Toxicology, Vol 32 (2016)
The duration and frequency of mobile phone calls, and their relationship with various health effects, have been investigated in our previous cross-sectional study. This 2-year period follow-up study aimed to assess the changes in these variables of s
Externí odkaz:
https://doaj.org/article/04edae3daf074b239d8c80e2b3397b02
Autor:
Yong Min Cho, Hee Jin Lim, Hoon Jang, Kyunghee Kim, Jae Wook Choi, Chol Shin, Seung Ku Lee, Jong Hwa Kwon, Nam Kim
Publikováno v:
Environmental Health and Toxicology, Vol 31 (2016)
Objectives This study analyzed the associations between mobile phone call frequency and duration with non-specific symptoms. Methods This study was conducted with a population group including 532 non-patient adults established by the Korean Genome an
Externí odkaz:
https://doaj.org/article/02d38abfd60a4ce5902e49b5801ef407
Autor:
Karam Hwang, Jaeyong Cho, Dongwook Kim, Jaehyoung Park, Jong Hwa Kwon, Sang Il Kwak, Hyun Ho Park, Seungyoung Ahn
Publikováno v:
Energies, Vol 10, Iss 3, p 315 (2017)
This paper proposes an autonomous coil alignment system (ACAS) for electric vehicles (EVs) with dynamic wireless charging (DWC) to mitigate the reduction in received power caused by lateral misalignment between the source and load coils. The key comp
Externí odkaz:
https://doaj.org/article/2f13d0a7da874904b48dbf252448f9c1
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 33:753-762
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10bc5e5072ade277ff59c906b159c304
https://doi.org/10.5515/kjkiees.2022.33.10.753
https://doi.org/10.5515/kjkiees.2022.33.10.753
Publikováno v:
IEEE Transactions on Electromagnetic Compatibility. 64:1708-1717
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3aa97568c81a2df1c49a8f32f4fe749
https://doi.org/10.1109/temc.2022.3199074
https://doi.org/10.1109/temc.2022.3199074