150   Artículos

« Anterior     Página: 1 de 8     Siguiente »

 
en línea
Nabeel Ali Khan, Sadiq Ali and Kwonhue Choi    
An efficient direction of arrival estimation method is proposed. The proposed algorithm accurately estimates the instantaneous frequency of signals received by multiple sensors (array of sensors/antennas). The estimated instantaneous frequency is then us... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Qingzhu Wan, Yuan Bian and Yalan Chen    
With the proportion of air conditioners increasing gradually, they can provide a certain amount of frequency-controlled reserves for a micro-grid. Optimizing utilization of air conditioners and considering load response characteristics and customer comfo... ver más
Revista: Energies    Formato: Electrónico

 
en línea
Shuyuan Gao, Rongyi Ji, Yao Li, Chun Liu, Junkai Shi, Yingling Pan and Weihu Zhou    
Absolute distance measurement.
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Rosendo Lerma Villa, José Luis Reyes Araiza, José de Jesús Pérez Bueno, Alejandro Manzano-Ramírez and Maria Luisa Mendoza López    
Pervious concrete has great potential for use in many practical applications as a part of urban facilities that can add value through water harvesting and mitigating severe damage from floods. The construction and agricultural industries can take direct ... ver más
Revista: Infrastructures    Formato: Electrónico

 
en línea
Chenglei Lv, Qiushi Sun, Huifang Chen and Lei Xie    
Due to the relative motion between transmitters and receivers and the multipath characteristic of wideband underwater acoustic channels, Doppler and channel estimations are of great significance for an underwater acoustic (UWA) communication system. In t... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Naveed Ur Rehman Junejo, Mariyam Sattar, Saifullah Adnan, Haixin Sun, Abuzar B. M. Adam, Ahmad Hassan and Hamada Esmaiel    
In the past decades, researchers/scientists have paid attention to the physical layer of underwater communications (UWCs) due to a variety of scientific, military, and civil tasks completed beneath water. This includes numerous activities critical for co... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Rahmayati Alindra, Purnomo Sidi Priambodo and Kalamullah Ramli    
Light Fidelity (LiFi) technology has gained attention and is growing rapidly today. Utilizing light as a propagation medium allows LiFi to promise a wider bandwidth than existing Wireless Fidelity (WiFi) technology and enables the implementation of cellu... ver más
Revista: Journal of Low Power Electronics and Applications    Formato: Electrónico

 
en línea
Xinlei Qian, Xiaochao Wang, Xinghua Lu, Tianyu Zhang and Wei Fan    
The group velocity dispersion (GVD) occurring in the front end of high-power lasers is one of the primary factors leading to the conversion of frequency modulation (FM) to amplitude modulation (AM). In this paper, we propose a modified, active, closed-lo... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Xiaowei Cai, Zhihe Fu, Huangsheng Xie, Jiaxiang Xue, Duhan Ding, Ning Ou and Gang Zhou    
The coaxial cylindrical reactor with a rotary nozzle is proposed to be used as the plasma torch of the plasma cleaning machine. The phase-shifted full bridge series resonance circuit is used as the power circuit topology. Because the voltage source load ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Ant. Ardath Kristi, Bambang Susanto, Agus Risdiyanto, Agus Junaedi, Anwar Muqorobin, Noviadi Arief Rachman, Harjono Priyo Santosa     Pág. 75 - 91
Harmonic content is an important parameter in relation to the power generated by inverter. In power conversion technology of inverter, sinusoidal pulse width modulation (SPWM) is the most popular used by many researchers. The advantages of SPWM inverter ... ver más
Revista: Emitter: International Journal of Engineering Technology    Formato: Electrónico

 
en línea
Sung-Hyoun Cho and Seon-Chil Kim    
Interferential current (IFC) stimulation can alter pain perception. This study aimed to investigate the effects of IFC stimulation on motor cortex signals and observe how electroencephalography changes depend on IFC stimulation parameters. Forty-five hea... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Oleksandr Plakhtii,Volodymyr Nerubatskyi,Dmytro Sushko,Igor Ryshchenko,Vladyslav Tsybulnyk,Denys Hordiienko     Pág. 6 - 14
In order to minimize the reactive power and higher harmonics of currents, as well as to improve the electromagnetic compatibility of electrical traction networks and systems of railroad automation, modern electric rolling stock of alternating current emp... ver más
Revista: Eastern-European Journal of Enterprise Technologies    Formato: Electrónico

 
en línea
Beat Schäffer, Reto Pieren, Sabine J. Schlittmeier and Mark Brink    
Environmental noise from transportation or industrial infrastructure typically has a broad frequency range. Different sources may have disparate acoustical characteristics, which may in turn affect noise annoyance. However, knowledge of the relative cont... ver más

 
en línea
O. O. Hololobova,V. I. Havrilyuk     Pág. 7 - 17
Revista: Nauka ta Progres Transportu    Formato: Electrónico

 
en línea
Xiongmin Tang, Junhui Zhang, Zheng Liu and Miao Zhang    
This paper presents a novel switching frequency optimized space vector pulse width modulation (SVPWM) scheme for cascaded multilevel inverters. The proposed SVPWM is developed in a a'ß' coordinate system, in which the voltage vectors have only int... ver más
Revista: Energies    Formato: Electrónico

 
en línea
Meng Di Yin, Jeonghun Cho and Daejin Park    
The pulse-based charging method for battery cells has been recognized as a fast and efficient way to overcome the shortcoming of a slow charging time in distributed battery cells, which is regarded as a connection of cells such as the Internet of Things ... ver más
Revista: Energies    Formato: Electrónico

 
en línea
Shun Kojima,Kazuki Maruta,Chang-Jun Ahn     Pág. 332 - 339
Revista: Journal of Communications Software and Systems    Formato: Electrónico

 
en línea
Kihwan Moon, Tae-Woo Lee, Young Jin Lee and Soon-Hong Kwon    
We propose a plasmonic cavity using the cutoff frequency of a metal-insulator-metal (MIM) first-order waveguide mode, which has a deep subwavelength physical size of 240 × 210 × 10 (nm3) = 0.00013 ?03. The cutoff frequency is a unique property of the fir... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Shuai Zhang, Heng Wang, Yan Pan, Yun Shao, Tao Zhang, Wei Huang, Yang Li and Bingjie Xu    
Dual-polarization division multiplexing (DPDM) is considered to be a potential method to boost the secure key rate (SKR) of the continuous-variable quantum key distribution (CV-QKD) system. In this article, we propose a pilot alternately assisted local l... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Xue Li, Xiaolin Zeng and Linshan Xue    
For unmanned aerial vehicles (UAVs), high-precision measurement and high-speed communication are necessary to realize flight and operational missions. In this paper, we propose an integrated communication and measurement system in a Doppler frequency off... ver más
Revista: Drones    Formato: Electrónico

« Anterior     Página: 1 de 8     Siguiente »