Results 21 to 30 of about 2,106,421 (258)

Resonant Mechanism for a Long-Distance Wireless Power Transfer Using Class E PA and GaN HEMT

Energies, 2023
This paper presents a study on long-distance wireless power transfer (WPT), which formulates the voltage gain in terms of the coupling coefficient between the power transmitting unit (PTU) and the power receiving unit (PRU) coils.
Ching-Yao Liu, Chih-Chiang Wu, Li-Chuan Tang, Yueh-Tsung Shieh, Wei-Hua Chieng, Edward-Yi Chang   +5 more
doaj   +1 more source

Scattering of Electromagnetic Waves on Different Dielectric Resonators of the Microwave Filters

Vìsnik Nacìonalʹnogo Tehnìčnogo Unìversitetu Ukraïni Kììvsʹkij Polìtehnìčnij Ìnstitut: Serìâ Radìotehnìka, Radìoaparatobuduvannâ, 2017
The theory of scattering of electromagnetic waves by systems of various coupled the different shape and variant permittivity dielectric resonators is expanded. A new definition of the coupling coefficients of different dielectric resonators is given. The
A. A. Trubin
doaj   +1 more source

Coupling coefficients of the disk dielectric microresonators with whispering gallery modes

Vìsnik Nacìonalʹnogo Tehnìčnogo Unìversitetu Ukraïni Kììvsʹkij Polìtehnìčnij Ìnstitut: Serìâ Radìotehnìka, Radìoaparatobuduvannâ, 2015
Calculation results of the Disk dielectric microresonators coupling coefficients are presented. Microresonator coupling coefficients as a functions of main parameters is considered.
A. A. Trubin
doaj   +1 more source

A Fast Prediction Method for the Electromagnetic Response of the LTE-R System Based on a PSO-BP Cascade Neural Network Model

Applied Sciences, 2023
In this paper, a fast prediction model of the electromagnetic response of the LTE-R (Long Term Evolution for Railway) communication system based on a cascade neural network is developed to quickly analyze the impact of pantograph arcing on the LTE-R ...
Xiaodong He, Yinghong Wen, Dan Zhang
doaj   +1 more source

Interleaved DC/DC Boost Converter with Coupled Inductors

Advances in Electrical and Electronic Engineering, 2018
This paper deals with the analysis of boost interleaved DC-DC converter with a coupled inductor on the same magnetic core. The advantage of the coupled inductor over the non-coupled case is investigated.
Slavomir Kascak, Michal Prazenica, Miriam Jarabicova, Marek Paskala   +3 more
doaj   +1 more source

Coupling coefficient and lateral vibration of slender suspension footbridges

, 2008
Slender footbridges are known to suffer excessive lateral vibration which is not well understood at present. A suspension footbridge model with reverse profiled cables is proposed to investigate the vibration characteristics of slender shallow suspension
Huang, Ming-Hui, Thambiratnam, David P., Perera, Nimal J.   +2 more
core   +1 more source

Analysis of Coil Systems with Non-Symmetrical Fe Backings for Electrical Vehicle Wireless Charging Applications

Applied Sciences
Wireless power transfer is a widely applied technology whose market and application areas are growing rapidly. It is considered to be a promising supplement to the conductive charging of electrical vehicles (EVs).
Robertas Lukočius, Žilvinas Nakutis, Andrius Vilkauskas, Ramūnas Deltuva, Lukas Romikaitis   +4 more
doaj   +1 more source

FSR Decrement and Coupling Coefficient Increment in Add-Drop Filters [PDF]

Journal of Electrical and Computer Engineering Innovations, 2015
In this paper, effects of the structural parameters on the optical characteristics of an add-drop filter, consisting of two straight waveguides and a micro-ring resonator (MRR), have been investigated.
E. Rafiee, F. Emami
doaj   +1 more source

Study of Coupling Length of Concentrically Curved Waveguides

IEEE Photonics Journal, 2012
In this paper, we propose a method based on Helmholtz equation to determine the coupling length of the light propagating in concentrically curved waveguides by the conformal transformation.
Dong-Po Cai, Chii-Chang Chen, Chien-Chieh Lee, Tsong-Dong Wang   +3 more
doaj   +1 more source

Investigation on Optimizing Aluminum Shield for Improved Performance in Inductively Coupled Wireless Power Transfer System

IEEE Access
Inductively coupled wireless power transfer (ICWPT) in wireless charging for electric vehicles (EVs) demonstrates significant advantages in solidity and maintenance requirements.
Viswanath Chakibanda, Venkata Lakshmi Narayana Komanapalli   +1 more
doaj   +1 more source