The Method of Maximum Power Transmission Efficiency for the Design of Antenna Arrays
IEEE Open Journal of Antennas and Propagation, 2021 Various methods have been proposed to control the electromagnetic fields in the near-or far-field region, one of which is to use antenna arrays. This paper reviews a technique, called the method of maximum power transmission efficiency (MMPTE), for the ...
Wen Geyi
doaj +1 more source
Gong-kuang zidonghua, 2015 A circuit model of magnetically-coupled resonant wireless power transmission system was established, and relationships between transmission power, transmission efficiency and input frequency, transmission distance and load were analyzed.
ZHANG Guoyuan, WANG Xi, ZHAO Duan
doaj +1 more source
Applied constant gain amplification in circulating loop experiments [PDF]
, 2009 The reconfiguration of channel or wavelength routes in optically transparent mesh networks can lead to deviations in channel power that may impact transmission performance.
Barry, Liam P. +3 more
core +1 more source
Analysis of Magnetically Coupled Wireless Power Transmission for Maximum Efficiency [PDF]
Journal of electromagnetic engineering and science, 2011 We have proposed and analyzed an equivalent circuit for a magnetically coupled wireless power transmission (WPT) system between two loop resonators by considering its coupling coefficient and radiation-related parameters. A complete formulation is provided for all the necessary circuit parameters.
Chung-Ju Kim, Bom-Son Lee
openaire +1 more source
Stabilizing control for power converters connected to transmission lines [PDF]
, 2007 This paper proposes a switching control strategy for the set-point stabilization of a power converter connected via a transmission line to a resistive load.
Buisson, Jean, +2 more
core +3 more sources
Impact of Conductor Temperature Time–Space Variation on the Power System Operational State
Energies, 2018 The conductor temperature of an overhead transmission line varies with time and space, which has an important impact on the system operation. In this paper, the conductor temperature is solved iteratively by the CIGRE heat balance equation.
Yanling Wang +5 more
doaj +1 more source
On Electrical Equivalence of Aperture-Body and Transmission-Cavity Resonance Phenomena in Subwavelength Conducting Aperture Systems from an Equivalent Circuit Point of View [PDF]
, 2009 For a narrow slit structure backed by a conducting strip which is taken as a representative example of an aperture-body resonance (ABR) problem, the transmission resonance condition (i.e., condition for maximum power transmission) and the transmission ...
Cho, Young Ki +2 more
core +1 more source
Optimum Design of Wireless Power Transmission Systems in Unknown Electromagnetic Environments
IEEE Access, 2017 This paper presents a design method for wireless power transmission systems in unknown electromagnetic environments. In a wireless power transmission system, several antenna elements are used for power transmitting and one antenna is utilized for power ...
Hucheng Sun, Wen Geyi
doaj +1 more source
A case for adaptive sub-carrier level power allocation in OFDMA networks [PDF]
, 2012 In today's OFDMA networks, the transmission power is typically fixed and the same for all the sub-carriers that compose a channel. The sub-carriers though, experience different degrees of fading and thus, the received power is different for different sub-
Addepalli, S +5 more
core +2 more sources
Parameters Optimization for Magnetic Resonance Coupling Wireless Power Transmission
The Scientific World Journal, 2014 Taking maximum power transmission and power stable transmission as research objectives, optimal design for the wireless power transmission system based on magnetic resonance coupling is carried out in this paper.
Changsheng Li, He Zhang, Xiaohua Jiang
doaj +1 more source