Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Daeun Yu"'
Autor:
Daeun Yu, Sun-Yong Choi
Publikováno v:
Axioms, Vol 12, Iss 6, p 538 (2023)
Stock price prediction is a significant area of research in finance that has been ongoing for a long time. Several mathematical models have been utilized in this field to predict stock prices. However, recently, machine learning techniques have demon
Externí odkaz:
https://doaj.org/article/65f1a3269606462b97d256a1359d841d
Publikováno v:
Diversity, Vol 14, Iss 5, p 414 (2022)
Amphibians are the most threatened vertebrate group on earth, and one of the reasons for their decline is habitat loss. While some populations have persisted in agricultural wetlands such as rice paddies, the current anthropisation of landscapes is d
Externí odkaz:
https://doaj.org/article/39ee90d122db4a3dbe8526ac78eab96d
Publikováno v:
International Journal of Distributed Sensor Networks, Vol 10 (2014)
In order to construct an efficient wireless sensor system, it is necessary to increase the lifetime of its battery-operated sensor nodes. To this end, a wireless body sensor system adopts a transmission power control (TPC) mechanism. However, existin
Externí odkaz:
https://doaj.org/article/2e55258db54e4229b2b02c623cd59816
Autor:
In-Sun Jung, Dongmin Im, Hyoyoung Lee, Hyangsook Lee, Daeun Yu, Yun Dongjin, Mokwon Kim, Hyuk Jae Kwon, Do-Young Kim, Jaeduck Jang, Jung-Hwa Kim, Hyunju An, Sunjung Byun
Publikováno v:
Journal of Materials Chemistry A. 7:10397-10404
A graphene-based porous electrode for a lithium–oxygen (Li–O2) battery is investigated for use in next generation energy storage systems. The porosity of the cathode electrode in Li–O2 batteries is a key factor in increasing their oxygen diffus
Autor:
Kritnipit Phetanan, Seok Min Hong, Daeun Yun, Jiye Lee, Srilert Chotpantarat, Heewon Jeong, Kyung Hwa Cho
Publikováno v:
Journal of Hydrology: Regional Studies, Vol 53, Iss , Pp 101820- (2024)
Study region: Chao Phraya River Basin—a major river with unique characteristics located in Thailand. Study focus: This study sought to simulate the flow rates in the Chao Phraya River Basin, which is a tidal river that poses challenges to tradition
Externí odkaz:
https://doaj.org/article/50341ab748834318a5783bee8ebba541
Autor:
Soobin Kim, Eunhee Lee, Hyoun-Tae Hwang, JongCheol Pyo, Daeun Yun, Sang-Soo Baek, Kyung Hwa Cho
Publikováno v:
Water Research X, Vol 23, Iss , Pp 100228- (2024)
The impacts of climate change on hydrology underscore the urgency of understanding watershed hydrological patterns for sustainable water resource management. The conventional physics-based fully distributed hydrological models are limited due to comp
Externí odkaz:
https://doaj.org/article/063d63498a4449dd9933095d5677b59b
Publikováno v:
International Journal of Future Generation Communication and Networking. 9:257-268
The battery of a sensor node in a wireless body sensor network is small, and therefore has a short lifetime. In consequence, intensive research is being conducted on schemes to efficiently utilize the energy of a sensor node. This paper proposes a ne
Publikováno v:
Journal of Internet Computing and Services. 16:11-17
In the general transmission power control model that is used for wearable sensor systems, if RSSI value gets out of the Target RSSI Margin, then the sink node finds new transmission power by using TPC(Transmission Power Control) Algorithm. At this ti
Publikováno v:
International Journal of Multimedia and Ubiquitous Engineering. 9:197-208
With advancements in network technologies, network virtualization has been proposed to efficiently provide a large number of services and flexible management by utilizing limited resources over existing networks as much as possible. Network virtualiz
Publikováno v:
Advanced Science and Technology Letters.
In this paper, we introduce the power saving techniques which can be used in the wireless body sensor network systems. In the wireless body sensor network systems, there are representatively two power saving techniques: transmission power control and