|
|
|
|
|
Gwang Soo Kim, Yeonghwa Gwon, Eun Ji Oh, Dongsu Kim, Jae Hyun Kwon and Young Do Kim
Increases in algal growth have been reported in rivers, reservoirs, and other water resources worldwide, including Korea. Algal overgrowth can result in algal bloom, which has several negative impacts, such as ecosystem degradation and economic losses. M...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jae-Hyun An, Do-Youn Kwon, Kwon-Su Jeon, Maxim Tyan and Jae-Woo Lee
A critical drawback of battery-powered eVTOL UAVs is their limited range and endurance, and this drawback could be solved by using a combination of hydrogen fuel cells and batteries. The objective of this paper is to develop a sizing methodology for the ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Won Hee Kim, Young Jae Jang, Ja-Yeon Kim, Myungsoo Han, MinJae Kang, Kiyong Yang, Jae-Hyun Ryou and Min-Ki Kwon
Color-converted micro-LED displays consisting of mono-blue-colored micro LED arrays and color-conversion materials have been used to achieve full color while reliving the transfer and epitaxial growth of three different-colored micro LEDs. An efficient t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jae-Hyun Ro, Woon-Sang Lee, Hyun-Sun Hwang, Duckdong Hwang, Young-Hwan You and Hyoung-Kyu Song
This paper proposes an estimation scheme of the number iterations for optimal Gauss?Seidel (GS) pre-coding in the downlink massive multiple input multiple output (MIMO) systems for the first time. The number of iterations in GS pre-coding is one of the k...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dae-Hwan Park, Seung-Taek Oh and Jae-Hyun Lim
Ultraviolet B (UVB) in sunlight is known to promote health when humans are exposed to optimum sunlight. Proper exposure to ultraviolet B is essential to produce vitamin D in the body, which is a particularly important factor for health. However, there ha...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yiseul Park, Misol Oh and Jae Hyun Kim
We prepared well-dispersed ZnFe2O4 (ZFO) nanoparticles on a graphene sheet by a facile one-step hydrothermal method using glucose as a novel linker agent and low-cost graphene flake. It was found that the glucose linkage on graphene...
ver más
|
|
|
|
|
|
|
|
|
|
|
Won-Chang Kim, Min-Jae Paek, Jae-Hyun Ro and Hyoung-Kyu Song
This paper proposes an adaptive coordinated multi point (CoMP) scheme using pre-coding in order to improve the reliability of wireless communication systems based on orthogonal frequency division multiplexing (OFDM). In the conventional scheme, the recei...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jae-Hyun Ro, Sung-Soon Park and Hyoung-Kyu Song
|
|
|
|
|
|
|
|
|
|
|
Jae Hyun Lee, Konstadinos G. Goulias
Pág. 420 - 439
Using data of attitudes in the Puget Sound region we first identify predispositions in favor of car use (car loving persons and households) and distinguish them from other predispositions favoring other modes (transit and carsharing lovers). Then we expl...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jae-Hyun Han and Young-Cheol Lim
In this study, to achieve the constant current drive and brightness control without a separate pulse width modulation (PWM) converter, a single converter is designed and verified by experiment under the condition of a multiple LED light load with differ...
ver más
|
|
|
|
|
|